./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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_spec2_product07.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 690d9fe310e470fa54abb43d61d054401e7692fe0de366fc3accadb640a888e5 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 15:13:43,119 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 15:13:43,179 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 15:13:43,184 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 15:13:43,185 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 15:13:43,222 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 15:13:43,222 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 15:13:43,223 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 15:13:43,223 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 15:13:43,224 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 15:13:43,224 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 15:13:43,224 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 15:13:43,225 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 15:13:43,226 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 15:13:43,227 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 15:13:43,228 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 15:13:43,228 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 15:13:43,231 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 15:13:43,232 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 15:13:43,232 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 15:13:43,232 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 15:13:43,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 15:13:43,233 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 15:13:43,233 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 15:13:43,233 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 15:13:43,234 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 15:13:43,234 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 15:13:43,234 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 15:13:43,235 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 15:13:43,235 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 15:13:43,235 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 15:13:43,235 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 15:13:43,235 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:13:43,236 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 15:13:43,236 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 15:13:43,237 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 15:13:43,237 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 15:13:43,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 15:13:43,238 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 15:13:43,238 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 15:13:43,239 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 15:13:43,239 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 15:13:43,239 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 690d9fe310e470fa54abb43d61d054401e7692fe0de366fc3accadb640a888e5 [2024-11-08 15:13:43,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 15:13:43,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 15:13:43,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 15:13:43,528 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 15:13:43,529 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 15:13:43,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2024-11-08 15:13:44,957 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 15:13:45,191 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 15:13:45,191 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2024-11-08 15:13:45,209 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d615ceb5/30dc9c8a96c14338a42257824a9afad2/FLAG0c808c8b5 [2024-11-08 15:13:45,228 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d615ceb5/30dc9c8a96c14338a42257824a9afad2 [2024-11-08 15:13:45,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 15:13:45,232 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 15:13:45,234 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 15:13:45,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 15:13:45,240 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 15:13:45,240 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:13:45" (1/1) ... [2024-11-08 15:13:45,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@361215c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:45, skipping insertion in model container [2024-11-08 15:13:45,241 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:13:45" (1/1) ... [2024-11-08 15:13:45,279 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 15:13:45,500 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_spec2_product07.cil.c[6162,6175] [2024-11-08 15:13:45,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:13:45,567 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 15:13:45,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-08 15:13:45,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [135] [2024-11-08 15:13:45,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [290] [2024-11-08 15:13:45,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [358] [2024-11-08 15:13:45,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [396] [2024-11-08 15:13:45,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [405] [2024-11-08 15:13:45,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [771] [2024-11-08 15:13:45,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [869] [2024-11-08 15:13:45,596 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_spec2_product07.cil.c[6162,6175] [2024-11-08 15:13:45,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:13:45,649 INFO L204 MainTranslator]: Completed translation [2024-11-08 15:13:45,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:45 WrapperNode [2024-11-08 15:13:45,650 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 15:13:45,651 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 15:13:45,651 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 15:13:45,651 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 15:13:45,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:45" (1/1) ... [2024-11-08 15:13:45,667 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:45" (1/1) ... [2024-11-08 15:13:45,685 INFO L138 Inliner]: procedures = 52, calls = 95, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 159 [2024-11-08 15:13:45,685 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 15:13:45,686 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 15:13:45,686 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 15:13:45,686 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 15:13:45,694 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:45" (1/1) ... [2024-11-08 15:13:45,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:45" (1/1) ... [2024-11-08 15:13:45,696 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:45" (1/1) ... [2024-11-08 15:13:45,707 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]. [2024-11-08 15:13:45,707 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:45" (1/1) ... [2024-11-08 15:13:45,707 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:45" (1/1) ... [2024-11-08 15:13:45,713 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:45" (1/1) ... [2024-11-08 15:13:45,717 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:45" (1/1) ... [2024-11-08 15:13:45,718 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:45" (1/1) ... [2024-11-08 15:13:45,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:45" (1/1) ... [2024-11-08 15:13:45,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 15:13:45,722 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 15:13:45,723 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 15:13:45,723 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 15:13:45,728 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:45" (1/1) ... [2024-11-08 15:13:45,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:13:45,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:13:45,759 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) [2024-11-08 15:13:45,765 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 [2024-11-08 15:13:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 