./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product60.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_product60.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 63a498e40ee7fb7960293994084186ed238562f61fafb5e109bd8b394667fc1f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 02:05:56,546 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 02:05:56,610 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 02:05:56,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 02:05:56,615 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 02:05:56,642 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 02:05:56,643 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 02:05:56,644 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 02:05:56,644 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 02:05:56,645 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 02:05:56,646 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 02:05:56,646 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 02:05:56,646 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 02:05:56,647 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 02:05:56,647 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 02:05:56,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 02:05:56,648 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 02:05:56,649 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 02:05:56,649 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 02:05:56,649 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 02:05:56,649 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 02:05:56,652 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 02:05:56,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 02:05:56,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 02:05:56,653 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 02:05:56,653 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 02:05:56,653 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 02:05:56,653 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 02:05:56,653 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 02:05:56,653 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 02:05:56,654 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 02:05:56,654 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 02:05:56,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:05:56,654 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 02:05:56,654 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 02:05:56,654 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 02:05:56,654 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 02:05:56,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 02:05:56,655 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 02:05:56,655 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 02:05:56,655 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 02:05:56,656 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 02:05:56,656 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63a498e40ee7fb7960293994084186ed238562f61fafb5e109bd8b394667fc1f [2024-11-22 02:05:56,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 02:05:56,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 02:05:56,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 02:05:56,879 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 02:05:56,879 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 02:05:56,880 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2024-11-22 02:05:58,129 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 02:05:58,351 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 02:05:58,351 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2024-11-22 02:05:58,365 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f36fee846/964980a62aaf4aa39a3022a4c12c70fe/FLAGc9c590cf9 [2024-11-22 02:05:58,692 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f36fee846/964980a62aaf4aa39a3022a4c12c70fe [2024-11-22 02:05:58,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 02:05:58,697 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 02:05:58,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 02:05:58,698 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 02:05:58,707 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 02:05:58,708 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:05:58" (1/1) ... [2024-11-22 02:05:58,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26202489 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:58, skipping insertion in model container [2024-11-22 02:05:58,710 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:05:58" (1/1) ... [2024-11-22 02:05:58,751 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 02:05:58,984 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_product60.cil.c[13463,13476] [2024-11-22 02:05:59,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:05:59,050 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 02:05:59,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-22 02:05:59,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [87] [2024-11-22 02:05:59,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [188] [2024-11-22 02:05:59,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [554] [2024-11-22 02:05:59,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [583] [2024-11-22 02:05:59,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [592] [2024-11-22 02:05:59,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [839] [2024-11-22 02:05:59,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [908] [2024-11-22 02:05:59,100 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_product60.cil.c[13463,13476] [2024-11-22 02:05:59,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 02:05:59,151 INFO L204 MainTranslator]: Completed translation [2024-11-22 02:05:59,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:59 WrapperNode [2024-11-22 02:05:59,152 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 02:05:59,153 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 02:05:59,153 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 02:05:59,153 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 02:05:59,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:59" (1/1) ... [2024-11-22 02:05:59,170 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:59" (1/1) ... [2024-11-22 02:05:59,193 INFO L138 Inliner]: procedures = 58, calls = 103, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 233 [2024-11-22 02:05:59,194 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 02:05:59,194 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 02:05:59,194 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 02:05:59,194 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 02:05:59,203 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:59" (1/1) ... [2024-11-22 02:05:59,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:59" (1/1) ... [2024-11-22 02:05:59,205 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:59" (1/1) ... [2024-11-22 02:05:59,218 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 02:05:59,219 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:59" (1/1) ... [2024-11-22 02:05:59,219 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:59" (1/1) ... [2024-11-22 02:05:59,222 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:59" (1/1) ... [2024-11-22 02:05:59,227 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:59" (1/1) ... [2024-11-22 02:05:59,228 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:59" (1/1) ... [2024-11-22 02:05:59,229 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:59" (1/1) ... [2024-11-22 02:05:59,232 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 02:05:59,233 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 02:05:59,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 02:05:59,234 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 02:05:59,234 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:59" (1/1) ... [2024-11-22 02:05:59,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 02:05:59,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:05:59,264 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 02:05:59,269 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 02:05:59,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 02:05:59,304 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-22 02:05:59,304 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-22 02:05:59,304 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-22 