./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_product22.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 0a7c3724e5ee5aec618285d48655e08e5160513f4f9a55965746ea75a93f68ad --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 14:20:40,930 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 14:20:41,015 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 14:20:41,018 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 14:20:41,019 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 14:20:41,038 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 14:20:41,039 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 14:20:41,039 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 14:20:41,040 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 14:20:41,041 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 14:20:41,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 14:20:41,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 14:20:41,042 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 14:20:41,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 14:20:41,043 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 14:20:41,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 14:20:41,045 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 14:20:41,045 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 14:20:41,046 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 14:20:41,046 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 14:20:41,049 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 14:20:41,050 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 14:20:41,050 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 14:20:41,050 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 14:20:41,051 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 14:20:41,051 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 14:20:41,051 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 14:20:41,051 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 14:20:41,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 14:20:41,052 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 14:20:41,052 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 14:20:41,052 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 14:20:41,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:20:41,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 14:20:41,053 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 14:20:41,053 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 14:20:41,053 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 14:20:41,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 14:20:41,054 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 14:20:41,054 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 14:20:41,054 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 14:20:41,055 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 14:20:41,055 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a7c3724e5ee5aec618285d48655e08e5160513f4f9a55965746ea75a93f68ad [2024-11-18 14:20:41,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 14:20:41,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 14:20:41,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 14:20:41,352 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 14:20:41,353 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 14:20:41,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c [2024-11-18 14:20:42,879 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 14:20:43,098 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 14:20:43,099 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c [2024-11-18 14:20:43,117 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae0ce68f1/6a1d3588d2ae47998373bede8d5bf708/FLAGf1cef45a5 [2024-11-18 14:20:43,441 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae0ce68f1/6a1d3588d2ae47998373bede8d5bf708 [2024-11-18 14:20:43,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 14:20:43,445 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 14:20:43,448 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 14:20:43,448 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 14:20:43,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 14:20:43,453 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:20:43" (1/1) ... [2024-11-18 14:20:43,454 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13c1878f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:43, skipping insertion in model container [2024-11-18 14:20:43,454 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:20:43" (1/1) ... [2024-11-18 14:20:43,502 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 14:20:43,793 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_product22.cil.c[8015,8028] [2024-11-18 14:20:43,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:20:43,909 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 14:20:43,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-18 14:20:43,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [145] [2024-11-18 14:20:43,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [183] [2024-11-18 14:20:43,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [376] [2024-11-18 14:20:43,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [444] [2024-11-18 14:20:43,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [540] [2024-11-18 14:20:43,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [549] [2024-11-18 14:20:43,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [575] [2024-11-18 14:20:43,982 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_product22.cil.c[8015,8028] [2024-11-18 14:20:44,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:20:44,051 INFO L204 MainTranslator]: Completed translation [2024-11-18 14:20:44,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:44 WrapperNode [2024-11-18 14:20:44,052 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 14:20:44,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 14:20:44,053 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 14:20:44,053 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 14:20:44,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:44" (1/1) ... [2024-11-18 14:20:44,073 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:44" (1/1) ... [2024-11-18 14:20:44,097 INFO L138 Inliner]: procedures = 54, calls = 98, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 193 [2024-11-18 14:20:44,098 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 14:20:44,099 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 14:20:44,099 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 14:20:44,099 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 14:20:44,108 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:44" (1/1) ... [2024-11-18 14:20:44,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:44" (1/1) ... [2024-11-18 14:20:44,110 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:44" (1/1) ... [2024-11-18 14:20:44,126 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]. [2024-11-18 14:20:44,126 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:44" (1/1) ... [2024-11-18 14:20:44,126 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:44" (1/1) ... [2024-11-18 14:20:44,131 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:44" (1/1) ... [2024-11-18 14:20:44,135 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:44" (1/1) ... [2024-11-18 14:20:44,137 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:44" (1/1) ... [2024-11-18 14:20:44,138 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:44" (1/1) ... [2024-11-18 14:20:44,140 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 14:20:44,141 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 14:20:44,141 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 14:20:44,141 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 14:20:44,142 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:44" (1/1) ... [2024-11-18 14:20:44,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:20:44,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:20:44,183 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) [2024-11-18 14:20:44,186 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 [2024-11-18 14:20:44,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 14:20:44,232 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-18 14:20:44,232 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-18 14:20:44,232 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-18 14:20:44,233 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-18 14:20:44,233 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-18 14:20:44,233 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-18 14:20:44,233 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-18 14:20:44,233 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-18 14:20:44,233 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2024-11-18 