./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product02.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8d31f386 Calling Ultimate with: /usr/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_product02.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.graphml --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 c216cc57d84019e61e144b24cb5e9e97dea3f5e5 ....................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-05 09:54:24,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 09:54:24,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 09:54:24,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 09:54:24,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 09:54:24,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 09:54:24,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 09:54:24,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 09:54:24,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 09:54:24,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 09:54:24,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 09:54:24,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 09:54:24,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 09:54:24,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 09:54:24,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 09:54:24,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 09:54:24,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 09:54:24,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 09:54:24,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 09:54:24,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 09:54:24,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 09:54:24,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 09:54:24,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 09:54:24,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 09:54:24,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 09:54:24,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 09:54:24,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 09:54:24,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 09:54:24,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 09:54:24,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 09:54:24,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 09:54:24,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 09:54:24,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 09:54:24,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 09:54:24,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 09:54:24,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 09:54:24,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 09:54:24,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 09:54:24,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 09:54:24,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 09:54:24,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 09:54:24,482 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-05 09:54:24,515 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 09:54:24,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 09:54:24,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 09:54:24,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 09:54:24,523 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 09:54:24,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 09:54:24,523 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 09:54:24,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-05 09:54:24,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 09:54:24,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 09:54:24,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 09:54:24,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 09:54:24,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 09:54:24,525 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 09:54:24,526 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 09:54:24,526 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 09:54:24,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 09:54:24,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 09:54:24,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 09:54:24,526 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 09:54:24,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 09:54:24,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 09:54:24,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 09:54:24,527 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 09:54:24,527 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-05 09:54:24,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-05 09:54:24,528 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 09:54:24,528 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 09:54:24,528 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c216cc57d84019e61e144b24cb5e9e97dea3f5e5 [2021-07-05 09:54:24,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 09:54:24,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 09:54:24,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 09:54:24,827 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 09:54:24,829 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 09:54:24,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product02.cil.c [2021-07-05 09:54:24,906 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88b6372d4/cd90f2f612f1426190507038424f0cee/FLAG120ee4284 [2021-07-05 09:54:25,450 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 09:54:25,454 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product02.cil.c [2021-07-05 09:54:25,463 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88b6372d4/cd90f2f612f1426190507038424f0cee/FLAG120ee4284 [2021-07-05 09:54:25,871 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88b6372d4/cd90f2f612f1426190507038424f0cee [2021-07-05 09:54:25,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 09:54:25,875 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 09:54:25,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 09:54:25,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 09:54:25,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 09:54:25,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 09:54:25" (1/1) ... [2021-07-05 09:54:25,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ec55282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:54:25, skipping insertion in model container [2021-07-05 09:54:25,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 09:54:25" (1/1) ... [2021-07-05 09:54:25,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 09:54:25,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 09:54:26,035 WARN L224 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_product02.cil.c[1817,1830] [2021-07-05 09:54:26,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 09:54:26,134 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 09:54:26,153 WARN L224 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_product02.cil.c[1817,1830] [2021-07-05 09:54:26,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 09:54:26,287 INFO L208 MainTranslator]: Completed translation [2021-07-05 09:54:26,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:54:26 WrapperNode [2021-07-05 09:54:26,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 09:54:26,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 09:54:26,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 09:54:26,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 09:54:26,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:54:26" (1/1) ... [2021-07-05 09:54:26,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:54:26" (1/1) ... [2021-07-05 09:54:26,369 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 09:54:26,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 