15:13:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-08 15:13:45,806 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-08 15:13:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-08 15:13:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-08 15:13:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-08 15:13:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-08 15:13:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-08 15:13:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-08 15:13:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-08 15:13:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-08 15:13:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-08 15:13:45,809 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-08 15:13:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 15:13:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-08 15:13:45,809 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-08 15:13:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 15:13:45,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 15:13:45,880 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 15:13:45,882 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 15:13:46,121 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-08 15:13:46,122 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 15:13:46,137 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 15:13:46,137 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 15:13:46,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:13:46 BoogieIcfgContainer [2024-11-08 15:13:46,137 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 15:13:46,139 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 15:13:46,139 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 15:13:46,142 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 15:13:46,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 03:13:45" (1/3) ... [2024-11-08 15:13:46,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7172dc2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:13:46, skipping insertion in model container [2024-11-08 15:13:46,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:13:45" (2/3) ... [2024-11-08 15:13:46,143 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7172dc2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:13:46, skipping insertion in model container [2024-11-08 15:13:46,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:13:46" (3/3) ... [2024-11-08 15:13:46,144 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product07.cil.c [2024-11-08 15:13:46,157 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 15:13:46,157 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 15:13:46,214 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 15:13:46,222 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;@34d57fa9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 15:13:46,223 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 15:13:46,227 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 60 states have (on average 1.3833333333333333) internal successors, (83), 67 states have internal predecessors, (83), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 15:13:46,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 15:13:46,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:13:46,235 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] [2024-11-08 15:13:46,235 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:13:46,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:13:46,239 INFO L85 PathProgramCache]: Analyzing trace with hash 2077906994, now seen corresponding path program 1 times [2024-11-08 15:13:46,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:13:46,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305093706] [2024-11-08 15:13:46,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:13:46,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:13:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:46,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-08 15:13:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:46,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:13:46,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:13:46,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305093706] [2024-11-08 15:13:46,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305093706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:13:46,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:13:46,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 15:13:46,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116566679] [2024-11-08 15:13:46,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:13:46,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 15:13:46,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:13:46,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 15:13:46,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 15:13:46,481 INFO L87 Difference]: Start difference. First operand has 81 states, 60 states have (on average 1.3833333333333333) internal successors, (83), 67 states have internal predecessors, (83), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 15:13:46,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:13:46,520 INFO L93 Difference]: Finished difference Result 153 states and 208 transitions. [2024-11-08 15:13:46,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 15:13:46,525 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2024-11-08 15:13:46,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:13:46,537 INFO L225 Difference]: With dead ends: 153 [2024-11-08 15:13:46,537 INFO L226 Difference]: Without dead ends: 72 [2024-11-08 15:13:46,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 15:13:46,546 INFO L432 NwaCegarLoop]: 101 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, 101 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 [2024-11-08 15:13:46,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:13:46,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-08 15:13:46,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-08 15:13:46,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 59 states have internal predecessors, (69), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-08 15:13:46,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2024-11-08 15:13:46,592 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 25 [2024-11-08 15:13:46,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:13:46,593 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2024-11-08 15:13:46,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 15:13:46,593 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2024-11-08 15:13:46,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 15:13:46,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:13:46,596 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] [2024-11-08 15:13:46,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 15:13:46,597 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:13:46,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:13:46,598 INFO L85 PathProgramCache]: Analyzing trace with hash 525951112, now seen corresponding path program 1 times [2024-11-08 15:13:46,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:13:46,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928700107] [2024-11-08 15:13:46,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:13:46,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:13:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:46,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 15:13:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:46,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:13:46,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:13:46,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928700107] [2024-11-08 15:13:46,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928700107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:13:46,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:13:46,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:13:46,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16881917] [2024-11-08 15:13:46,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:13:46,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:13:46,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:13:46,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:13:46,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:13:46,725 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 15:13:46,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:13:46,743 INFO L93 Difference]: Finished difference Result 105 states and 133 transitions. [2024-11-08 15:13:46,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:13:46,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2024-11-08 15:13:46,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:13:46,745 INFO L225 Difference]: With dead ends: 105 [2024-11-08 15:13:46,745 INFO L226 Difference]: Without dead ends: 63 [2024-11-08 15:13:46,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:13:46,747 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 16 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 137 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 [2024-11-08 15:13:46,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 137 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:13:46,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-08 15:13:46,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-08 15:13:46,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 53 states have internal predecessors, (62), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 15:13:46,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 80 transitions. [2024-11-08 15:13:46,761 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 80 transitions. Word has length 26 [2024-11-08 15:13:46,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:13:46,764 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 80 transitions. [2024-11-08 15:13:46,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 15:13:46,765 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2024-11-08 15:13:46,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 15:13:46,766 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:13:46,766 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] [2024-11-08 15:13:46,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 15:13:46,766 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:13:46,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:13:46,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1806341128, now seen corresponding path program 1 times [2024-11-08 15:13:46,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:13:46,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690294114] [2024-11-08 15:13:46,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:13:46,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:13:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:46,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 15:13:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:46,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:13:46,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:13:46,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690294114] [2024-11-08 15:13:46,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690294114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:13:46,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:13:46,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:13:46,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064932297] [2024-11-08 15:13:46,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:13:46,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:13:46,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:13:46,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:13:46,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:13:46,899 INFO L87 Difference]: Start difference. First operand 63 states and 80 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 15:13:46,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:13:46,936 INFO L93 Difference]: Finished difference Result 172 states and 224 transitions. [2024-11-08 15:13:46,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:13:46,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-11-08 15:13:46,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:13:46,940 INFO L225 Difference]: With dead ends: 172 [2024-11-08 15:13:46,941 INFO L226 Difference]: Without dead ends: 117 [2024-11-08 15:13:46,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:13:46,942 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 59 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:13:46,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 164 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:13:46,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-08 15:13:46,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 114. [2024-11-08 15:13:46,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 83 states have (on average 1.3493975903614457) internal successors, (112), 94 states have internal predecessors, (112), 18 states have call successors, (18), 12 states have call predecessors, (18), 12 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 15:13:46,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 148 transitions. [2024-11-08 15:13:46,961 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 148 transitions. Word has length 30 [2024-11-08 15:13:46,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:13:46,961 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 148 transitions. [2024-11-08 15:13:46,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 15:13:46,962 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 148 transitions. [2024-11-08 15:13:46,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 15:13:46,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:13:46,964 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] [2024-11-08 15:13:46,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 15:13:46,964 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:13:46,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:13:46,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1533330026, now seen corresponding path program 1 times [2024-11-08 15:13:46,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:13:46,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247786389] [2024-11-08 15:13:46,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:13:46,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:13:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:47,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 15:13:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:47,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:13:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:13:47,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:13:47,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:13:47,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247786389] [2024-11-08 15:13:47,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247786389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:13:47,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:13:47,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 15:13:47,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741686630] [2024-11-08 15:13:47,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:13:47,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:13:47,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:13:47,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:13:47,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:13:47,130 INFO L87 Difference]: Start difference. First operand 114 states and 148 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 15:13:47,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:13:47,216 INFO L93 Difference]: Finished difference Result 192 states and 251 transitions. [2024-11-08 15:13:47,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 15:13:47,218 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), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2024-11-08 15:13:47,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:13:47,219 INFO L225 Difference]: With dead ends: 192 [2024-11-08 15:13:47,219 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 15:13:47,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:13:47,221 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 31 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:13:47,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 148 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:13:47,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 15:13:47,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 15:13:47,227 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) [2024-11-08 15:13:47,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 15:13:47,227 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2024-11-08 15:13:47,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:13:47,228 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 15:13:47,228 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), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 15:13:47,228 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 15:13:47,228 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 15:13:47,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 15:13:47,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 15:13:47,235 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-08 15:13:47,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 15:13:47,533 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 15:13:47,576 WARN L156 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-11-08 15:13:47,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 03:13:47 BoogieIcfgContainer [2024-11-08 15:13:47,580 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 15:13:47,580 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 15:13:47,580 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 15:13:47,581 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 15:13:47,581 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:13:46" (3/4) ... [2024-11-08 15:13:47,583 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 15:13:47,590 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-08 15:13:47,590 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-08 15:13:47,591 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-08 15:13:47,591 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-08 15:13:47,591 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-08 15:13:47,591 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-11-08 15:13:47,591 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-08 15:13:47,597 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-08 15:13:47,597 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-08 15:13:47,597 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 15:13:47,598 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 15:13:47,598 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 15:13:47,696 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-08 15:13:47,697 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-08 15:13:47,697 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 15:13:47,698 INFO L158 Benchmark]: Toolchain (without parser) took 2465.33ms. Allocated memory is still 167.8MB. Free memory was 119.7MB in the beginning and 61.3MB in the end (delta: 58.4MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. [2024-11-08 15:13:47,698 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 167.8MB. Free memory is still 135.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 15:13:47,699 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.54ms. Allocated memory is still 167.8MB. Free memory was 119.4MB in the beginning and 98.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 15:13:47,699 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.40ms. Allocated memory is still 167.8MB. Free memory was 98.4MB in the beginning and 96.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 15:13:47,699 INFO L158 Benchmark]: Boogie Preprocessor took 36.24ms. Allocated memory is still 167.8MB. Free memory was 96.3MB in the beginning and 94.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 15:13:47,700 INFO L158 Benchmark]: RCFGBuilder took 414.93ms. Allocated memory is still 167.8MB. Free memory was 94.3MB in the beginning and 77.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 15:13:47,700 INFO L158 Benchmark]: TraceAbstraction took 1440.48ms. Allocated memory is still 167.8MB. Free memory was 77.2MB in the beginning and 68.5MB in the end (delta: 8.6MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-11-08 15:13:47,700 INFO L158 Benchmark]: Witness Printer took 116.95ms. Allocated memory is still 167.8MB. Free memory was 68.5MB in the beginning and 61.3MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 15:13:47,703 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 167.8MB. Free memory is still 135.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.54ms. Allocated memory is still 167.8MB. Free memory was 119.4MB in the beginning and 98.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.40ms. Allocated memory is still 167.8MB. Free memory was 98.4MB in the beginning and 96.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.24ms. Allocated memory is still 167.8MB. Free memory was 96.3MB in the beginning and 94.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 414.93ms. Allocated memory is still 167.8MB. Free memory was 94.3MB in the beginning and 77.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1440.48ms. Allocated memory is still 167.8MB. Free memory was 77.2MB in the beginning and 68.5MB in the end (delta: 8.6MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Witness Printer took 116.95ms. Allocated memory is still 167.8MB. Free memory was 68.5MB in the beginning and 61.3MB in the end (delta: 7.2MB). 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: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [135] - GenericResultAtLocation [Line: 290]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [290] - GenericResultAtLocation [Line: 358]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [358] - GenericResultAtLocation [Line: 396]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [396] - GenericResultAtLocation [Line: 405]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [405] - GenericResultAtLocation [Line: 771]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [771] - GenericResultAtLocation [Line: 869]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [869] * 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: 401]: 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, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 110 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 106 mSDsluCounter, 550 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 225 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 325 mSDtfsCounter, 23 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=3, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 206 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 301]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - ProcedureContractResult [Line: 211]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && ((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (systemActive == \old(systemActive))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (methAndRunningLastTime == \old(methAndRunningLastTime)))) - ProcedureContractResult [Line: 170]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (methAndRunningLastTime == \old(methAndRunningLastTime)))) - ProcedureContractResult [Line: 82]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((waterLevel == \old(waterLevel)) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (methAndRunningLastTime == \old(methAndRunningLastTime)))) - ProcedureContractResult [Line: 773]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((methaneLevelCritical == \old(methaneLevelCritical)) && (systemActive == \old(systemActive))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 146]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((methaneLevelCritical == \old(methaneLevelCritical)) && (systemActive == \old(systemActive))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts)))) - ProcedureContractResult [Line: 94]: Procedure Contract for isMethaneLevelCritical Derived contract for procedure isMethaneLevelCritical. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (methAndRunningLastTime == \old(methAndRunningLastTime)))) - ProcedureContractResult [Line: 70]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((methaneLevelCritical == \old(methaneLevelCritical)) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive))) && (head == \old(head))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (methAndRunningLastTime == \old(methAndRunningLastTime)))) RESULT: Ultimate proved your program to be correct! [2024-11-08 15:13:47,730 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