14:20:44,233 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2024-11-18 14:20:44,233 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-18 14:20:44,233 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-18 14:20:44,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 14:20:44,234 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-18 14:20:44,234 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-18 14:20:44,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 14:20:44,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 14:20:44,303 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 14:20:44,305 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 14:20:44,593 INFO L? ?]: Removed 42 outVars from TransFormulas that were not future-live. [2024-11-18 14:20:44,594 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 14:20:44,614 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 14:20:44,614 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-18 14:20:44,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:20:44 BoogieIcfgContainer [2024-11-18 14:20:44,615 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 14:20:44,617 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 14:20:44,618 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 14:20:44,621 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 14:20:44,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:20:43" (1/3) ... [2024-11-18 14:20:44,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aab2e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:20:44, skipping insertion in model container [2024-11-18 14:20:44,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:20:44" (2/3) ... [2024-11-18 14:20:44,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aab2e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:20:44, skipping insertion in model container [2024-11-18 14:20:44,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:20:44" (3/3) ... [2024-11-18 14:20:44,625 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product22.cil.c [2024-11-18 14:20:44,642 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 14:20:44,642 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 14:20:44,700 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 14:20:44,707 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;@260f3e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 14:20:44,710 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 14:20:44,718 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 70 states have internal predecessors, (86), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-18 14:20:44,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-18 14:20:44,727 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:44,727 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:20:44,728 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:44,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:44,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1081284888, now seen corresponding path program 1 times [2024-11-18 14:20:44,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:44,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036976991] [2024-11-18 14:20:44,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:44,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:44,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:20:44,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:44,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036976991] [2024-11-18 14:20:44,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036976991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:44,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:44,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 14:20:44,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692769119] [2024-11-18 14:20:44,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:44,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 14:20:44,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:44,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 14:20:44,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 14:20:44,972 INFO L87 Difference]: Start difference. First operand has 83 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 70 states have internal predecessors, (86), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 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) [2024-11-18 14:20:45,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:45,003 INFO L93 Difference]: Finished difference Result 158 states and 215 transitions. [2024-11-18 14:20:45,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 14:20:45,006 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 [2024-11-18 14:20:45,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:45,016 INFO L225 Difference]: With dead ends: 158 [2024-11-18 14:20:45,016 INFO L226 Difference]: Without dead ends: 74 [2024-11-18 14:20:45,021 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 [2024-11-18 14:20:45,027 INFO L432 NwaCegarLoop]: 104 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, 104 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 [2024-11-18 14:20:45,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:20:45,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-18 14:20:45,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-18 14:20:45,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 55 states have (on average 1.309090909090909) internal successors, (72), 62 states have internal predecessors, (72), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-18 14:20:45,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 95 transitions. [2024-11-18 14:20:45,079 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 95 transitions. Word has length 19 [2024-11-18 14:20:45,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:45,079 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 95 transitions. [2024-11-18 14:20:45,080 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) [2024-11-18 14:20:45,080 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 95 transitions. [2024-11-18 14:20:45,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-18 14:20:45,082 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:45,082 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] [2024-11-18 14:20:45,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 14:20:45,083 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:45,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:45,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1730590592, now seen corresponding path program 1 times [2024-11-18 14:20:45,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:45,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911828058] [2024-11-18 14:20:45,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:45,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:45,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:20:45,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:45,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911828058] [2024-11-18 14:20:45,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911828058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:45,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:45,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:20:45,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272169785] [2024-11-18 14:20:45,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:45,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:20:45,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:45,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:20:45,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:20:45,201 INFO L87 Difference]: Start difference. First operand 74 states and 95 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) [2024-11-18 14:20:45,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:45,226 INFO L93 Difference]: Finished difference Result 113 states and 145 transitions. [2024-11-18 14:20:45,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:20:45,227 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 [2024-11-18 14:20:45,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:45,228 INFO L225 Difference]: With dead ends: 113 [2024-11-18 14:20:45,228 INFO L226 Difference]: Without dead ends: 65 [2024-11-18 14:20:45,229 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 [2024-11-18 14:20:45,230 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 13 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 147 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 [2024-11-18 14:20:45,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 147 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:20:45,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-18 14:20:45,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-11-18 14:20:45,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 56 states have internal predecessors, (65), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 5 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-18 14:20:45,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 83 transitions. [2024-11-18 14:20:45,240 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 83 transitions. Word has length 20 [2024-11-18 14:20:45,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:45,241 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 83 transitions. [2024-11-18 14:20:45,241 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) [2024-11-18 14:20:45,241 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2024-11-18 14:20:45,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-18 14:20:45,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:45,243 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] [2024-11-18 14:20:45,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 14:20:45,243 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:45,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:45,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1455931255, now seen corresponding path program 1 times [2024-11-18 14:20:45,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:45,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382351927] [2024-11-18 14:20:45,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:45,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:45,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:20:45,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:45,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382351927] [2024-11-18 14:20:45,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382351927] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:45,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:45,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:20:45,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988157367] [2024-11-18 14:20:45,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:45,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:20:45,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:45,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:20:45,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:20:45,372 INFO L87 Difference]: Start difference. First operand 65 states and 83 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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) [2024-11-18 14:20:45,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:45,397 INFO L93 Difference]: Finished difference Result 123 states and 160 transitions. [2024-11-18 14:20:45,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:20:45,398 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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 [2024-11-18 14:20:45,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:45,399 INFO L225 Difference]: With dead ends: 123 [2024-11-18 14:20:45,400 INFO L226 Difference]: Without dead ends: 65 [2024-11-18 14:20:45,400 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 [2024-11-18 14:20:45,401 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 77 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:20:45,402 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 81 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:20:45,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-18 14:20:45,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-11-18 14:20:45,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 56 states have internal predecessors, (64), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 5 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-18 14:20:45,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 82 transitions. [2024-11-18 14:20:45,411 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 82 transitions. Word has length 25 [2024-11-18 14:20:45,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:45,412 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 82 transitions. [2024-11-18 14:20:45,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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) [2024-11-18 14:20:45,412 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2024-11-18 14:20:45,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-18 14:20:45,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:45,413 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] [2024-11-18 14:20:45,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 14:20:45,414 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:45,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:45,414 INFO L85 PathProgramCache]: Analyzing trace with hash -930014932, now seen corresponding path program 1 times [2024-11-18 14:20:45,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:45,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442063772] [2024-11-18 14:20:45,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:45,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:45,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:20:45,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:45,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442063772] [2024-11-18 14:20:45,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442063772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:45,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:45,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:20:45,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295247169] [2024-11-18 14:20:45,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:45,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:20:45,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:45,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:20:45,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:20:45,602 INFO L87 Difference]: Start difference. First operand 65 states and 82 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-18 14:20:45,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:45,695 INFO L93 Difference]: Finished difference Result 174 states and 229 transitions. [2024-11-18 14:20:45,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:20:45,699 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 35 [2024-11-18 14:20:45,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:45,701 INFO L225 Difference]: With dead ends: 174 [2024-11-18 14:20:45,702 INFO L226 Difference]: Without dead ends: 116 [2024-11-18 14:20:45,704 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 [2024-11-18 14:20:45,705 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 48 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:20:45,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 295 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:20:45,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-18 14:20:45,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-18 14:20:45,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 86 states have (on average 1.302325581395349) internal successors, (112), 98 states have internal predecessors, (112), 18 states have call successors, (18), 12 states have call predecessors, (18), 11 states have return successors, (19), 9 states have call predecessors, (19), 18 states have call successors, (19) [2024-11-18 14:20:45,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 149 transitions. [2024-11-18 14:20:45,731 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 149 transitions. Word has length 35 [2024-11-18 14:20:45,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:45,734 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 149 transitions. [2024-11-18 14:20:45,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-18 14:20:45,735 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 149 transitions. [2024-11-18 14:20:45,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-18 14:20:45,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:45,739 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] [2024-11-18 14:20:45,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 14:20:45,739 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:45,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:45,740 INFO L85 PathProgramCache]: Analyzing trace with hash 500274417, now seen corresponding path program 1 times [2024-11-18 14:20:45,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:45,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341353970] [2024-11-18 14:20:45,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:45,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:45,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:20:45,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:45,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341353970] [2024-11-18 14:20:45,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341353970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:45,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:45,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:20:45,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741763275] [2024-11-18 14:20:45,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:45,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:20:45,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:45,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:20:45,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:20:45,802 INFO L87 Difference]: Start difference. First operand 116 states and 149 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-18 14:20:45,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:45,858 INFO L93 Difference]: Finished difference Result 295 states and 392 transitions. [2024-11-18 14:20:45,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:20:45,859 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2024-11-18 14:20:45,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:45,866 INFO L225 Difference]: With dead ends: 295 [2024-11-18 14:20:45,867 INFO L226 Difference]: Without dead ends: 186 [2024-11-18 14:20:45,868 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 [2024-11-18 14:20:45,873 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 59 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:20:45,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 181 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:20:45,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-18 14:20:45,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 184. [2024-11-18 14:20:45,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 139 states have (on average 1.2805755395683454) internal successors, (178), 150 states have internal predecessors, (178), 24 states have call successors, (24), 22 states have call predecessors, (24), 20 states have return successors, (34), 18 states have call predecessors, (34), 24 states have call successors, (34) [2024-11-18 14:20:45,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 236 transitions. [2024-11-18 14:20:45,916 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 236 transitions. Word has length 37 [2024-11-18 14:20:45,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:45,916 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 236 transitions. [2024-11-18 14:20:45,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-18 14:20:45,917 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 236 transitions. [2024-11-18 14:20:45,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-18 14:20:45,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:45,919 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] [2024-11-18 14:20:45,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-18 14:20:45,919 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:45,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:45,924 INFO L85 PathProgramCache]: Analyzing trace with hash 962915748, now seen corresponding path program 1 times [2024-11-18 14:20:45,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:45,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171117466] [2024-11-18 14:20:45,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:45,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:45,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:20:45,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:45,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171117466] [2024-11-18 14:20:45,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171117466] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:45,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:45,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:20:45,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219104443] [2024-11-18 14:20:45,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:45,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:20:45,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:45,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:20:45,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:20:45,975 INFO L87 Difference]: Start difference. First operand 184 states and 236 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-18 14:20:46,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:46,003 INFO L93 Difference]: Finished difference Result 260 states and 341 transitions. [2024-11-18 14:20:46,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:20:46,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2024-11-18 14:20:46,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:46,007 INFO L225 Difference]: With dead ends: 260 [2024-11-18 14:20:46,007 INFO L226 Difference]: Without dead ends: 83 [2024-11-18 14:20:46,008 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 [2024-11-18 14:20:46,009 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 52 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:20:46,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 51 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:20:46,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-18 14:20:46,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-18 14:20:46,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 63 states have (on average 1.2063492063492063) internal successors, (76), 67 states have internal predecessors, (76), 10 states have call successors, (10), 10 states have call predecessors, (10), 9 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-18 14:20:46,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 96 transitions. [2024-11-18 14:20:46,025 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 96 transitions. Word has length 38 [2024-11-18 14:20:46,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:46,026 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 96 transitions. [2024-11-18 14:20:46,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-18 14:20:46,026 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 96 transitions. [2024-11-18 14:20:46,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-18 14:20:46,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:20:46,027 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] [2024-11-18 14:20:46,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-18 14:20:46,028 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:20:46,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:20:46,028 INFO L85 PathProgramCache]: Analyzing trace with hash 320961478, now seen corresponding path program 1 times [2024-11-18 14:20:46,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:20:46,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006226612] [2024-11-18 14:20:46,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:20:46,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:20:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:20:46,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:20:46,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:20:46,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006226612] [2024-11-18 14:20:46,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006226612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:20:46,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:20:46,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:20:46,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730049281] [2024-11-18 14:20:46,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:20:46,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:20:46,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:20:46,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:20:46,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:20:46,147 INFO L87 Difference]: Start difference. First operand 83 states and 96 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-18 14:20:46,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:20:46,250 INFO L93 Difference]: Finished difference Result 83 states and 96 transitions. [2024-11-18 14:20:46,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:20:46,250 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 39 [2024-11-18 14:20:46,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:20:46,251 INFO L225 Difference]: With dead ends: 83 [2024-11-18 14:20:46,251 INFO L226 Difference]: Without dead ends: 0 [2024-11-18 14:20:46,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-18 14:20:46,252 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 58 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:20:46,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 123 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:20:46,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-18 14:20:46,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-18 14:20:46,253 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) [2024-11-18 14:20:46,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-18 14:20:46,253 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2024-11-18 14:20:46,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:20:46,254 