09:54:26,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 09:54:26,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 09:54:26,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:54:26" (1/1) ... [2021-07-05 09:54:26,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:54:26" (1/1) ... [2021-07-05 09:54:26,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:54:26" (1/1) ... [2021-07-05 09:54:26,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:54:26" (1/1) ... [2021-07-05 09:54:26,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:54:26" (1/1) ... [2021-07-05 09:54:26,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:54:26" (1/1) ... [2021-07-05 09:54:26,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:54:26" (1/1) ... [2021-07-05 09:54:26,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 09:54:26,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 09:54:26,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 09:54:26,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 09:54:26,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:54:26" (1/1) ... [2021-07-05 09:54:26,426 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 09:54:26,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 09:54:26,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-07-05 09:54:26,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-07-05 09:54:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 09:54:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-05 09:54:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 09:54:26,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 09:54:27,226 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 09:54:27,227 INFO L299 CfgBuilder]: Removed 74 assume(true) statements. [2021-07-05 09:54:27,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 09:54:27 BoogieIcfgContainer [2021-07-05 09:54:27,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 09:54:27,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 09:54:27,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 09:54:27,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 09:54:27,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 09:54:25" (1/3) ... [2021-07-05 09:54:27,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5671e4c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 09:54:27, skipping insertion in model container [2021-07-05 09:54:27,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 09:54:26" (2/3) ... [2021-07-05 09:54:27,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5671e4c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 09:54:27, skipping insertion in model container [2021-07-05 09:54:27,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 09:54:27" (3/3) ... [2021-07-05 09:54:27,235 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product02.cil.c [2021-07-05 09:54:27,240 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 09:54:27,241 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-07-05 09:54:27,289 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 09:54:27,300 INFO L329 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, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 09:54:27,301 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 09:54:27,316 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 59 states have (on average 1.576271186440678) internal successors, (93), 62 states have internal predecessors, (93), 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) [2021-07-05 09:54:27,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-07-05 09:54:27,323 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:54:27,323 INFO L525 BasicCegarLoop]: 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] [2021-07-05 09:54:27,324 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:54:27,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:54:27,330 INFO L82 PathProgramCache]: Analyzing trace with hash 930808050, now seen corresponding path program 1 times [2021-07-05 09:54:27,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:54:27,338 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768707005] [2021-07-05 09:54:27,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:54:27,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:54:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 09:54:27,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:27,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:54:27,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:27,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 09:54:27,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:27,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 09:54:27,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 09:54:27,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 09:54:27,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 09:54:27,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 09:54:27,608 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768707005] [2021-07-05 09:54:27,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768707005] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 09:54:27,609 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 09:54:27,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-05 09:54:27,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417417729] [2021-07-05 09:54:27,614 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 09:54:27,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 09:54:27,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 09:54:27,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 09:54:27,626 INFO L87 Difference]: Start difference. First operand has 63 states, 59 states have (on average 1.576271186440678) internal successors, (93), 62 states have internal predecessors, (93), 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) Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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) [2021-07-05 09:54:27,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 09:54:27,786 INFO L93 Difference]: Finished difference Result 290 states and 450 transitions. [2021-07-05 09:54:27,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-05 09:54:27,787 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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) Word has length 24 [2021-07-05 09:54:27,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 09:54:27,795 INFO L225 Difference]: With dead ends: 290 [2021-07-05 09:54:27,795 INFO L226 Difference]: Without dead ends: 107 [2021-07-05 09:54:27,798 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 39.4ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-05 09:54:27,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-07-05 09:54:27,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 48. [2021-07-05 09:54:27,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.425531914893617) internal successors, (67), 47 states have internal predecessors, (67), 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) [2021-07-05 09:54:27,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 67 transitions. [2021-07-05 09:54:27,831 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 67 transitions. Word has length 24 [2021-07-05 09:54:27,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 09:54:27,832 INFO L442 AbstractCegarLoop]: Abstraction has 48 states and 67 transitions. [2021-07-05 09:54:27,832 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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) [2021-07-05 09:54:27,832 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2021-07-05 09:54:27,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-07-05 09:54:27,833 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 09:54:27,833 INFO L525 BasicCegarLoop]: 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] [2021-07-05 09:54:27,833 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-05 09:54:27,834 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 09:54:27,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 09:54:27,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1487700112, now seen corresponding path program 1 times [2021-07-05 09:54:27,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 09:54:27,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544903125] [2021-07-05 09:54:27,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 09:54:27,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 09:54:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-05 09:54:27,918 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-05 09:54:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-05 09:54:28,013 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-05 09:54:28,056 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-05 09:54:28,056 INFO L639 BasicCegarLoop]: Counterexample is feasible [2021-07-05 09:54:28,059 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-05 09:54:28,059 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 09:54:28,062 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was UNSAFE (1/3) [2021-07-05 09:54:28,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.07 09:54:28 BoogieIcfgContainer [2021-07-05 09:54:28,123 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-05 09:54:28,124 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-05 09:54:28,124 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-05 09:54:28,124 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-05 09:54:28,124 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 09:54:27" (3/4) ... [2021-07-05 09:54:28,126 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-07-05 09:54:28,210 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-05 09:54:28,211 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-05 09:54:28,212 INFO L168 Benchmark]: Toolchain (without parser) took 2336.34 ms. Allocated memory was 62.9 MB in the beginning and 111.1 MB in the end (delta: 48.2 MB). Free memory was 43.0 MB in the beginning and 73.1 MB in the end (delta: -30.1 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. [2021-07-05 09:54:28,212 INFO L168 Benchmark]: CDTParser took 0.68 ms. Allocated memory is still 62.9 MB. Free memory is still 45.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 09:54:28,212 INFO L168 Benchmark]: CACSL2BoogieTranslator took 411.64 ms. Allocated memory was 62.9 MB in the beginning and 92.3 MB in the end (delta: 29.4 MB). Free memory was 42.8 MB in the beginning and 69.9 MB in the end (delta: -27.1 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2021-07-05 09:54:28,213 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.35 ms. Allocated memory is still 92.3 MB. Free memory was 69.9 MB in the beginning and 67.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 09:54:28,213 INFO L168 Benchmark]: Boogie Preprocessor took 46.19 ms. Allocated memory is still 92.3 MB. Free memory was 67.2 MB in the beginning and 65.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 09:54:28,213 INFO L168 Benchmark]: RCFGBuilder took 810.90 ms. Allocated memory is still 92.3 MB. Free memory was 65.1 MB in the beginning and 69.7 MB in the end (delta: -4.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-07-05 09:54:28,214 INFO L168 Benchmark]: TraceAbstraction took 893.69 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 69.2 MB in the beginning and 83.6 MB in the end (delta: -14.4 MB). Peak memory consumption was 36.5 MB. Max. memory is 16.1 GB. [2021-07-05 09:54:28,214 INFO L168 Benchmark]: Witness Printer took 86.98 ms. Allocated memory is still 111.1 MB. Free memory was 83.6 MB in the beginning and 73.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-07-05 09:54:28,216 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68 ms. Allocated memory is still 62.9 MB. Free memory is still 45.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 411.64 ms. Allocated memory was 62.9 MB in the beginning and 92.3 MB in the end (delta: 29.4 MB). Free memory was 42.8 MB in the beginning and 69.9 MB in the end (delta: -27.1 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.35 ms. Allocated memory is still 92.3 MB. Free memory was 69.9 MB in the beginning and 67.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.19 ms. Allocated memory is still 92.3 MB. Free memory was 67.2 MB in the beginning and 65.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 810.90 ms. Allocated memory is still 92.3 MB. Free memory was 65.1 MB in the beginning and 69.7 MB in the end (delta: -4.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 893.69 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 69.2 MB in the beginning and 83.6 MB in the end (delta: -14.4 MB). Peak memory consumption was 36.5 MB. Max. memory is 16.1 GB. * Witness Printer took 86.98 ms. Allocated memory is still 111.1 MB. Free memory was 83.6 MB in the beginning and 73.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 84]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L258] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L464] int pumpRunning = 0; [L465] int systemActive = 1; [L685] int cleanupTimeShifts = 4; [L781] int waterLevel = 1; [L782] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L758] int retValue_acc ; [L759] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L765] tmp = valid_product() [L767] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L619] int splverifierCounter ; [L620] int tmp ; [L621] int tmp___0 ; [L622] int tmp___1 ; [L623] int tmp___2 ; [L626] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L628] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L630] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L636] tmp = __VERIFIER_nondet_int() [L638] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L799] COND TRUE waterLevel < 2 [L800] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L646] tmp___0 = __VERIFIER_nondet_int() [L648] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L656] tmp___2 = __VERIFIER_nondet_int() [L658] COND TRUE \read(tmp___2) [L575] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L472] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L479] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L582] int tmp ; [L583] int tmp___0 ; [L584] int tmp___1 ; [L820] int retValue_acc ; [L823] retValue_acc = methaneLevelCritical [L824] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L588] tmp = isMethaneLevelCritical() [L590] COND FALSE !(\read(tmp)) [L852] int retValue_acc ; [L855] retValue_acc = waterLevel [L856] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L594] tmp___0 = getWaterLevel() [L596] COND TRUE tmp___0 == 2 [L527] int retValue_acc ; [L530] retValue_acc = pumpRunning [L531] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L598] tmp___1 = isPumpRunning() [L600] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L84] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 63 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 775.6ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 10.8ms, AutomataDifference: 182.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 124 SDtfs, 278 SDslu, 306 SDs, 0 SdLazy, 84 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 63.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 39.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 22.2ms AutomataMinimizationTime, 1 MinimizatonAttempts, 59 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 16.8ms SsaConstructionTime, 190.7ms SatisfiabilityAnalysisTime, 88.3ms InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 63 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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! [2021-07-05 09:54:28,255 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...