./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product11.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 0f0ab174a42b7a796a7aa603adc547f34b3ce1c3e6aa217a93d91e742ec00f62 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 14:19:46,414 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 14:19:46,498 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 14:19:46,503 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 14:19:46,508 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 14:19:46,548 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 14:19:46,549 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 14:19:46,550 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 14:19:46,551 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 14:19:46,553 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 14:19:46,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 14:19:46,553 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 14:19:46,554 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 14:19:46,554 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 14:19:46,555 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 14:19:46,558 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 14:19:46,558 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 14:19:46,559 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 14:19:46,559 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 14:19:46,559 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 14:19:46,559 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 14:19:46,560 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 14:19:46,560 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 14:19:46,561 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 14:19:46,561 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 14:19:46,561 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 14:19:46,561 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 14:19:46,562 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 14:19:46,562 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 14:19:46,562 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 14:19:46,563 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 14:19:46,563 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 14:19:46,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:19:46,564 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 14:19:46,565 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 14:19:46,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 14:19:46,565 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 14:19:46,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 14:19:46,566 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 14:19:46,566 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 14:19:46,566 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 14:19:46,567 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 14:19:46,567 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f0ab174a42b7a796a7aa603adc547f34b3ce1c3e6aa217a93d91e742ec00f62 [2024-11-18 14:19:46,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 14:19:46,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 14:19:46,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 14:19:46,862 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 14:19:46,862 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 14:19:46,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c [2024-11-18 14:19:48,477 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 14:19:48,716 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 14:19:48,719 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c [2024-11-18 14:19:48,735 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1571eaba3/537a0aae0f434e7f96e002722ad60339/FLAGb3fb0d58d [2024-11-18 14:19:48,748 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1571eaba3/537a0aae0f434e7f96e002722ad60339 [2024-11-18 14:19:48,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 14:19:48,752 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 14:19:48,754 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 14:19:48,754 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 14:19:48,761 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 14:19:48,762 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:19:48" (1/1) ... [2024-11-18 14:19:48,763 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78cd3baf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:48, skipping insertion in model container [2024-11-18 14:19:48,763 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:19:48" (1/1) ... [2024-11-18 14:19:48,803 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 14:19:49,150 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_spec3_product11.cil.c[16202,16215] [2024-11-18 14:19:49,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:19:49,191 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 14:19:49,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [49] [2024-11-18 14:19:49,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [87] [2024-11-18 14:19:49,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [191] [2024-11-18 14:19:49,203 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [226] [2024-11-18 14:19:49,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [592] [2024-11-18 14:19:49,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [737] [2024-11-18 14:19:49,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [804] [2024-11-18 14:19:49,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [813] [2024-11-18 14:19:49,285 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_spec3_product11.cil.c[16202,16215] [2024-11-18 14:19:49,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 14:19:49,317 INFO L204 MainTranslator]: Completed translation [2024-11-18 14:19:49,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:49 WrapperNode [2024-11-18 14:19:49,317 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 14:19:49,318 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 14:19:49,319 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 14:19:49,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 14:19:49,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:49" (1/1) ... [2024-11-18 14:19:49,345 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:49" (1/1) ... [2024-11-18 14:19:49,377 INFO L138 Inliner]: procedures = 51, calls = 93, calls flagged for inlining = 21, calls inlined = 16, statements flattened = 146 [2024-11-18 14:19:49,378 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 14:19:49,379 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 14:19:49,379 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 14:19:49,379 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 14:19:49,390 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:49" (1/1) ... [2024-11-18 14:19:49,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:49" (1/1) ... [2024-11-18 14:19:49,393 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:49" (1/1) ... [2024-11-18 14:19:49,418 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-18 14:19:49,418 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:49" (1/1) ... [2024-11-18 14:19:49,419 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:49" (1/1) ... [2024-11-18 14:19:49,424 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:49" (1/1) ... [2024-11-18 14:19:49,428 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:49" (1/1) ... [2024-11-18 14:19:49,429 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:49" (1/1) ... [2024-11-18 14:19:49,431 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:49" (1/1) ... [2024-11-18 14:19:49,432 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 14:19:49,433 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 14:19:49,433 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 14:19:49,434 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 14:19:49,434 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:49" (1/1) ... [2024-11-18 14:19:49,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 14:19:49,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 14:19:49,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 14:19:49,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 14:19:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 14:19:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-18 14:19:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-18 14:19:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-18 14:19:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-18 14:19:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-18 14:19:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-18 14:19:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-18 14:19:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-18 14:19:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 14:19:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-18 14:19:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-18 14:19:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 14:19:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 14:19:49,612 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 14:19:49,615 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 14:19:49,854 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-18 14:19:49,854 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 14:19:49,875 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 14:19:49,875 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-18 14:19:49,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:19:49 BoogieIcfgContainer [2024-11-18 14:19:49,876 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 14:19:49,879 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 14:19:49,879 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 14:19:49,882 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 14:19:49,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:19:48" (1/3) ... [2024-11-18 14:19:49,883 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c3a0067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:19:49, skipping insertion in model container [2024-11-18 14:19:49,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:19:49" (2/3) ... [2024-11-18 14:19:49,883 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c3a0067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:19:49, skipping insertion in model container [2024-11-18 14:19:49,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:19:49" (3/3) ... [2024-11-18 14:19:49,885 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product11.cil.c [2024-11-18 14:19:49,900 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 14:19:49,901 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 14:19:49,962 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 14:19:49,971 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;@5a4abe53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 14:19:49,971 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 14:19:49,976 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 58 states have internal predecessors, (75), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-18 14:19:49,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-18 14:19:49,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:19:49,989 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:19:49,989 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:19:49,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:19:49,995 INFO L85 PathProgramCache]: Analyzing trace with hash -756762103, now seen corresponding path program 1 times [2024-11-18 14:19:50,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:19:50,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238283490] [2024-11-18 14:19:50,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:19:50,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:19:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:19:50,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:19:50,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:19:50,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238283490] [2024-11-18 14:19:50,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238283490] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:19:50,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:19:50,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-18 14:19:50,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941893230] [2024-11-18 14:19:50,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:19:50,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-18 14:19:50,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:19:50,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-18 14:19:50,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 14:19:50,254 INFO L87 Difference]: Start difference. First operand has 68 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 58 states have internal predecessors, (75), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) 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) [2024-11-18 14:19:50,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:19:50,279 INFO L93 Difference]: Finished difference Result 128 states and 173 transitions. [2024-11-18 14:19:50,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-18 14:19:50,281 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 [2024-11-18 14:19:50,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:19:50,287 INFO L225 Difference]: With dead ends: 128 [2024-11-18 14:19:50,288 INFO L226 Difference]: Without dead ends: 59 [2024-11-18 14:19:50,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-18 14:19:50,294 INFO L432 NwaCegarLoop]: 83 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, 83 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:19:50,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:19:50,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-18 14:19:50,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-18 