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-18 14:20:46,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-18 14:20:46,254 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-18 14:20:46,254 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-18 14:20:46,257 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 14:20:46,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-18 14:20:46,259 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:20:46,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-18 14:20:46,775 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 14:20:46,817 WARN L156 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (or (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (= 1 ~systemActive~0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2024-11-18 14:20:46,823 WARN L156 FloydHoareUtils]: Requires clause for waterRise contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (or (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (= 1 ~systemActive~0)) Eliminated clause: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2024-11-18 14:20:46,825 WARN L156 FloydHoareUtils]: Requires clause for processEnvironment__wrappee__lowWaterSensor contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2024-11-18 14:20:46,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:20:46 BoogieIcfgContainer [2024-11-18 14:20:46,827 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 14:20:46,827 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 14:20:46,827 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 14:20:46,828 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 14:20:46,828 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:20:44" (3/4) ... [2024-11-18 14:20:46,834 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-18 14:20:46,838 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-18 14:20:46,838 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-18 14:20:46,838 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-18 14:20:46,838 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-18 14:20:46,838 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-18 14:20:46,839 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-18 14:20:46,839 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2024-11-18 14:20:46,844 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-18 14:20:46,845 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-18 14:20:46,845 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-18 14:20:46,846 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-18 14:20:46,846 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-18 14:20:46,963 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-18 14:20:46,968 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-18 14:20:46,968 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 14:20:46,968 INFO L158 Benchmark]: Toolchain (without parser) took 3523.56ms. Allocated memory is still 169.9MB. Free memory was 103.1MB in the beginning and 87.1MB in the end (delta: 15.9MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2024-11-18 14:20:46,969 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 104.9MB. Free memory is still 69.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 14:20:46,969 INFO L158 Benchmark]: CACSL2BoogieTranslator took 604.71ms. Allocated memory is still 169.9MB. Free memory was 102.9MB in the beginning and 136.3MB in the end (delta: -33.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-18 14:20:46,969 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.16ms. Allocated memory is still 169.9MB. Free memory was 136.3MB in the beginning and 133.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-18 14:20:46,969 INFO L158 Benchmark]: Boogie Preprocessor took 41.49ms. Allocated memory is still 169.9MB. Free memory was 133.8MB in the beginning and 131.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 14:20:46,970 INFO L158 Benchmark]: RCFGBuilder took 473.92ms. Allocated memory is still 169.9MB. Free memory was 131.5MB in the beginning and 113.9MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-18 14:20:46,970 INFO L158 Benchmark]: TraceAbstraction took 2209.88ms. Allocated memory is still 169.9MB. Free memory was 113.4MB in the beginning and 94.4MB in the end (delta: 18.9MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2024-11-18 14:20:46,970 INFO L158 Benchmark]: Witness Printer took 140.62ms. Allocated memory is still 169.9MB. Free memory was 94.4MB in the beginning and 87.1MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-18 14:20:46,973 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 104.9MB. Free memory is still 69.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 604.71ms. Allocated memory is still 169.9MB. Free memory was 102.9MB in the beginning and 136.3MB in the end (delta: -33.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.16ms. Allocated memory is still 169.9MB. Free memory was 136.3MB in the beginning and 133.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.49ms. Allocated memory is still 169.9MB. Free memory was 133.8MB in the beginning and 131.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 473.92ms. Allocated memory is still 169.9MB. Free memory was 131.5MB in the beginning and 113.9MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2209.88ms. Allocated memory is still 169.9MB. Free memory was 113.4MB in the beginning and 94.4MB in the end (delta: 18.9MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * Witness Printer took 140.62ms. Allocated memory is still 169.9MB. Free memory was 94.4MB in the beginning and 87.1MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 145]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [145] - GenericResultAtLocation [Line: 183]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [183] - GenericResultAtLocation [Line: 376]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [376] - GenericResultAtLocation [Line: 444]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [444] - GenericResultAtLocation [Line: 540]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [540] - GenericResultAtLocation [Line: 549]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [549] - GenericResultAtLocation [Line: 575]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [575] * 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: 545]: 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, 83 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 312 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 307 mSDsluCounter, 982 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 427 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 100 IncrementalHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 555 mSDtfsCounter, 100 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=184occurred in iteration=5, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 213 NumberOfCodeBlocks, 213 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 206 ConstructedInterpolants, 0 QuantifiedInterpolants, 310 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Location Invariant Derived location invariant: 0 - ProcedureContractResult [Line: 285]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && (((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) - ProcedureContractResult [Line: 218]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: (((pumpRunning == 0) && (1 == systemActive)) && ((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) - ProcedureContractResult [Line: 83]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: (((pumpRunning == 0) && (1 == systemActive)) && (((((waterLevel == \old(waterLevel)) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) - ProcedureContractResult [Line: 446]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((methaneLevelCritical == \old(methaneLevelCritical)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) - ProcedureContractResult [Line: 194]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: (((((pumpRunning == 0) && ((\old(waterLevel) != 1) || (waterLevel == 1))) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && ((((methaneLevelCritical == \old(methaneLevelCritical)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) - ProcedureContractResult [Line: 71]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: (((pumpRunning == 0) && (1 == systemActive)) && (((((methaneLevelCritical == \old(methaneLevelCritical)) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) - ProcedureContractResult [Line: 226]: Procedure Contract for processEnvironment__wrappee__lowWaterSensor Derived contract for procedure processEnvironment__wrappee__lowWaterSensor. Requires: ((pumpRunning == 0) && (1 == systemActive)) Ensures: ((((pumpRunning == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head)))) RESULT: Ultimate proved your program to be correct! [2024-11-18 14:20:47,014 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE