./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_65a4bb8f-8ff2-48b1-8793-8e5a0e94a93b/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_65a4bb8f-8ff2-48b1-8793-8e5a0e94a93b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_65a4bb8f-8ff2-48b1-8793-8e5a0e94a93b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_65a4bb8f-8ff2-48b1-8793-8e5a0e94a93b/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_65a4bb8f-8ff2-48b1-8793-8e5a0e94a93b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_65a4bb8f-8ff2-48b1-8793-8e5a0e94a93b/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a4cdc62a5b5efdfba89a3280823bf73bd08d347a ............................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-6b5699a [2019-11-26 02:55:53,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:55:53,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:55:53,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:55:53,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:55:53,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:55:53,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:55:53,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:55:53,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:55:53,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:55:53,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:55:53,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:55:53,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:55:53,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:55:53,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:55:53,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:55:53,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:55:53,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:55:53,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:55:53,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:55:53,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:55:53,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:55:53,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:55:53,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:55:53,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:55:53,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:55:53,342 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:55:53,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:55:53,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:55:53,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:55:53,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:55:53,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:55:53,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:55:53,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:55:53,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:55:53,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:55:53,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:55:53,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:55:53,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:55:53,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:55:53,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:55:53,351 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_65a4bb8f-8ff2-48b1-8793-8e5a0e94a93b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:55:53,375 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:55:53,384 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:55:53,385 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:55:53,385 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:55:53,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:55:53,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:55:53,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:55:53,386 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:55:53,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:55:53,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:55:53,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:55:53,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:55:53,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:55:53,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:55:53,388 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:55:53,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:55:53,388 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:55:53,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:55:53,389 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:55:53,389 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:55:53,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:55:53,389 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:55:53,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:55:53,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:55:53,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:55:53,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:55:53,390 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:55:53,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:55:53,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:55:53,391 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_65a4bb8f-8ff2-48b1-8793-8e5a0e94a93b/bin/ukojak 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak 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 -> a4cdc62a5b5efdfba89a3280823bf73bd08d347a [2019-11-26 02:55:53,526 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:55:53,536 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:55:53,538 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:55:53,540 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:55:53,540 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:55:53,541 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_65a4bb8f-8ff2-48b1-8793-8e5a0e94a93b/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c [2019-11-26 02:55:53,590 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_65a4bb8f-8ff2-48b1-8793-8e5a0e94a93b/bin/ukojak/data/4580874be/ded9a728d3404fad820dc7739e22f326/FLAGb26b2669b [2019-11-26 02:55:54,037 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:55:54,038 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_65a4bb8f-8ff2-48b1-8793-8e5a0e94a93b/sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c [2019-11-26 02:55:54,047 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_65a4bb8f-8ff2-48b1-8793-8e5a0e94a93b/bin/ukojak/data/4580874be/ded9a728d3404fad820dc7739e22f326/FLAGb26b2669b [2019-11-26 02:55:54,057 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_65a4bb8f-8ff2-48b1-8793-8e5a0e94a93b/bin/ukojak/data/4580874be/ded9a728d3404fad820dc7739e22f326 [2019-11-26 02:55:54,059 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:55:54,060 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:55:54,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:55:54,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:55:54,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:55:54,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:55:54" (1/1) ... [2019-11-26 02:55:54,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5df0d35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:55:54, skipping insertion in model container [2019-11-26 02:55:54,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:55:54" (1/1) ... [2019-11-26 02:55:54,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:55:54,129 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:55:54,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:55:54,566 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:55:54,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:55:54,701 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:55:54,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:55:54 WrapperNode [2019-11-26 02:55:54,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:55:54,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:55:54,702 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:55:54,702 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:55:54,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:55:54" (1/1) ... [2019-11-26 02:55:54,735 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:55:54" (1/1) ... [2019-11-26 02:55:54,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:55:54,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:55:54,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:55:54,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:55:54,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:55:54" (1/1) ... [2019-11-26 02:55:54,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:55:54" (1/1) ... [2019-11-26 02:55:54,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:55:54" (1/1) ... [2019-11-26 02:55:54,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:55:54" (1/1) ... [2019-11-26 02:55:54,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:55:54" (1/1) ... [2019-11-26 02:55:54,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:55:54" (1/1) ... [2019-11-26 02:55:54,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:55:54" (1/1) ... [2019-11-26 02:55:54,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:55:54,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:55:54,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:55:54,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:55:54,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:55:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_65a4bb8f-8ff2-48b1-8793-8e5a0e94a93b/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:55:54,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:55:54,858 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-26 02:55:54,859 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-26 02:55:54,859 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-26 02:55:54,859 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-26 02:55:54,859 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-26 02:55:54,859 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-26 02:55:54,860 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-26 02:55:54,860 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-26 02:55:54,860 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-26 02:55:54,860 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-26 02:55:54,860 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-26 02:55:54,861 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-26 02:55:54,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:55:54,861 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-26 02:55:54,861 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-26 02:55:54,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:55:54,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:55:55,793 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:55:55,793 INFO L284 CfgBuilder]: Removed 38 assume(true) statements. [2019-11-26 02:55:55,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:55:55 BoogieIcfgContainer [2019-11-26 02:55:55,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:55:55,795 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:55:55,795 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:55:55,807 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:55:55,807 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:55:55" (1/1) ... [2019-11-26 02:55:55,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:55:55,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:55,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 55 states and 73 transitions. [2019-11-26 02:55:55,865 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 73 transitions. [2019-11-26 02:55:55,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 02:55:55,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:56,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:55:56,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:56,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 55 states and 71 transitions. [2019-11-26 02:55:56,172 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2019-11-26 02:55:56,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 02:55:56,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:56,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:55:56,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:56,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 57 states and 74 transitions. [2019-11-26 02:55:56,311 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2019-11-26 02:55:56,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-26 02:55:56,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:56,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:55:56,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:56,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 66 states and 91 transitions. [2019-11-26 02:55:56,555 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 91 transitions. [2019-11-26 02:55:56,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-26 02:55:56,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:56,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:55:56,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:56,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2019-11-26 02:55:56,635 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2019-11-26 02:55:56,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-26 02:55:56,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:56,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:55:56,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:56,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 68 states and 93 transitions. [2019-11-26 02:55:56,704 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2019-11-26 02:55:56,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-26 02:55:56,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:56,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:56,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:55:57,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:57,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 78 states and 113 transitions. [2019-11-26 02:55:57,129 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 113 transitions. [2019-11-26 02:55:57,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-26 02:55:57,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:57,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:55:57,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:57,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 79 states and 114 transitions. [2019-11-26 02:55:57,194 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 114 transitions. [2019-11-26 02:55:57,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-26 02:55:57,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:57,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:55:58,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:58,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 94 states and 144 transitions. [2019-11-26 02:55:58,106 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 144 transitions. [2019-11-26 02:55:58,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-26 02:55:58,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:58,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:55:58,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:58,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 96 states and 150 transitions. [2019-11-26 02:55:58,421 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 150 transitions. [2019-11-26 02:55:58,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-26 02:55:58,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:58,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:58,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:55:58,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:58,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 97 states and 151 transitions. [2019-11-26 02:55:58,466 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 151 transitions. [2019-11-26 02:55:58,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-26 02:55:58,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:55:58,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:55:59,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:55:59,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 111 states and 184 transitions. [2019-11-26 02:55:59,945 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 184 transitions. [2019-11-26 02:55:59,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-26 02:55:59,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:55:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:56:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:56:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:56:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:56:00,315 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2019-11-26 02:56:00,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:56:00 ImpRootNode [2019-11-26 02:56:00,460 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:56:00,460 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:56:00,461 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:56:00,461 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:56:00,462 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:55:55" (3/4) ... [2019-11-26 02:56:00,465 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:56:00,598 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_65a4bb8f-8ff2-48b1-8793-8e5a0e94a93b/bin/ukojak/witness.graphml [2019-11-26 02:56:00,599 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:56:00,601 INFO L168 Benchmark]: Toolchain (without parser) took 6540.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 944.7 MB in the beginning and 961.3 MB in the end (delta: -16.5 MB). Peak memory consumption was 153.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:56:00,601 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:56:00,601 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -165.1 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:56:00,602 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:56:00,602 INFO L168 Benchmark]: Boogie Preprocessor took 31.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:56:00,603 INFO L168 Benchmark]: RCFGBuilder took 995.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.5 MB). Peak memory consumption was 77.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:56:00,603 INFO L168 Benchmark]: CodeCheck took 4665.71 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 48.8 MB). Free memory was 1.0 GB in the beginning and 975.8 MB in the end (delta: 45.8 MB). Peak memory consumption was 94.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:56:00,604 INFO L168 Benchmark]: Witness Printer took 138.45 ms. Allocated memory is still 1.2 GB. Free memory was 975.8 MB in the beginning and 961.3 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:56:00,606 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 55 locations, 1 error locations. Result: UNSAFE, OverallTime: 4.4s, OverallIterations: 12, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 43772 SDtfs, 12668 SDslu, 20930 SDs, 0 SdLazy, 18974 SolverSat, 5804 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2263 GetRequests, 2175 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2726 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 296 NumberOfCodeBlocks, 296 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 253 ConstructedInterpolants, 0 QuantifiedInterpolants, 14599 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 543]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L406] int cleanupTimeShifts = 4; [L588] int pumpRunning = 0; [L589] int systemActive = 1; [L832] int waterLevel = 1; [L833] int methaneLevelCritical = 0; [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L487] int retValue_acc ; [L488] int tmp ; [L574] int retValue_acc ; [L577] retValue_acc = 1 [L578] return (retValue_acc); [L494] tmp = valid_product() [L496] COND TRUE \read(tmp) [L767] int splverifierCounter ; [L768] int tmp ; [L769] int tmp___0 ; [L770] int tmp___1 ; [L771] int tmp___2 ; [L774] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L776] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L778] COND TRUE splverifierCounter < 4 [L784] tmp = __VERIFIER_nondet_int() [L786] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L788] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L850] COND TRUE waterLevel < 2 [L851] waterLevel = waterLevel + 1 [L788] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L794] tmp___0 = __VERIFIER_nondet_int() [L796] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L798] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L862] COND FALSE !(\read(methaneLevelCritical)) [L865] methaneLevelCritical = 1 [L798] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L804] tmp___2 = __VERIFIER_nondet_int() [L806] COND FALSE !(\read(tmp___2)) [L810] tmp___1 = __VERIFIER_nondet_int() [L812] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L819] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L595] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L602] COND TRUE \read(systemActive) [L650] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L653] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L668] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L624] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L627] COND TRUE ! pumpRunning [L747] int retValue_acc ; [L748] int tmp ; [L749] int tmp___0 ; [L912] int retValue_acc ; [L915] COND FALSE !(waterLevel < 2) [L919] retValue_acc = 0 [L920] return (retValue_acc); [L753] tmp = isHighWaterSensorDry() [L755] COND FALSE !(\read(tmp)) [L758] tmp___0 = 1 [L760] retValue_acc = tmp___0 [L761] return (retValue_acc); [L629] tmp = isHighWaterLevel() [L631] COND TRUE \read(tmp) [L678] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L668] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L514] int tmp ; [L515] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L519] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L871] int retValue_acc ; [L874] retValue_acc = methaneLevelCritical [L875] return (retValue_acc); [L519] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L519] tmp = isMethaneLevelCritical() [L521] COND TRUE \read(tmp) [L702] int retValue_acc ; [L705] retValue_acc = pumpRunning [L706] return (retValue_acc); [L523] tmp___0 = isPumpRunning() [L525] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L543] __VERIFIER_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 641.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -165.1 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 995.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.5 MB). Peak memory consumption was 77.5 MB. Max. memory is 11.5 GB. * CodeCheck took 4665.71 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 48.8 MB). Free memory was 1.0 GB in the beginning and 975.8 MB in the end (delta: 45.8 MB). Peak memory consumption was 94.6 MB. Max. memory is 11.5 GB. * Witness Printer took 138.45 ms. Allocated memory is still 1.2 GB. Free memory was 975.8 MB in the beginning and 961.3 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...