./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product33.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9f99e66b-2727-4fd7-a6c5-a4d426e65efe/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9f99e66b-2727-4fd7-a6c5-a4d426e65efe/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9f99e66b-2727-4fd7-a6c5-a4d426e65efe/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9f99e66b-2727-4fd7-a6c5-a4d426e65efe/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product33.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9f99e66b-2727-4fd7-a6c5-a4d426e65efe/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9f99e66b-2727-4fd7-a6c5-a4d426e65efe/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 3e754f75ca06d39e1069a0bad88498ddd2436bb7 ................................................................................................................................................................................................................................................................................................................................................................................................. 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-cad4683 [2019-10-22 10:16:18,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:16:18,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:16:18,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:16:18,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:16:18,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:16:18,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:16:18,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:16:18,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:16:18,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:16:18,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:16:18,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:16:18,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:16:18,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:16:18,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:16:18,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:16:18,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:16:18,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:16:18,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:16:18,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:16:18,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:16:18,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:16:18,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:16:18,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:16:18,944 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:16:18,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:16:18,944 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:16:18,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:16:18,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:16:18,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:16:18,946 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:16:18,947 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:16:18,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:16:18,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:16:18,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:16:18,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:16:18,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:16:18,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:16:18,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:16:18,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:16:18,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:16:18,952 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9f99e66b-2727-4fd7-a6c5-a4d426e65efe/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:16:18,972 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:16:18,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:16:18,973 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:16:18,973 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:16:18,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:16:18,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:16:18,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:16:18,974 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:16:18,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:16:18,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:16:18,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:16:18,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:16:18,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:16:18,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:16:18,975 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:16:18,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:16:18,979 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:16:18,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:16:18,979 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:16:18,979 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:16:18,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:16:18,980 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:16:18,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:16:18,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:16:18,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:16:18,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:16:18,980 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:16:18,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:16:18,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:16:18,981 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/working_dir_9f99e66b-2727-4fd7-a6c5-a4d426e65efe/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 -> 3e754f75ca06d39e1069a0bad88498ddd2436bb7 [2019-10-22 10:16:19,017 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:16:19,030 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:16:19,033 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:16:19,034 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:16:19,034 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:16:19,035 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9f99e66b-2727-4fd7-a6c5-a4d426e65efe/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product33.cil.c [2019-10-22 10:16:19,080 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f99e66b-2727-4fd7-a6c5-a4d426e65efe/bin/ukojak/data/93aa5c897/1140672e0a344a95b270f3b7ceba3117/FLAGe3186019c [2019-10-22 10:16:19,502 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:16:19,503 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9f99e66b-2727-4fd7-a6c5-a4d426e65efe/sv-benchmarks/c/product-lines/minepump_spec1_product33.cil.c [2019-10-22 10:16:19,513 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f99e66b-2727-4fd7-a6c5-a4d426e65efe/bin/ukojak/data/93aa5c897/1140672e0a344a95b270f3b7ceba3117/FLAGe3186019c [2019-10-22 10:16:19,525 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9f99e66b-2727-4fd7-a6c5-a4d426e65efe/bin/ukojak/data/93aa5c897/1140672e0a344a95b270f3b7ceba3117 [2019-10-22 10:16:19,527 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:16:19,528 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:16:19,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:16:19,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:16:19,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:16:19,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:16:19" (1/1) ... [2019-10-22 10:16:19,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fc74767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:19, skipping insertion in model container [2019-10-22 10:16:19,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:16:19" (1/1) ... [2019-10-22 10:16:19,541 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:16:19,577 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:16:19,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:16:19,982 