02:05:59,304 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-22 02:05:59,304 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-22 02:05:59,304 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-22 02:05:59,304 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2024-11-22 02:05:59,304 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2024-11-22 02:05:59,304 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-22 02:05:59,304 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-22 02:05:59,304 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-22 02:05:59,304 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-22 02:05:59,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 02:05:59,305 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-22 02:05:59,305 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-22 02:05:59,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 02:05:59,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 02:05:59,361 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 02:05:59,363 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 02:05:59,582 INFO L? ?]: Removed 52 outVars from TransFormulas that were not future-live. [2024-11-22 02:05:59,582 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 02:05:59,594 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 02:05:59,594 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-22 02:05:59,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:05:59 BoogieIcfgContainer [2024-11-22 02:05:59,594 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 02:05:59,596 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 02:05:59,596 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 02:05:59,598 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 02:05:59,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:05:58" (1/3) ... [2024-11-22 02:05:59,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24161e9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:05:59, skipping insertion in model container [2024-11-22 02:05:59,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:05:59" (2/3) ... [2024-11-22 02:05:59,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24161e9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:05:59, skipping insertion in model container [2024-11-22 02:05:59,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:05:59" (3/3) ... [2024-11-22 02:05:59,601 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product60.cil.c [2024-11-22 02:05:59,614 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 02:05:59,614 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 02:05:59,657 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 02:05:59,662 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;@5d004b5e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 02:05:59,662 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 02:05:59,666 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 82 states have internal predecessors, (101), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-22 02:05:59,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-22 02:05:59,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:05:59,672 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 02:05:59,673 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:05:59,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:05:59,677 INFO L85 PathProgramCache]: Analyzing trace with hash 194395982, now seen corresponding path program 1 times [2024-11-22 02:05:59,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:05:59,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501330678] [2024-11-22 02:05:59,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:05:59,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:05:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:05:59,883 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 02:05:59,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:05:59,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501330678] [2024-11-22 02:05:59,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501330678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:05:59,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:05:59,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 02:05:59,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609860488] [2024-11-22 02:05:59,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:05:59,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 02:05:59,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:05:59,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 02:05:59,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 02:05:59,913 INFO L87 Difference]: Start difference. First operand has 94 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 82 states have internal predecessors, (101), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) 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 02:05:59,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:05:59,946 INFO L93 Difference]: Finished difference Result 180 states and 245 transitions. [2024-11-22 02:05:59,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 02:05:59,947 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 02:05:59,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:05:59,955 INFO L225 Difference]: With dead ends: 180 [2024-11-22 02:05:59,955 INFO L226 Difference]: Without dead ends: 85 [2024-11-22 02:05:59,958 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 02:05:59,963 INFO L432 NwaCegarLoop]: 119 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, 119 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 02:05:59,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:05:59,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-22 02:06:00,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-11-22 02:06:00,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 66 states have (on average 1.3181818181818181) internal successors, (87), 74 states have internal predecessors, (87), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-22 02:06:00,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 110 transitions. [2024-11-22 02:06:00,009 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 110 transitions. Word has length 19 [2024-11-22 02:06:00,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:06:00,010 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 110 transitions. [2024-11-22 02:06:00,010 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 02:06:00,011 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 110 transitions. [2024-11-22 02:06:00,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-22 02:06:00,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:06:00,013 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 02:06:00,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 02:06:00,014 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:06:00,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:06:00,015 INFO L85 PathProgramCache]: Analyzing trace with hash -891560987, now seen corresponding path program 1 times [2024-11-22 02:06:00,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:06:00,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926882097] [2024-11-22 02:06:00,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:06:00,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:06:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:06:00,117 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 02:06:00,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:06:00,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926882097] [2024-11-22 02:06:00,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926882097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:06:00,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:06:00,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 02:06:00,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373580717] [2024-11-22 02:06:00,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:06:00,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:06:00,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:06:00,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:06:00,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:06:00,121 INFO L87 Difference]: Start difference. First operand 85 states and 110 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 02:06:00,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:06:00,141 INFO L93 Difference]: Finished