./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product28.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_spec5_product28.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 27746ab44f558a6ebb6981088914ebe56dec54e6e61aba8484d841196c9545ea --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 15:16:38,195 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 15:16:38,263 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 15:16:38,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 15:16:38,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 15:16:38,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 15:16:38,299 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 15:16:38,300 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 15:16:38,301 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 15:16:38,302 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 15:16:38,303 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 15:16:38,303 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 15:16:38,303 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 15:16:38,306 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 15:16:38,306 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 15:16:38,307 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 15:16:38,307 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 15:16:38,307 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 15:16:38,308 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 15:16:38,308 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 15:16:38,308 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 15:16:38,312 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 15:16:38,313 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 15:16:38,313 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 15:16:38,313 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 15:16:38,313 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 15:16:38,314 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 15:16:38,314 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 15:16:38,314 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 15:16:38,314 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 15:16:38,315 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 15:16:38,315 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 15:16:38,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:16:38,315 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 15:16:38,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 15:16:38,325 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 15:16:38,325 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 15:16:38,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 15:16:38,326 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 15:16:38,326 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 15:16:38,327 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 15:16:38,327 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 15:16:38,327 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27746ab44f558a6ebb6981088914ebe56dec54e6e61aba8484d841196c9545ea [2024-11-08 15:16:38,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 15:16:38,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 15:16:38,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 15:16:38,611 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 15:16:38,612 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 15:16:38,613 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product28.cil.c [2024-11-08 15:16:40,040 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 15:16:40,277 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 15:16:40,278 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product28.cil.c [2024-11-08 15:16:40,290 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37adadabc/5ae544d401124c6db7d4fd26b6f1513c/FLAGf3029ff2e [2024-11-08 15:16:40,303 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37adadabc/5ae544d401124c6db7d4fd26b6f1513c [2024-11-08 15:16:40,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 15:16:40,309 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 15:16:40,311 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 15:16:40,311 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 15:16:40,316 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 15:16:40,317 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:16:40" (1/1) ... [2024-11-08 15:16:40,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e931171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:16:40, skipping insertion in model container [2024-11-08 15:16:40,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:16:40" (1/1) ... [2024-11-08 15:16:40,359 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 15:16:40,666 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_spec5_product28.cil.c[15131,15144] [2024-11-08 15:16:40,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:16:40,707 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 15:16:40,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-08 15:16:40,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [145] [2024-11-08 15:16:40,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [196] [2024-11-08 15:16:40,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [299] [2024-11-08 15:16:40,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [665] [2024-11-08 15:16:40,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [700] [2024-11-08 15:16:40,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [709] [2024-11-08 15:16:40,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [909] [2024-11-08 15:16:40,771 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_spec5_product28.cil.c[15131,15144] [2024-11-08 15:16:40,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:16:40,807 INFO L204 MainTranslator]: Completed translation [2024-11-08 15:16:40,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:16:40 WrapperNode [2024-11-08 15:16:40,807 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 15:16:40,808 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 15:16:40,808 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 15:16:40,809 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 15:16:40,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:16:40" (1/1) ... [2024-11-08 15:16:40,826 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:16:40" (1/1) ... [2024-11-08 15:16:40,850 INFO L138 Inliner]: procedures = 57, calls = 101, calls flagged for inlining = 25, calls inlined = 19, statements flattened = 177 [2024-11-08 15:16:40,850 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 15:16:40,851 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 15:16:40,851 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 15:16:40,852 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 15:16:40,864 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:16:40" (1/1) ... [2024-11-08 15:16:40,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:16:40" (1/1) ... [2024-11-08 15:16:40,866 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:16:40" (1/1) ... [2024-11-08 15:16:40,890 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 15:16:40,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:16:40" (1/1) ... [2024-11-08 15:16:40,892 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:16:40" (1/1) ... [2024-11-08 15:16:40,896 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:16:40" (1/1) ... [2024-11-08 15:16:40,899 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:16:40" (1/1) ... [2024-11-08 15:16:40,901 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:16:40" (1/1) ... [2024-11-08 15:16:40,902 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:16:40" (1/1) ... [2024-11-08 15:16:40,904 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 15:16:40,905 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 15:16:40,905 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 15:16:40,905 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 15:16:40,906 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:16:40" (1/1) ... [2024-11-08 15:16:40,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:16:40,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:16:40,943 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 15:16:40,948 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 15:16:40,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 15:16:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-08 15:16:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-08 15:16:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-08 15:16:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-08 15:16:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-08 15:16:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-08 15:16:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-08 15:16:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-08 15:16:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2024-11-08 15:16:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2024-11-08 15:16:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-08 15:16:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-08 15:16:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 15:16:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-08 15:16:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-08 15:16:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 15:16:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 15:16:41,075 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 15:16:41,078 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 15:16:41,302 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-08 15:16:41,302 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 15:16:41,321 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 15:16:41,323 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 15:16:41,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:16:41 BoogieIcfgContainer [2024-11-08 15:16:41,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 15:16:41,326 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 15:16:41,326 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 15:16:41,330 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 15:16:41,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 03:16:40" (1/3) ... [2024-11-08 15:16:41,331 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e7e7fd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:16:41, skipping insertion in model container [2024-11-08 15:16:41,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:16:40" (2/3) ... [2024-11-08 15:16:41,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e7e7fd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:16:41, skipping insertion in model container [2024-11-08 15:16:41,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:16:41" (3/3) ... [2024-11-08 15:16:41,335 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product28.cil.c [2024-11-08 15:16:41,353 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 15:16:41,354 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 15:16:41,429 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 15:16:41,435 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;@1ad107c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 15:16:41,435 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 15:16:41,440 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 66 states have (on average 1.3636363636363635) internal successors, (90), 73 states have internal predecessors, (90), 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 15:16:41,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 15:16:41,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:16:41,450 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:16:41,451 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:16:41,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:16:41,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1697011403, now seen corresponding path program 1 times [2024-11-08 15:16:41,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:16:41,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275063350] [2024-11-08 15:16:41,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:16:41,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:16:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:41,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 15:16:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:41,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 15:16:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:41,717 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 15:16:41,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:16:41,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275063350] [2024-11-08 15:16:41,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275063350] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:16:41,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:16:41,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 15:16:41,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154665277] [2024-11-08 15:16:41,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:16:41,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 15:16:41,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:16:41,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 15:16:41,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 15:16:41,754 INFO L87 Difference]: Start difference. First operand has 87 states, 66 states have (on average 1.3636363636363635) internal successors, (90), 73 states have internal predecessors, (90), 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 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 15:16:41,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:16:41,790 INFO L93 Difference]: Finished difference Result 165 states and 222 transitions. [2024-11-08 15:16:41,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 15:16:41,792 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-08 15:16:41,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:16:41,802 INFO L225 Difference]: With dead ends: 165 [2024-11-08 15:16:41,802 INFO L226 Difference]: Without dead ends: 78 [2024-11-08 15:16:41,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 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 15:16:41,812 INFO L432 NwaCegarLoop]: 108 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, 108 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 15:16:41,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:16:41,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-08 15:16:41,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-08 15:16:41,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 59 states have (on average 1.2881355932203389) internal successors, (76), 65 states have internal predecessors, (76), 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 15:16:41,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 99 transitions. [2024-11-08 15:16:41,859 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 99 transitions. Word has length 32 [2024-11-08 15:16:41,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:16:41,860 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 99 transitions. [2024-11-08 15:16:41,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 15:16:41,860 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 99 transitions. [2024-11-08 15:16:41,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 15:16:41,862 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:16:41,863 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:16:41,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 15:16:41,863 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:16:41,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:16:41,865 INFO L85 PathProgramCache]: Analyzing trace with hash -2086467875, now seen corresponding path program 1 times [2024-11-08 15:16:41,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:16:41,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104704689] [2024-11-08 15:16:41,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:16:41,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:16:41,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:42,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-08 15:16:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:42,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:16:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:42,042 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 15:16:42,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:16:42,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104704689] [2024-11-08 15:16:42,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104704689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:16:42,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:16:42,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:16:42,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754716367] [2024-11-08 15:16:42,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:16:42,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:16:42,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:16:42,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:16:42,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:16:42,045 INFO L87 Difference]: Start difference. First operand 78 states and 99 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 15:16:42,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:16:42,057 INFO L93 Difference]: Finished difference Result 116 states and 146 transitions. [2024-11-08 15:16:42,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:16:42,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-08 15:16:42,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:16:42,060 INFO L225 Difference]: With dead ends: 116 [2024-11-08 15:16:42,061 INFO L226 Difference]: Without dead ends: 69 [2024-11-08 15:16:42,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 15:16:42,063 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 17 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 150 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 15:16:42,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 150 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:16:42,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-08 15:16:42,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-08 15:16:42,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 59 states have internal predecessors, (69), 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 15:16:42,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions. [2024-11-08 15:16:42,073 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 33 [2024-11-08 15:16:42,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:16:42,074 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 87 transitions. [2024-11-08 15:16:42,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-08 15:16:42,074 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2024-11-08 15:16:42,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-08 15:16:42,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:16:42,076 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:16:42,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 15:16:42,076 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:16:42,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:16:42,077 INFO L85 PathProgramCache]: Analyzing trace with hash -524286602, now seen corresponding path program 1 times [2024-11-08 15:16:42,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:16:42,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610142798] [2024-11-08 15:16:42,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:16:42,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:16:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:42,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 15:16:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:42,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-08 15:16:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:42,203 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 15:16:42,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:16:42,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610142798] [2024-11-08 15:16:42,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610142798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:16:42,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:16:42,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:16:42,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630586331] [2024-11-08 15:16:42,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:16:42,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:16:42,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:16:42,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:16:42,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:16:42,213 INFO L87 Difference]: Start difference. First operand 69 states and 87 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-11-08 15:16:42,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:16:42,268 INFO L93 Difference]: Finished difference Result 189 states and 244 transitions. [2024-11-08 15:16:42,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:16:42,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 38 [2024-11-08 15:16:42,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:16:42,273 INFO L225 Difference]: With dead ends: 189 [2024-11-08 15:16:42,273 INFO L226 Difference]: Without dead ends: 128 [2024-11-08 15:16:42,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 15:16:42,277 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 75 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:16:42,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 176 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:16:42,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-08 15:16:42,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 125. [2024-11-08 15:16:42,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 94 states have (on average 1.3297872340425532) internal successors, (125), 105 states have internal predecessors, (125), 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 15:16:42,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 161 transitions. [2024-11-08 15:16:42,305 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 161 transitions. Word has length 38 [2024-11-08 15:16:42,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:16:42,306 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 161 transitions. [2024-11-08 15:16:42,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-11-08 15:16:42,306 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 161 transitions. [2024-11-08 15:16:42,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 15:16:42,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:16:42,308 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:16:42,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 15:16:42,309 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:16:42,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:16:42,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1086926627, now seen corresponding path program 1 times [2024-11-08 15:16:42,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:16:42,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695700232] [2024-11-08 15:16:42,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:16:42,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:16:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:42,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 15:16:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:42,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 15:16:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:42,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 15:16:42,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:16:42,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695700232] [2024-11-08 15:16:42,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695700232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:16:42,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:16:42,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:16:42,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294574315] [2024-11-08 15:16:42,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:16:42,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 15:16:42,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:16:42,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 15:16:42,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 15:16:42,465 INFO L87 Difference]: Start difference. First operand 125 states and 161 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 15:16:42,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:16:42,601 INFO L93 Difference]: Finished difference Result 212 states and 275 transitions. [2024-11-08 15:16:42,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 15:16:42,602 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2024-11-08 15:16:42,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:16:42,603 INFO L225 Difference]: With dead ends: 212 [2024-11-08 15:16:42,603 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 15:16:42,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:16:42,609 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 54 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:16:42,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 205 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:16:42,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 15:16:42,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 15:16:42,611 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 15:16:42,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 15:16:42,614 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2024-11-08 15:16:42,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:16:42,614 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 15:16:42,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 15:16:42,615 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 15:16:42,615 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 15:16:42,617 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 15:16:42,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 15:16:42,620 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-08 15:16:42,623 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 15:16:42,922 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 15:16:42,968 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 15:16:42,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 03:16:42 BoogieIcfgContainer [2024-11-08 15:16:42,977 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 15:16:42,978 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 15:16:42,978 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 15:16:42,978 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 15:16:42,978 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:16:41" (3/4) ... [2024-11-08 15:16:42,981 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 15:16:42,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-08 15:16:42,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-08 15:16:42,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-08 15:16:42,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-08 15:16:42,987 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-08 15:16:42,988 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-08 15:16:42,988 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2024-11-08 15:16:42,995 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-08 15:16:42,995 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-08 15:16:42,995 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 15:16:42,996 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 15:16:42,996 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 15:16:43,101 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-08 15:16:43,102 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-08 15:16:43,102 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 15:16:43,102 INFO L158 Benchmark]: Toolchain (without parser) took 2795.03ms. Allocated memory was 180.4MB in the beginning and 239.1MB in the end (delta: 58.7MB). Free memory was 123.0MB in the beginning and 133.3MB in the end (delta: -10.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-08 15:16:43,103 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 180.4MB. Free memory is still 145.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 15:16:43,103 INFO L158 Benchmark]: CACSL2BoogieTranslator took 497.02ms. Allocated memory is still 180.4MB. Free memory was 122.6MB in the beginning and 100.3MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 15:16:43,103 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.36ms. Allocated memory is still 180.4MB. Free memory was 100.3MB in the beginning and 97.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 15:16:43,103 INFO L158 Benchmark]: Boogie Preprocessor took 52.68ms. Allocated memory is still 180.4MB. Free memory was 97.8MB in the beginning and 95.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 15:16:43,104 INFO L158 Benchmark]: RCFGBuilder took 418.86ms. Allocated memory is still 180.4MB. Free memory was 95.7MB in the beginning and 78.1MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 15:16:43,104 INFO L158 Benchmark]: TraceAbstraction took 1651.67ms. Allocated memory was 180.4MB in the beginning and 239.1MB in the end (delta: 58.7MB). Free memory was 77.2MB in the beginning and 140.6MB in the end (delta: -63.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 15:16:43,104 INFO L158 Benchmark]: Witness Printer took 124.18ms. Allocated memory is still 239.1MB. Free memory was 139.6MB in the beginning and 133.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 15:16:43,108 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 180.4MB. Free memory is still 145.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 497.02ms. Allocated memory is still 180.4MB. Free memory was 122.6MB in the beginning and 100.3MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.36ms. Allocated memory is still 180.4MB. Free memory was 100.3MB in the beginning and 97.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.68ms. Allocated memory is still 180.4MB. Free memory was 97.8MB in the beginning and 95.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 418.86ms. Allocated memory is still 180.4MB. Free memory was 95.7MB in the beginning and 78.1MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1651.67ms. Allocated memory was 180.4MB in the beginning and 239.1MB in the end (delta: 58.7MB). Free memory was 77.2MB in the beginning and 140.6MB in the end (delta: -63.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 124.18ms. Allocated memory is still 239.1MB. Free memory was 139.6MB in the beginning and 133.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 145]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [145] - GenericResultAtLocation [Line: 196]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [196] - GenericResultAtLocation [Line: 299]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [299] - GenericResultAtLocation [Line: 665]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [665] - GenericResultAtLocation [Line: 700]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [700] - GenericResultAtLocation [Line: 709]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [709] - GenericResultAtLocation [Line: 909]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [909] * 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: 705]: 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, 87 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 152 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 146 mSDsluCounter, 639 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 287 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 352 mSDtfsCounter, 44 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=3, InterpolantAutomatonStates: 14, 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, 0.5s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 178 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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: 919]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 803]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && ((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 744]: 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))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 83]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((waterLevel == \old(waterLevel)) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 717]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((methaneLevelCritical == \old(methaneLevelCritical)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 199]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((methaneLevelCritical == \old(methaneLevelCritical)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 71]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((methaneLevelCritical == \old(methaneLevelCritical)) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 822]: Procedure Contract for isPumpRunning Derived contract for procedure isPumpRunning. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\result == 0)) && (((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) RESULT: Ultimate proved your program to be correct! [2024-11-08 15:16:43,143 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