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:16:20,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:16:20,109 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:16:20,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:20 WrapperNode [2019-10-22 10:16:20,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:16:20,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:16:20,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:16:20,110 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:16:20,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:20" (1/1) ... [2019-10-22 10:16:20,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:20" (1/1) ... [2019-10-22 10:16:20,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:16:20,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:16:20,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:16:20,154 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:16:20,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:20" (1/1) ... [2019-10-22 10:16:20,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:20" (1/1) ... [2019-10-22 10:16:20,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:20" (1/1) ... [2019-10-22 10:16:20,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:20" (1/1) ... [2019-10-22 10:16:20,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:20" (1/1) ... [2019-10-22 10:16:20,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:20" (1/1) ... [2019-10-22 10:16:20,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:20" (1/1) ... [2019-10-22 10:16:20,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:16:20,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:16:20,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:16:20,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:16:20,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f99e66b-2727-4fd7-a6c5-a4d426e65efe/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 [2019-10-22 10:16:20,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:16:20,242 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-22 10:16:20,242 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-22 10:16:20,243 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:16:20,243 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:16:20,243 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-22 10:16:20,243 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-22 10:16:20,243 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:16:20,243 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:16:20,243 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:16:20,243 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:16:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:16:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:16:20,244 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:16:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:16:20,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:16:21,101 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:16:21,101 INFO L284 CfgBuilder]: Removed 34 assume(true) statements. [2019-10-22 10:16:21,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:21 BoogieIcfgContainer [2019-10-22 10:16:21,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:16:21,103 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:16:21,103 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:16:21,114 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:16:21,114 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:21" (1/1) ... [2019-10-22 10:16:21,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:16:21,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:21,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2019-10-22 10:16:21,165 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2019-10-22 10:16:21,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:16:21,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:21,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:21,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:21,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 46 states and 58 transitions. [2019-10-22 10:16:21,381 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2019-10-22 10:16:21,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:16:21,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:21,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:21,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:21,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2019-10-22 10:16:21,543 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2019-10-22 10:16:21,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:16:21,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:21,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:21,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:21,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:21,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 57 states and 79 transitions. [2019-10-22 10:16:21,759 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2019-10-22 10:16:21,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 10:16:21,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:21,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:22,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:22,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 68 states and 104 transitions. [2019-10-22 10:16:22,313 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 104 transitions. [2019-10-22 10:16:22,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:16:22,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:22,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:22,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:22,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 70 states and 106 transitions. [2019-10-22 10:16:22,553 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 106 transitions. [2019-10-22 10:16:22,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:16:22,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:22,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:22,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:22,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 71 states and 107 transitions. [2019-10-22 10:16:22,627 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 107 transitions. [2019-10-22 10:16:22,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:16:22,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:22,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:22,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:22,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 72 states and 108 transitions. [2019-10-22 10:16:22,685 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 108 transitions. [2019-10-22 10:16:22,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:16:22,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:22,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:22,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:22,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 73 states and 109 transitions. [2019-10-22 10:16:22,753 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 109 transitions. [2019-10-22 10:16:22,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:16:22,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:22,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:23,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:23,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 89 states and 146 transitions. [2019-10-22 10:16:23,931 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 146 transitions. [2019-10-22 10:16:23,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 10:16:23,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:23,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:24,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:24,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 96 states and 166 transitions. [2019-10-22 10:16:24,542 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 166 transitions. [2019-10-22 10:16:24,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 10:16:24,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:24,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:24,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:24,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 101 states and 176 transitions. [2019-10-22 10:16:24,829 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 176 transitions. [2019-10-22 10:16:24,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:16:24,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:24,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:25,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:25,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 110 states and 192 transitions. [2019-10-22 10:16:25,078 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 192 transitions. [2019-10-22 10:16:25,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:16:25,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:25,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:25,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:25,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 115 states and 199 transitions. [2019-10-22 10:16:25,735 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 199 transitions. [2019-10-22 10:16:25,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:16:25,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:16:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:16:26,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:16:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:16:26,593 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 14 iterations. [2019-10-22 10:16:26,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:16:26 ImpRootNode [2019-10-22 10:16:26,694 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:16:26,695 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:16:26,695 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:16:26,695 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:16:26,695 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:21" (3/4) ... [2019-10-22 10:16:26,698 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:16:26,851 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9f99e66b-2727-4fd7-a6c5-a4d426e65efe/bin/ukojak/witness.graphml [2019-10-22 10:16:26,851 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:16:26,853 INFO L168 Benchmark]: Toolchain (without parser) took 7324.27 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 321.4 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -104.3 MB). Peak memory consumption was 217.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:26,853 INFO L168 Benchmark]: CDTParser took 0.19 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. [2019-10-22 10:16:26,854 INFO L168 Benchmark]: CACSL2BoogieTranslator took 581.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -189.6 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:26,855 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.24 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:26,855 INFO L168 Benchmark]: Boogie Preprocessor took 25.70 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. [2019-10-22 10:16:26,856 INFO L168 Benchmark]: RCFGBuilder took 922.74 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: 80.2 MB). Peak memory consumption was 80.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:26,856 INFO L168 Benchmark]: CodeCheck took 5591.53 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 174.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -20.0 MB). Peak memory consumption was 154.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:26,857 INFO L168 Benchmark]: Witness Printer took 156.44 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:26,860 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 7 procedures, 46 locations, 1 error locations. Result: UNSAFE, OverallTime: 5.4s, OverallIterations: 14, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 175312 SDtfs, 64690 SDslu, 103572 SDs, 0 SdLazy, 102606 SolverSat, 27300 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2591 GetRequests, 2463 SyntacticMatches, 14 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5314 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 321 NumberOfCodeBlocks, 321 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 281 ConstructedInterpolants, 0 QuantifiedInterpolants, 16167 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 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: 410]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L424] int pumpRunning = 0; [L425] int systemActive = 1; [L683] int cleanupTimeShifts = 4; [L806] int waterLevel = 1; [L807] int methaneLevelCritical = 0; [L756] int retValue_acc ; [L757] int tmp ; [L674] int retValue_acc ; [L677] retValue_acc = 1 [L678] return (retValue_acc); [L763] tmp = valid_product() [L765] COND TRUE \read(tmp) [L581] int splverifierCounter ; [L582] int tmp ; [L583] int tmp___0 ; [L584] int tmp___1 ; [L585] int tmp___2 ; [L588] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L590] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L592] COND TRUE splverifierCounter < 4 [L598] tmp = __VERIFIER_nondet_int() [L600] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L602] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L824] COND TRUE waterLevel < 2 [L825] waterLevel = waterLevel + 1 [L602] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L608] tmp___0 = __VERIFIER_nondet_int() [L610] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L612] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L836] COND FALSE !(\read(methaneLevelCritical)) [L839] methaneLevelCritical = 1 [L612] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L618] tmp___2 = __VERIFIER_nondet_int() [L620] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L633] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L432] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L439] COND TRUE \read(systemActive) [L461] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L464] COND TRUE ! pumpRunning [L558] int retValue_acc ; [L559] int tmp ; [L560] int tmp___0 ; [L886] int retValue_acc ; [L889] COND FALSE !(waterLevel < 2) [L893] retValue_acc = 0 [L894] return (retValue_acc); [L564] tmp = isHighWaterSensorDry() [L566] COND FALSE !(\read(tmp)) [L569] tmp___0 = 1 [L571] retValue_acc = tmp___0 [L572] return (retValue_acc); [L466] tmp = isHighWaterLevel() [L468] COND TRUE \read(tmp) [L489] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L780] int tmp ; [L781] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L785] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L845] int retValue_acc ; [L848] retValue_acc = methaneLevelCritical [L849] return (retValue_acc); [L785] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L785] tmp = isMethaneLevelCritical() [L787] COND TRUE \read(tmp) [L513] int retValue_acc ; [L516] retValue_acc = pumpRunning [L517] return (retValue_acc); [L789] tmp___0 = isPumpRunning() [L791] 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] [L410] __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 0.19 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 581.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -189.6 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.24 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.70 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 922.74 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: 80.2 MB). Peak memory consumption was 80.2 MB. Max. memory is 11.5 GB. * CodeCheck took 5591.53 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 174.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -20.0 MB). Peak memory consumption was 154.1 MB. Max. memory is 11.5 GB. * Witness Printer took 156.44 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...