difference Result 131 states and 169 transitions. [2024-11-22 02:06:00,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:06:00,142 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 02:06:00,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:06:00,143 INFO L225 Difference]: With dead ends: 131 [2024-11-22 02:06:00,143 INFO L226 Difference]: Without dead ends: 76 [2024-11-22 02:06:00,143 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 02:06:00,144 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 17 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 172 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 02:06:00,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 172 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:06:00,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-22 02:06:00,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-22 02:06:00,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 68 states have internal predecessors, (80), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-22 02:06:00,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 98 transitions. [2024-11-22 02:06:00,153 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 98 transitions. Word has length 20 [2024-11-22 02:06:00,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:06:00,154 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 98 transitions. [2024-11-22 02:06:00,154 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 02:06:00,154 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions. [2024-11-22 02:06:00,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-22 02:06:00,155 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:06:00,155 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:06:00,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 02:06:00,155 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:06:00,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:06:00,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1763827496, now seen corresponding path program 1 times [2024-11-22 02:06:00,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:06:00,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447137595] [2024-11-22 02:06:00,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:06:00,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:06:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:06:00,287 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 02:06:00,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:06:00,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447137595] [2024-11-22 02:06:00,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447137595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:06:00,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:06:00,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:06:00,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262522993] [2024-11-22 02:06:00,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:06:00,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:06:00,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:06:00,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:06:00,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:06:00,289 INFO L87 Difference]: Start difference. First operand 76 states and 98 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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 02:06:00,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:06:00,448 INFO L93 Difference]: Finished difference Result 250 states and 330 transitions. [2024-11-22 02:06:00,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 02:06:00,449 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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 25 [2024-11-22 02:06:00,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:06:00,450 INFO L225 Difference]: With dead ends: 250 [2024-11-22 02:06:00,450 INFO L226 Difference]: Without dead ends: 181 [2024-11-22 02:06:00,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-22 02:06:00,451 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 165 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:06:00,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 430 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:06:00,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-22 02:06:00,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 175. [2024-11-22 02:06:00,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 136 states have (on average 1.3676470588235294) internal successors, (186), 154 states have internal predecessors, (186), 22 states have call successors, (22), 16 states have call predecessors, (22), 16 states have return successors, (23), 14 states have call predecessors, (23), 22 states have call successors, (23) [2024-11-22 02:06:00,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 231 transitions. [2024-11-22 02:06:00,469 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 231 transitions. Word has length 25 [2024-11-22 02:06:00,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:06:00,469 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 231 transitions. [2024-11-22 02:06:00,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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 02:06:00,469 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 231 transitions. [2024-11-22 02:06:00,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-22 02:06:00,470 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:06:00,470 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] [2024-11-22 02:06:00,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 02:06:00,471 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:06:00,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:06:00,471 INFO L85 PathProgramCache]: Analyzing trace with hash 687850495, now seen corresponding path program 1 times [2024-11-22 02:06:00,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:06:00,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468154259] [2024-11-22 02:06:00,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:06:00,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:06:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:06:00,584 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 02:06:00,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:06:00,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468154259] [2024-11-22 02:06:00,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468154259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:06:00,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:06:00,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 02:06:00,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708943289] [2024-11-22 02:06:00,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:06:00,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:06:00,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:06:00,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:06:00,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:06:00,587 INFO L87 Difference]: Start difference. First operand 175 states and 231 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 02:06:00,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:06:00,645 INFO L93 Difference]: Finished difference Result 494 states and 678 transitions. [2024-11-22 02:06:00,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:06:00,646 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 28 [2024-11-22 02:06:00,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:06:00,649 INFO L225 Difference]: With dead ends: 494 [2024-11-22 02:06:00,650 INFO L226 Difference]: Without dead ends: 326 [2024-11-22 02:06:00,651 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 02:06:00,652 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 63 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:06:00,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 354 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:06:00,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-11-22 02:06:00,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2024-11-22 02:06:00,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 252 states have (on average 1.3412698412698412) internal successors, (338), 284 states have internal predecessors, (338), 44 states have call successors, (44), 32 states have call predecessors, (44), 29 states have return successors, (50), 25 states have call predecessors, (50), 44 states have call successors, (50) [2024-11-22 02:06:00,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 432 transitions. [2024-11-22 02:06:00,725 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 432 transitions. Word has length 28 [2024-11-22 02:06:00,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:06:00,726 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 432 transitions. [2024-11-22 02:06:00,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 02:06:00,730 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 432 transitions. [2024-11-22 02:06:00,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-22 02:06:00,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:06:00,733 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] [2024-11-22 02:06:00,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 02:06:00,733 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:06:00,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:06:00,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1450440452, now seen corresponding path program 1 times [2024-11-22 02:06:00,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:06:00,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372725934] [2024-11-22 02:06:00,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:06:00,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:06:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:06:00,786 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 02:06:00,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:06:00,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372725934] [2024-11-22 02:06:00,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372725934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:06:00,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:06:00,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 02:06:00,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527291151] [2024-11-22 02:06:00,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:06:00,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 02:06:00,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:06:00,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 02:06:00,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 02:06:00,788 INFO L87 Difference]: Start difference. First operand 326 states and 432 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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 02:06:00,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:06:00,832 INFO L93 Difference]: Finished difference Result 754 states and 1025 transitions. [2024-11-22 02:06:00,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 02:06:00,833 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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 30 [2024-11-22 02:06:00,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:06:00,835 INFO L225 Difference]: With dead ends: 754 [2024-11-22 02:06:00,835 INFO L226 Difference]: Without dead ends: 435 [2024-11-22 02:06:00,837 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 02:06:00,837 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 57 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:06:00,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 153 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:06:00,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-11-22 02:06:00,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 424. [2024-11-22 02:06:00,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 334 states have (on average 1.2934131736526946) internal successors, (432), 361 states have internal predecessors, (432), 47 states have call successors, (47), 45 states have call predecessors, (47), 42 states have return successors, (69), 41 states have call predecessors, (69), 47 states have call successors, (69) [2024-11-22 02:06:00,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 548 transitions. [2024-11-22 02:06:00,873 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 548 transitions. Word has length 30 [2024-11-22 02:06:00,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:06:00,874 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 548 transitions. [2024-11-22 02:06:00,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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 02:06:00,874 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 548 transitions. [2024-11-22 02:06:00,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-22 02:06:00,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:06:00,875 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] [2024-11-22 02:06:00,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 02:06:00,875 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:06:00,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:06:00,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1164230885, now seen corresponding path program 1 times [2024-11-22 02:06:00,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:06:00,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863205846] [2024-11-22 02:06:00,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:06:00,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:06:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:06:00,927 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 02:06:00,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:06:00,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863205846] [2024-11-22 02:06:00,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863205846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:06:00,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:06:00,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:06:00,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909104749] [2024-11-22 02:06:00,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:06:00,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:06:00,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:06:00,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:06:00,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:06:00,930 INFO L87 Difference]: Start difference. First operand 424 states and 548 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 02:06:00,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:06:00,978 INFO L93 Difference]: Finished difference Result 426 states and 549 transitions. [2024-11-22 02:06:00,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:06:00,978 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 32 [2024-11-22 02:06:00,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:06:00,981 INFO L225 Difference]: With dead ends: 426 [2024-11-22 02:06:00,981 INFO L226 Difference]: Without dead ends: 424 [2024-11-22 02:06:00,981 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 02:06:00,982 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 50 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:06:00,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 332 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:06:00,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-22 02:06:01,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 424. [2024-11-22 02:06:01,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 334 states have (on average 1.284431137724551) internal successors, (429), 361 states have internal predecessors, (429), 47 states have call successors, (47), 45 states have call predecessors, (47), 42 states have return successors, (69), 41 states have call predecessors, (69), 47 states have call successors, (69) [2024-11-22 02:06:01,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 545 transitions. [2024-11-22 02:06:01,005 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 545 transitions. Word has length 32 [2024-11-22 02:06:01,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:06:01,005 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 545 transitions. [2024-11-22 02:06:01,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 02:06:01,006 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 545 transitions. [2024-11-22 02:06:01,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-22 02:06:01,007 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:06:01,007 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:06:01,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 02:06:01,007 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:06:01,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:06:01,007 INFO L85 PathProgramCache]: Analyzing trace with hash 108395810, now seen corresponding path program 1 times [2024-11-22 02:06:01,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:06:01,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669284926] [2024-11-22 02:06:01,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:06:01,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:06:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:06:01,066 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 02:06:01,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:06:01,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669284926] [2024-11-22 02:06:01,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669284926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:06:01,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:06:01,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:06:01,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153949990] [2024-11-22 02:06:01,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:06:01,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:06:01,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:06:01,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:06:01,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:06:01,069 INFO L87 Difference]: Start difference. First operand 424 states and 545 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 02:06:01,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:06:01,100 INFO L93 Difference]: Finished difference Result 853 states and 1135 transitions. [2024-11-22 02:06:01,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:06:01,101 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 47 [2024-11-22 02:06:01,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:06:01,103 INFO L225 Difference]: With dead ends: 853 [2024-11-22 02:06:01,103 INFO L226 Difference]: Without dead ends: 436 [2024-11-22 02:06:01,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:06:01,106 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 0 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:06:01,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 374 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:06:01,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-22 02:06:01,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 436. [2024-11-22 02:06:01,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 346 states have (on average 1.2745664739884393) internal successors, (441), 373 states have internal predecessors, (441), 47 states have call successors, (47), 45 states have call predecessors, (47), 42 states have return successors, (69), 41 states have call predecessors, (69), 47 states have call successors, (69) [2024-11-22 02:06:01,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 557 transitions. [2024-11-22 02:06:01,135 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 557 transitions. Word has length 47 [2024-11-22 02:06:01,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:06:01,136 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 557 transitions. [2024-11-22 02:06:01,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 02:06:01,137 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 557 transitions. [2024-11-22 02:06:01,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-22 02:06:01,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:06:01,138 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:06:01,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 02:06:01,139 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:06:01,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:06:01,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1885748896, now seen corresponding path program 1 times [2024-11-22 02:06:01,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:06:01,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335354430] [2024-11-22 02:06:01,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:06:01,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:06:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:06:01,259 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 02:06:01,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:06:01,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335354430] [2024-11-22 02:06:01,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335354430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:06:01,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:06:01,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:06:01,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188795527] [2024-11-22 02:06:01,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:06:01,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:06:01,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:06:01,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:06:01,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:06:01,263 INFO L87 Difference]: Start difference. First operand 436 states and 557 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 02:06:01,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:06:01,307 INFO L93 Difference]: Finished difference Result 791 states and 1035 transitions. [2024-11-22 02:06:01,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 02:06:01,308 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 47 [2024-11-22 02:06:01,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:06:01,310 INFO L225 Difference]: With dead ends: 791 [2024-11-22 02:06:01,310 INFO L226 Difference]: Without dead ends: 362 [2024-11-22 02:06:01,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:06:01,311 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 0 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:06:01,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 462 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:06:01,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-22 02:06:01,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2024-11-22 02:06:01,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 286 states have (on average 1.2657342657342658) internal successors, (362), 308 states have internal predecessors, (362), 40 states have call successors, (40), 38 states have call predecessors, (40), 35 states have return successors, (51), 34 states have call predecessors, (51), 40 states have call successors, (51) [2024-11-22 02:06:01,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 453 transitions. [2024-11-22 02:06:01,332 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 453 transitions. Word has length 47 [2024-11-22 02:06:01,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:06:01,334 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 453 transitions. [2024-11-22 02:06:01,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 02:06:01,334 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 453 transitions. [2024-11-22 02:06:01,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-22 02:06:01,335 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:06:01,336 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:06:01,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 02:06:01,336 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:06:01,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:06:01,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1591569950, now seen corresponding path program 1 times [2024-11-22 02:06:01,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:06:01,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842178473] [2024-11-22 02:06:01,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:06:01,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:06:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:06:01,438 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 02:06:01,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:06:01,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842178473] [2024-11-22 02:06:01,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842178473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:06:01,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:06:01,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:06:01,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927945740] [2024-11-22 02:06:01,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:06:01,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:06:01,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:06:01,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:06:01,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:06:01,443 INFO L87 Difference]: Start difference. First operand 362 states and 453 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 02:06:01,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:06:01,503 INFO L93 Difference]: Finished difference Result 788 states and 1050 transitions. [2024-11-22 02:06:01,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:06:01,503 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 47 [2024-11-22 02:06:01,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:06:01,506 INFO L225 Difference]: With dead ends: 788 [2024-11-22 02:06:01,506 INFO L226 Difference]: Without dead ends: 541 [2024-11-22 02:06:01,507 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 02:06:01,507 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 52 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:06:01,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 518 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:06:01,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-11-22 02:06:01,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 536. [2024-11-22 02:06:01,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 418 states have (on average 1.2511961722488039) internal successors, (523), 449 states have internal predecessors, (523), 60 states have call successors, (60), 58 states have call predecessors, (60), 57 states have return successors, (101), 56 states have call predecessors, (101), 60 states have call successors, (101) [2024-11-22 02:06:01,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 684 transitions. [2024-11-22 02:06:01,537 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 684 transitions. Word has length 47 [2024-11-22 02:06:01,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:06:01,537 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 684 transitions. [2024-11-22 02:06:01,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 02:06:01,537 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 684 transitions. [2024-11-22 02:06:01,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-22 02:06:01,540 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:06:01,540 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:06:01,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 02:06:01,540 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:06:01,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:06:01,541 INFO L85 PathProgramCache]: Analyzing trace with hash -351052253, now seen corresponding path program 1 times [2024-11-22 02:06:01,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:06:01,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851082559] [2024-11-22 02:06:01,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:06:01,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:06:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:06:01,656 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 02:06:01,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:06:01,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851082559] [2024-11-22 02:06:01,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851082559] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 02:06:01,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541894507] [2024-11-22 02:06:01,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:06:01,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 02:06:01,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 02:06:01,660 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 02:06:01,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 02:06:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:06:01,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 02:06:01,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 02:06:01,857 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 02:06:01,857 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 02:06:01,952 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 02:06:01,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541894507] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 02:06:01,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 02:06:01,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2024-11-22 02:06:01,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381355621] [2024-11-22 02:06:01,954 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 02:06:01,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:06:01,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:06:01,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:06:01,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:06:01,955 INFO L87 Difference]: Start difference. First operand 536 states and 684 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-22 02:06:02,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:06:02,063 INFO L93 Difference]: Finished difference Result 1267 states and 1709 transitions. [2024-11-22 02:06:02,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 02:06:02,064 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 82 [2024-11-22 02:06:02,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:06:02,068 INFO L225 Difference]: With dead ends: 1267 [2024-11-22 02:06:02,068 INFO L226 Difference]: Without dead ends: 846 [2024-11-22 02:06:02,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 160 SyntacticMatches, 5 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-22 02:06:02,070 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 97 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:06:02,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 545 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:06:02,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2024-11-22 02:06:02,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 749. [2024-11-22 02:06:02,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 749 states, 579 states have (on average 1.2590673575129534) internal successors, (729), 624 states have internal predecessors, (729), 87 states have call successors, (87), 83 states have call predecessors, (87), 82 states have return successors, (158), 75 states have call predecessors, (158), 87 states have call successors, (158) [2024-11-22 02:06:02,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 974 transitions. [2024-11-22 02:06:02,100 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 974 transitions. Word has length 82 [2024-11-22 02:06:02,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:06:02,100 INFO L471 AbstractCegarLoop]: Abstraction has 749 states and 974 transitions. [2024-11-22 02:06:02,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-22 02:06:02,101 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 974 transitions. [2024-11-22 02:06:02,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-22 02:06:02,103 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:06:02,103 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 02:06:02,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-22 02:06:02,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-22 02:06:02,304 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:06:02,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:06:02,305 INFO L85 PathProgramCache]: Analyzing trace with hash 349407230, now seen corresponding path program 2 times [2024-11-22 02:06:02,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:06:02,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565870763] [2024-11-22 02:06:02,305 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 02:06:02,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:06:02,330 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 02:06:02,330 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 02:06:02,453 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 02:06:02,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:06:02,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565870763] [2024-11-22 02:06:02,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565870763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:06:02,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:06:02,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 02:06:02,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037322684] [2024-11-22 02:06:02,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:06:02,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 02:06:02,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:06:02,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 02:06:02,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-22 02:06:02,455 INFO L87 Difference]: Start difference. First operand 749 states and 974 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-22 02:06:02,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:06:02,598 INFO L93 Difference]: Finished difference Result 2006 states and 2730 transitions. [2024-11-22 02:06:02,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 02:06:02,599 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 117 [2024-11-22 02:06:02,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:06:02,607 INFO L225 Difference]: With dead ends: 2006 [2024-11-22 02:06:02,608 INFO L226 Difference]: Without dead ends: 1370 [2024-11-22 02:06:02,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-22 02:06:02,611 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 130 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 02:06:02,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 659 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 02:06:02,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2024-11-22 02:06:02,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1345. [2024-11-22 02:06:02,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1345 states, 1044 states have (on average 1.260536398467433) internal successors, (1316), 1116 states have internal predecessors, (1316), 158 states have call successors, (158), 148 states have call predecessors, (158), 142 states have return successors, (262), 132 states have call predecessors, (262), 158 states have call successors, (262) [2024-11-22 02:06:02,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 1345 states and 1736 transitions. [2024-11-22 02:06:02,669 INFO L78 Accepts]: Start accepts. Automaton has 1345 states and 1736 transitions. Word has length 117 [2024-11-22 02:06:02,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:06:02,669 INFO L471 AbstractCegarLoop]: Abstraction has 1345 states and 1736 transitions. [2024-11-22 02:06:02,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-22 02:06:02,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 1736 transitions. [2024-11-22 02:06:02,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-22 02:06:02,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 02:06:02,674 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:06:02,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 02:06:02,674 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 02:06:02,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 02:06:02,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1225426236, now seen corresponding path program 1 times [2024-11-22 02:06:02,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 02:06:02,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765992218] [2024-11-22 02:06:02,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 02:06:02,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 02:06:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 02:06:02,794 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-22 02:06:02,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 02:06:02,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765992218] [2024-11-22 02:06:02,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765992218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 02:06:02,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 02:06:02,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 02:06:02,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018492395] [2024-11-22 02:06:02,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 02:06:02,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 02:06:02,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 02:06:02,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 02:06:02,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:06:02,797 INFO L87 Difference]: Start difference. First operand 1345 states and 1736 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-22 02:06:02,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 02:06:02,869 INFO L93 Difference]: Finished difference Result 1869 states and 2394 transitions. [2024-11-22 02:06:02,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 02:06:02,870 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 117 [2024-11-22 02:06:02,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 02:06:02,872 INFO L225 Difference]: With dead ends: 1869 [2024-11-22 02:06:02,872 INFO L226 Difference]: Without dead ends: 0 [2024-11-22 02:06:02,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 02:06:02,878 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 02:06:02,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 355 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 02:06:02,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-22 02:06:02,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-22 02:06:02,879 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 02:06:02,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-22 02:06:02,881 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 117 [2024-11-22 02:06:02,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 02:06:02,881 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-22 02:06:02,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-22 02:06:02,881 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-22 02:06:02,881 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-22 02:06:02,884 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-22 02:06:02,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 02:06:02,887 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 02:06:02,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-22 02:06:04,630 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 02:06:04,662 WARN L156 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (let ((.cse0 (= |old(~pumpRunning~0)| 0))) (and (or (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or (<= 2 ~waterLevel~0) (< |old(~waterLevel~0)| 2)) (or (not .cse0) (= ~pumpRunning~0 0)) (or (and .cse0 (<= 1 |old(~waterLevel~0)|)) (and (<= 2 |old(~waterLevel~0)|) (not (= 0 ~systemActive~0)))))) Eliminated clause: (exists ((|old(~pumpRunning~0)| Int) (|old(~waterLevel~0)| Int)) (let ((.cse0 (= |old(~pumpRunning~0)| 0))) (and (or (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or (< |old(~waterLevel~0)| 2) (< 1 ~waterLevel~0)) (or (not .cse0) (= ~pumpRunning~0 0)) (or (and .cse0 (<= 1 |old(~waterLevel~0)|)) (and (<= 2 |old(~waterLevel~0)|) (not (= 0 ~systemActive~0))))))) [2024-11-22 02:06:04,669 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-22 02:06:04,675 WARN L156 FloydHoareUtils]: Requires clause for processEnvironment__wrappee__highWaterSensor contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (not (= 0 ~systemActive~0)))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 (= ~waterLevel~0 1) .cse1)))) Eliminated clause: (and (= ~pumpRunning~0 0) (let ((.cse0 (not (= 0 ~systemActive~0)))) (or (and (= ~waterLevel~0 1) .cse0) (and (<= 2 ~waterLevel~0) .cse0)))) [2024-11-22 02:06:04,683 WARN L156 FloydHoareUtils]: Requires clause for waterRise contained old-variable. Original clause: (and (or (and (<= 2 |old(~waterLevel~0)|) (not (= 0 ~systemActive~0))) (and (= ~pumpRunning~0 0) (<= 1 |old(~waterLevel~0)|))) (or (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or (<= 2 ~waterLevel~0) (< |old(~waterLevel~0)| 2))) Eliminated clause: (exists ((|old(~waterLevel~0)| Int)) (and (or (and (<= 2 |old(~waterLevel~0)|) (not (= 0 ~systemActive~0))) (and (= ~pumpRunning~0 0) (<= 1 |old(~waterLevel~0)|))) (or (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or (< |old(~waterLevel~0)| 2) (< 1 ~waterLevel~0)))) [2024-11-22 02:06:04,689 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-22 02:06:04,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:06:04 BoogieIcfgContainer [2024-11-22 02:06:04,689 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 02:06:04,690 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 02:06:04,693 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 02:06:04,693 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 02:06:04,694 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:05:59" (3/4) ... [2024-11-22 02:06:04,696 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-22 02:06:04,699 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-22 02:06:04,699 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-22 02:06:04,699 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-22 02:06:04,699 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-22 02:06:04,699 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-22 02:06:04,699 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2024-11-22 02:06:04,699 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-22 02:06:04,705 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-11-22 02:06:04,707 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-22 02:06:04,707 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-22 02:06:04,707 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 02:06:04,707 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-22 02:06:04,797 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-22 02:06:04,798 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-22 02:06:04,798 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 02:06:04,798 INFO L158 Benchmark]: Toolchain (without parser) took 6102.04ms. Allocated memory was 165.7MB in the beginning and 239.1MB in the end (delta: 73.4MB). Free memory was 135.5MB in the beginning and 117.8MB in the end (delta: 17.7MB). Peak memory consumption was 92.1MB. Max. memory is 16.1GB. [2024-11-22 02:06:04,799 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory was 85.7MB in the beginning and 85.5MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 02:06:04,799 INFO L158 Benchmark]: CACSL2BoogieTranslator took 453.58ms. Allocated memory is still 165.7MB. Free memory was 134.8MB in the beginning and 113.1MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-22 02:06:04,799 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.94ms. Allocated memory is still 165.7MB. Free memory was 113.1MB in the beginning and 111.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 02:06:04,799 INFO L158 Benchmark]: Boogie Preprocessor took 38.45ms. Allocated memory is still 165.7MB. Free memory was 111.0MB in the beginning and 108.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 02:06:04,799 INFO L158 Benchmark]: RCFGBuilder took 361.08ms. Allocated memory is still 165.7MB. Free memory was 108.3MB in the beginning and 89.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-22 02:06:04,800 INFO L158 Benchmark]: TraceAbstraction took 5093.83ms. Allocated memory was 165.7MB in the beginning and 239.1MB in the end (delta: 73.4MB). Free memory was 88.7MB in the beginning and 125.2MB in the end (delta: -36.5MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. [2024-11-22 02:06:04,800 INFO L158 Benchmark]: Witness Printer took 108.09ms. Allocated memory is still 239.1MB. Free memory was 125.2MB in the beginning and 117.8MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-22 02:06:04,801 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory was 85.7MB in the beginning and 85.5MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 453.58ms. Allocated memory is still 165.7MB. Free memory was 134.8MB in the beginning and 113.1MB in the end (delta: 21.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.94ms. Allocated memory is still 165.7MB. Free memory was 113.1MB in the beginning and 111.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.45ms. Allocated memory is still 165.7MB. Free memory was 111.0MB in the beginning and 108.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 361.08ms. Allocated memory is still 165.7MB. Free memory was 108.3MB in the beginning and 89.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5093.83ms. Allocated memory was 165.7MB in the beginning and 239.1MB in the end (delta: 73.4MB). Free memory was 88.7MB in the beginning and 125.2MB in the end (delta: -36.5MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. * Witness Printer took 108.09ms. Allocated memory is still 239.1MB. Free memory was 125.2MB in the beginning and 117.8MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [87] - GenericResultAtLocation [Line: 188]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [188] - GenericResultAtLocation [Line: 554]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [554] - GenericResultAtLocation [Line: 583]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [583] - GenericResultAtLocation [Line: 592]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [592] - GenericResultAtLocation [Line: 839]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [839] - GenericResultAtLocation [Line: 908]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [908] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * 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: 588]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 635 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 631 mSDsluCounter, 4473 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3153 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 443 IncrementalHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 1320 mSDtfsCounter, 443 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 236 GetRequests, 184 SyntacticMatches, 5 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1345occurred in iteration=11, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 144 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 693 NumberOfCodeBlocks, 693 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 761 ConstructedInterpolants, 0 QuantifiedInterpolants, 1344 SizeOfPredicates, 2 NumberOfNonLiveVariables, 292 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 199/217 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: 850]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (splverifierCounter == 0)) && (waterLevel == 1)) || (((2 <= waterLevel) && (splverifierCounter == 0)) && (0 != systemActive))) || (((pumpRunning == 0) && (2 <= waterLevel)) && (splverifierCounter == 0))) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Location Invariant Derived location invariant: 0 - ProcedureContractResult [Line: 714]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: ((1 <= waterLevel) && (0 != systemActive)) Ensures: ((((pumpRunning == 0) && (1 <= waterLevel)) && (0 != systemActive)) && (((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (head == \old(head))) && (systemActive == \old(systemActive))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 629]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: (((pumpRunning == 0) && (1 <= waterLevel)) && (0 != systemActive)) Ensures: ((((pumpRunning == 0) && (1 <= waterLevel)) && (0 != systemActive)) && ((((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 935]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (((2 <= waterLevel) && (0 != systemActive)) || ((pumpRunning == 0) && (1 <= waterLevel))) Ensures: ((((2 <= waterLevel) && (0 != systemActive)) || ((pumpRunning == 0) && (1 <= waterLevel))) && (((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (waterLevel == \old(waterLevel)))) - ProcedureContractResult [Line: 605]: Procedure Contract for timeShift Derived contract for procedure timeShift. Ensures: ((((((\old(waterLevel) != 1) || (waterLevel == 1)) && (((\old(pumpRunning) != 0) || (\old(waterLevel) < 2)) || (1 < waterLevel))) && (((\old(pumpRunning) == 0) && (1 <= \old(waterLevel))) || ((2 <= \old(waterLevel)) && (0 != systemActive)))) && (((2 <= waterLevel) && (0 != systemActive)) || ((pumpRunning == 0) && (1 <= waterLevel)))) && ((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (head == \old(head))) && (systemActive == \old(systemActive))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 90]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (head == \old(head))) && (systemActive == \old(systemActive))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 637]: Procedure Contract for processEnvironment__wrappee__highWaterSensor Derived contract for procedure processEnvironment__wrappee__highWaterSensor. Requires: ((pumpRunning == 0) && (((waterLevel == 1) && (0 != systemActive)) || ((2 <= waterLevel) && (0 != systemActive)))) Ensures: ((((((2 <= waterLevel) && (\old(pumpRunning) == 0)) && (0 != systemActive)) || (((\old(pumpRunning) == 0) && (waterLevel == 1)) && (0 != systemActive))) && ((pumpRunning == 0) || (1 < waterLevel))) && (((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (head == \old(head))) && (systemActive == \old(systemActive))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 923]: Procedure Contract for waterRise Derived contract for procedure waterRise. Ensures: (((((2 <= \old(waterLevel)) && (0 != systemActive)) || ((pumpRunning == 0) && (1 <= \old(waterLevel)))) && (2 <= waterLevel)) && (((((cleanupTimeShifts == \old(cleanupTimeShifts)) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (methaneLevelCritical == \old(methaneLevelCritical)))) RESULT: Ultimate proved your program to be correct! [2024-11-22 02:06:04,819 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