14:19:50,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 47 states have (on average 1.297872340425532) internal successors, (61), 50 states have internal predecessors, (61), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-18 14:19:50,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 74 transitions. [2024-11-18 14:19:50,331 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 74 transitions. Word has length 25 [2024-11-18 14:19:50,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:19:50,332 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 74 transitions. [2024-11-18 14:19:50,332 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) [2024-11-18 14:19:50,333 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2024-11-18 14:19:50,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-18 14:19:50,335 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:19:50,335 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] [2024-11-18 14:19:50,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 14:19:50,336 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:19:50,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:19:50,336 INFO L85 PathProgramCache]: Analyzing trace with hash 2085076679, now seen corresponding path program 1 times [2024-11-18 14:19:50,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:19:50,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163695102] [2024-11-18 14:19:50,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:19:50,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:19:50,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:19:50,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:19:50,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:19:50,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163695102] [2024-11-18 14:19:50,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163695102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:19:50,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:19:50,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-18 14:19:50,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998828844] [2024-11-18 14:19:50,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:19:50,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-18 14:19:50,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:19:50,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-18 14:19:50,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:19:50,471 INFO L87 Difference]: Start difference. First operand 59 states and 74 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) [2024-11-18 14:19:50,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:19:50,486 INFO L93 Difference]: Finished difference Result 80 states and 99 transitions. [2024-11-18 14:19:50,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-18 14:19:50,488 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 [2024-11-18 14:19:50,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:19:50,489 INFO L225 Difference]: With dead ends: 80 [2024-11-18 14:19:50,489 INFO L226 Difference]: Without dead ends: 50 [2024-11-18 14:19:50,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-18 14:19:50,491 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 17 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:19:50,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 101 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:19:50,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-18 14:19:50,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-18 14:19:50,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 44 states have internal predecessors, (54), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-18 14:19:50,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 62 transitions. [2024-11-18 14:19:50,501 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 62 transitions. Word has length 26 [2024-11-18 14:19:50,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:19:50,501 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 62 transitions. [2024-11-18 14:19:50,502 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) [2024-11-18 14:19:50,502 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2024-11-18 14:19:50,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-18 14:19:50,505 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:19:50,505 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] [2024-11-18 14:19:50,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 14:19:50,506 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:19:50,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:19:50,507 INFO L85 PathProgramCache]: Analyzing trace with hash -247086690, now seen corresponding path program 1 times [2024-11-18 14:19:50,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:19:50,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655525837] [2024-11-18 14:19:50,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:19:50,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:19:50,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:19:50,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:19:50,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:19:50,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655525837] [2024-11-18 14:19:50,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655525837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:19:50,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:19:50,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 14:19:50,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487492479] [2024-11-18 14:19:50,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:19:50,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 14:19:50,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:19:50,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 14:19:50,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-18 14:19:50,712 INFO L87 Difference]: Start difference. First operand 50 states and 62 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 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) [2024-11-18 14:19:50,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:19:50,869 INFO L93 Difference]: Finished difference Result 176 states and 227 transitions. [2024-11-18 14:19:50,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 14:19:50,870 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 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 [2024-11-18 14:19:50,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:19:50,873 INFO L225 Difference]: With dead ends: 176 [2024-11-18 14:19:50,876 INFO L226 Difference]: Without dead ends: 133 [2024-11-18 14:19:50,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-18 14:19:50,878 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 97 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 14:19:50,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 298 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 14:19:50,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-18 14:19:50,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 123. [2024-11-18 14:19:50,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 98 states have (on average 1.3571428571428572) internal successors, (133), 105 states have internal predecessors, (133), 12 states have call successors, (12), 12 states have call predecessors, (12), 12 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2024-11-18 14:19:50,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 158 transitions. [2024-11-18 14:19:50,910 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 158 transitions. Word has length 30 [2024-11-18 14:19:50,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:19:50,911 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 158 transitions. [2024-11-18 14:19:50,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 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) [2024-11-18 14:19:50,911 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 158 transitions. [2024-11-18 14:19:50,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-18 14:19:50,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:19:50,914 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:19:50,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 14:19:50,915 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:19:50,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:19:50,915 INFO L85 PathProgramCache]: Analyzing trace with hash -457061233, now seen corresponding path program 1 times [2024-11-18 14:19:50,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:19:50,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579325478] [2024-11-18 14:19:50,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:19:50,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:19:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 14:19:51,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 14:19:51,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 14:19:51,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579325478] [2024-11-18 14:19:51,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579325478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 14:19:51,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 14:19:51,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 14:19:51,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128366000] [2024-11-18 14:19:51,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 14:19:51,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 14:19:51,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 14:19:51,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 14:19:51,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 14:19:51,066 INFO L87 Difference]: Start difference. First operand 123 states and 158 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-18 14:19:51,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 14:19:51,119 INFO L93 Difference]: Finished difference Result 338 states and 455 transitions. [2024-11-18 14:19:51,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 14:19:51,120 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-11-18 14:19:51,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 14:19:51,122 INFO L225 Difference]: With dead ends: 338 [2024-11-18 14:19:51,122 INFO L226 Difference]: Without dead ends: 222 [2024-11-18 14:19:51,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-18 14:19:51,123 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 28 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 14:19:51,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 218 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 14:19:51,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-18 14:19:51,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2024-11-18 14:19:51,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 176 states have (on average 1.3295454545454546) internal successors, (234), 186 states have internal predecessors, (234), 24 states have call successors, (24), 24 states have call predecessors, (24), 21 states have return successors, (30), 21 states have call predecessors, (30), 24 states have call successors, (30) [2024-11-18 14:19:51,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 288 transitions. [2024-11-18 14:19:51,151 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 288 transitions. Word has length 31 [2024-11-18 14:19:51,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 14:19:51,152 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 288 transitions. [2024-11-18 14:19:51,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-18 14:19:51,152 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 288 transitions. [2024-11-18 14:19:51,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-18 14:19:51,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 14:19:51,154 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 14:19:51,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 14:19:51,155 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 14:19:51,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 14:19:51,155 INFO L85 PathProgramCache]: Analyzing trace with hash -531030615, now seen corresponding path program 1 times [2024-11-18 14:19:51,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 14:19:51,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184131453] [2024-11-18 14:19:51,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 14:19:51,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 14:19:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 14:19:51,172 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 14:19:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 14:19:51,215 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 14:19:51,216 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 14:19:51,217 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 14:19:51,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-18 14:19:51,224 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-18 14:19:51,259 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 14:19:51,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:19:51 BoogieIcfgContainer [2024-11-18 14:19:51,262 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 14:19:51,263 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 14:19:51,263 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 14:19:51,264 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 14:19:51,264 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:19:49" (3/4) ... [2024-11-18 14:19:51,265 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-18 14:19:51,367 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-18 14:19:51,367 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 14:19:51,367 INFO L158 Benchmark]: Toolchain (without parser) took 2615.08ms. Allocated memory was 138.4MB in the beginning and 203.4MB in the end (delta: 65.0MB). Free memory was 81.8MB in the beginning and 173.4MB in the end (delta: -91.6MB). Peak memory consumption was 94.9MB. Max. memory is 16.1GB. [2024-11-18 14:19:51,368 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 138.4MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 14:19:51,368 INFO L158 Benchmark]: CACSL2BoogieTranslator took 563.88ms. Allocated memory was 138.4MB in the beginning and 203.4MB in the end (delta: 65.0MB). Free memory was 81.8MB in the beginning and 171.3MB in the end (delta: -89.5MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2024-11-18 14:19:51,368 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.97ms. Allocated memory is still 203.4MB. Free memory was 171.3MB in the beginning and 169.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 14:19:51,368 INFO L158 Benchmark]: Boogie Preprocessor took 53.68ms. Allocated memory is still 203.4MB. Free memory was 169.2MB in the beginning and 167.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 14:19:51,368 INFO L158 Benchmark]: RCFGBuilder took 442.78ms. Allocated memory is still 203.4MB. Free memory was 167.1MB in the beginning and 151.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-18 14:19:51,369 INFO L158 Benchmark]: TraceAbstraction took 1383.71ms. Allocated memory is still 203.4MB. Free memory was 150.4MB in the beginning and 60.2MB in the end (delta: 90.2MB). Peak memory consumption was 90.2MB. Max. memory is 16.1GB. [2024-11-18 14:19:51,369 INFO L158 Benchmark]: Witness Printer took 103.64ms. Allocated memory is still 203.4MB. Free memory was 60.2MB in the beginning and 173.4MB in the end (delta: -113.3MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-11-18 14:19:51,396 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 138.4MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 563.88ms. Allocated memory was 138.4MB in the beginning and 203.4MB in the end (delta: 65.0MB). Free memory was 81.8MB in the beginning and 171.3MB in the end (delta: -89.5MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.97ms. Allocated memory is still 203.4MB. Free memory was 171.3MB in the beginning and 169.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.68ms. Allocated memory is still 203.4MB. Free memory was 169.2MB in the beginning and 167.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 442.78ms. Allocated memory is still 203.4MB. Free memory was 167.1MB in the beginning and 151.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1383.71ms. Allocated memory is still 203.4MB. Free memory was 150.4MB in the beginning and 60.2MB in the end (delta: 90.2MB). Peak memory consumption was 90.2MB. Max. memory is 16.1GB. * Witness Printer took 103.64ms. Allocated memory is still 203.4MB. Free memory was 60.2MB in the beginning and 173.4MB in the end (delta: -113.3MB). Peak memory consumption was 7.1MB. 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,"Specification3_spec.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [87] - GenericResultAtLocation [Line: 191]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [191] - GenericResultAtLocation [Line: 226]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [226] - GenericResultAtLocation [Line: 592]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [592] - GenericResultAtLocation [Line: 737]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [737] - GenericResultAtLocation [Line: 804]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [804] - GenericResultAtLocation [Line: 813]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [813] * 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 - CounterExampleResult [Line: 809]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L88] int cleanupTimeShifts = 4; [L396] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L598] int pumpRunning = 0; [L599] int systemActive = 1; [L814] int waterLevel = 1; [L815] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L169] int retValue_acc ; [L170] int tmp ; [L174] FCALL select_helpers() [L175] FCALL select_features() [L176] CALL, EXPR valid_product() [L218] int retValue_acc ; [L221] retValue_acc = 1 [L222] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L176] RET, EXPR valid_product() [L176] tmp = valid_product() [L178] COND TRUE \read(tmp) [L180] FCALL setup() [L181] CALL runTest() [L160] CALL test() [L739] int splverifierCounter ; [L740] int tmp ; [L741] int tmp___0 ; [L742] int tmp___1 ; [L743] int tmp___2 ; [L746] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L748] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L750] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L756] tmp = __VERIFIER_nondet_int() [L758] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L760] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L832] COND TRUE waterLevel < 2 [L833] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L760] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L766] tmp___0 = __VERIFIER_nondet_int() [L768] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L776] tmp___2 = __VERIFIER_nondet_int() [L778] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L793] CALL timeShift() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L605] COND FALSE !(\read(pumpRunning)) VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L612] COND TRUE \read(systemActive) [L614] FCALL processEnvironment() [L620] CALL __utac_acc__Specification3_spec__1() [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L61] CALL, EXPR isMethaneLevelCritical() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L853] int retValue_acc ; [L856] retValue_acc = methaneLevelCritical [L857] return (retValue_acc); VAL [\old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L61] RET, EXPR isMethaneLevelCritical() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L61] tmp = isMethaneLevelCritical() [L63] COND FALSE !(\read(tmp)) [L67] CALL, EXPR getWaterLevel() [L885] int retValue_acc ; [L888] retValue_acc = waterLevel [L889] return (retValue_acc); VAL [\old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L67] RET, EXPR getWaterLevel() [L67] tmp___0 = getWaterLevel() [L69] COND TRUE tmp___0 == 2 [L71] CALL, EXPR isPumpRunning() [L678] int retValue_acc ; [L681] retValue_acc = pumpRunning [L682] return (retValue_acc); VAL [\old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L71] RET, EXPR isPumpRunning() [L71] tmp___1 = isPumpRunning() [L73] COND FALSE !(\read(tmp___1)) [L77] CALL __automaton_fail() [L809] reach_error() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 145 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 142 mSDsluCounter, 700 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 440 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70 IncrementalHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 260 mSDtfsCounter, 70 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=222occurred in iteration=4, InterpolantAutomatonStates: 16, 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, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 108 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-18 14:19:51,434 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE