./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fd6bf55c-f236-4176-b087-c26d522bea56/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_fd6bf55c-f236-4176-b087-c26d522bea56/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fd6bf55c-f236-4176-b087-c26d522bea56/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fd6bf55c-f236-4176-b087-c26d522bea56/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fd6bf55c-f236-4176-b087-c26d522bea56/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fd6bf55c-f236-4176-b087-c26d522bea56/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 72d06b83689108b06d89f4f95641f29fdbb51231 .................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-678e011 [2019-11-20 08:37:59,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 08:37:59,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 08:37:59,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 08:37:59,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 08:37:59,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 08:37:59,956 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 08:37:59,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 08:37:59,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 08:37:59,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 08:37:59,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 08:37:59,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 08:37:59,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 08:37:59,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 08:37:59,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 08:37:59,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 08:37:59,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 08:37:59,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 08:37:59,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 08:37:59,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 08:37:59,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 08:38:00,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 08:38:00,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 08:38:00,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 08:38:00,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 08:38:00,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 08:38:00,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 08:38:00,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 08:38:00,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 08:38:00,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 08:38:00,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 08:38:00,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 08:38:00,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 08:38:00,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 08:38:00,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 08:38:00,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 08:38:00,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 08:38:00,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 08:38:00,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 08:38:00,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 08:38:00,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 08:38:00,019 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fd6bf55c-f236-4176-b087-c26d522bea56/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 08:38:00,044 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 08:38:00,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 08:38:00,045 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 08:38:00,045 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 08:38:00,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 08:38:00,046 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 08:38:00,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 08:38:00,047 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 08:38:00,047 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 08:38:00,047 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 08:38:00,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 08:38:00,048 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 08:38:00,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 08:38:00,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 08:38:00,048 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 08:38:00,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 08:38:00,049 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 08:38:00,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 08:38:00,049 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 08:38:00,050 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 08:38:00,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 08:38:00,050 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 08:38:00,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 08:38:00,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 08:38:00,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 08:38:00,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 08:38:00,051 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 08:38:00,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 08:38:00,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 08:38:00,052 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_fd6bf55c-f236-4176-b087-c26d522bea56/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 -> 72d06b83689108b06d89f4f95641f29fdbb51231 [2019-11-20 08:38:00,199 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 08:38:00,211 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 08:38:00,214 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 08:38:00,215 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 08:38:00,216 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 08:38:00,217 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fd6bf55c-f236-4176-b087-c26d522bea56/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c [2019-11-20 08:38:00,284 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fd6bf55c-f236-4176-b087-c26d522bea56/bin/ukojak/data/e9b7a2923/fe4c9307e5474ffa91b8b8004a4d8f11/FLAG9944d2c69 [2019-11-20 08:38:00,716 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 08:38:00,716 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fd6bf55c-f236-4176-b087-c26d522bea56/sv-benchmarks/c/product-lines/minepump_spec1_product54.cil.c [2019-11-20 08:38:00,738 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fd6bf55c-f236-4176-b087-c26d522bea56/bin/ukojak/data/e9b7a2923/fe4c9307e5474ffa91b8b8004a4d8f11/FLAG9944d2c69 [2019-11-20 08:38:01,094 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fd6bf55c-f236-4176-b087-c26d522bea56/bin/ukojak/data/e9b7a2923/fe4c9307e5474ffa91b8b8004a4d8f11 [2019-11-20 08:38:01,097 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 08:38:01,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 08:38:01,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 08:38:01,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 08:38:01,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 08:38:01,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:38:01" (1/1) ... [2019-11-20 08:38:01,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@418b9348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:38:01, skipping insertion in model container [2019-11-20 08:38:01,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:38:01" (1/1) ... [2019-11-20 08:38:01,118 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 08:38:01,168 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 08:38:01,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:38:01,627 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 08:38:01,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:38:01,804 INFO L192 MainTranslator]: Completed translation [2019-11-20 08:38:01,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:38:01 WrapperNode [2019-11-20 08:38:01,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 08:38:01,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 08:38:01,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 08:38:01,806 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 08:38:01,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:38:01" (1/1) ... [2019-11-20 08:38:01,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:38:01" (1/1) ... [2019-11-20 08:38:01,890 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 08:38:01,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 08:38:01,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 08:38:01,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 08:38:01,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:38:01" (1/1) ... [2019-11-20 08:38:01,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:38:01" (1/1) ... [2019-11-20 08:38:01,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:38:01" (1/1) ... [2019-11-20 08:38:01,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:38:01" (1/1) ... [2019-11-20 08:38:01,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:38:01" (1/1) ... [2019-11-20 08:38:01,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:38:01" (1/1) ... [2019-11-20 08:38:01,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:38:01" (1/1) ... [2019-11-20 08:38:01,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 08:38:01,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 08:38:01,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 08:38:01,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 08:38:01,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:38:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd6bf55c-f236-4176-b087-c26d522bea56/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 [2019-11-20 08:38:02,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 08:38:02,024 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-20 08:38:02,024 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-20 08:38:02,026 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-20 08:38:02,026 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-20 08:38:02,026 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 08:38:02,026 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 08:38:02,026 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 08:38:02,027 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 08:38:02,028 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-20 08:38:02,028 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-20 08:38:02,028 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 08:38:02,028 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 08:38:02,028 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-11-20 08:38:02,029 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-11-20 08:38:02,029 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-20 08:38:02,030 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-20 08:38:02,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 08:38:02,030 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 08:38:02,031 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 08:38:02,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 08:38:02,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 08:38:02,968 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 08:38:02,968 INFO L285 CfgBuilder]: Removed 42 assume(true) statements. [2019-11-20 08:38:02,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:38:02 BoogieIcfgContainer [2019-11-20 08:38:02,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 08:38:02,970 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 08:38:02,970 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 08:38:02,982 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 08:38:02,983 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:38:02" (1/1) ... [2019-11-20 08:38:02,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:38:03,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:38:03,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 66 states and 88 transitions. [2019-11-20 08:38:03,042 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2019-11-20 08:38:03,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 08:38:03,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:38:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:38:03,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:38:03,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:38:03,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 66 states and 86 transitions. [2019-11-20 08:38:03,358 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 86 transitions. [2019-11-20 08:38:03,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 08:38:03,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:38:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:38:03,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:38:03,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:38:03,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 68 states and 89 transitions. [2019-11-20 08:38:03,520 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 89 transitions. [2019-11-20 08:38:03,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 08:38:03,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:38:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:38:03,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:38:03,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:38:03,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 81 states and 115 transitions. [2019-11-20 08:38:03,977 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2019-11-20 08:38:03,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 08:38:03,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:38:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:38:04,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:38:04,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:38:04,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 82 states and 116 transitions. [2019-11-20 08:38:04,048 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 116 transitions. [2019-11-20 08:38:04,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 08:38:04,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:38:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:38:04,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:38:05,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:38:05,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 97 states and 148 transitions. [2019-11-20 08:38:05,007 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 148 transitions. [2019-11-20 08:38:05,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 08:38:05,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:38:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:38:05,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:38:05,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:38:05,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 98 states and 149 transitions. [2019-11-20 08:38:05,138 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 149 transitions. [2019-11-20 08:38:05,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 08:38:05,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:38:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:38:05,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 08:38:05,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:38:05,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 103 states and 159 transitions. [2019-11-20 08:38:05,218 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 159 transitions. [2019-11-20 08:38:05,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 08:38:05,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:38:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:38:05,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:38:05,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:38:05,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 105 states and 165 transitions. [2019-11-20 08:38:05,516 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 165 transitions. [2019-11-20 08:38:05,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 08:38:05,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:38:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:38:05,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:38:05,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:38:05,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 107 states and 167 transitions. [2019-11-20 08:38:05,597 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 167 transitions. [2019-11-20 08:38:05,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 08:38:05,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:38:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:38:05,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:38:07,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 08:38:07,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 123 states and 209 transitions. [2019-11-20 08:38:07,639 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 209 transitions. [2019-11-20 08:38:07,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 08:38:07,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 08:38:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:38:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:38:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:38:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:38:08,069 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2019-11-20 08:38:08,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 08:38:08 ImpRootNode [2019-11-20 08:38:08,308 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 08:38:08,309 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 08:38:08,309 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 08:38:08,309 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 08:38:08,310 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:38:02" (3/4) ... [2019-11-20 08:38:08,314 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 08:38:08,456 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fd6bf55c-f236-4176-b087-c26d522bea56/bin/ukojak/witness.graphml [2019-11-20 08:38:08,457 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 08:38:08,459 INFO L168 Benchmark]: Toolchain (without parser) took 7360.49 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 306.2 MB). Free memory was 944.8 MB in the beginning and 1.3 GB in the end (delta: -329.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:38:08,460 INFO L168 Benchmark]: CDTParser took 0.31 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. [2019-11-20 08:38:08,462 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-20 08:38:08,462 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.43 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. [2019-11-20 08:38:08,463 INFO L168 Benchmark]: Boogie Preprocessor took 62.41 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. [2019-11-20 08:38:08,469 INFO L168 Benchmark]: RCFGBuilder took 1015.56 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: 67.5 MB). Peak memory consumption was 67.5 MB. Max. memory is 11.5 GB. [2019-11-20 08:38:08,470 INFO L168 Benchmark]: CodeCheck took 5338.69 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 153.6 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -238.1 MB). Peak memory consumption was 298.7 MB. Max. memory is 11.5 GB. [2019-11-20 08:38:08,471 INFO L168 Benchmark]: Witness Printer took 147.99 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2019-11-20 08:38:08,475 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 10 procedures, 66 locations, 1 error locations. Result: UNSAFE, OverallTime: 5.0s, OverallIterations: 11, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 26036 SDtfs, 8534 SDslu, 15384 SDs, 0 SdLazy, 14008 SolverSat, 5086 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2228 GetRequests, 2139 SyntacticMatches, 19 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2268 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 280 NumberOfCodeBlocks, 280 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 233 ConstructedInterpolants, 0 QuantifiedInterpolants, 14035 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 2/2 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: 216]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L229] int pumpRunning = 0; [L230] int systemActive = 1; [L691] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L889] int waterLevel = 1; [L890] int methaneLevelCritical = 0; [L121] int retValue_acc ; [L122] int tmp ; [L487] int retValue_acc ; [L490] retValue_acc = 1 [L491] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L146] int splverifierCounter ; [L147] int tmp ; [L148] int tmp___0 ; [L149] int tmp___1 ; [L150] int tmp___2 ; [L153] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L155] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L157] COND TRUE splverifierCounter < 4 [L163] tmp = __VERIFIER_nondet_int() [L165] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L167] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L907] COND TRUE waterLevel < 2 [L908] waterLevel = waterLevel + 1 [L167] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L173] tmp___0 = __VERIFIER_nondet_int() [L175] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L177] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L919] COND FALSE !(\read(methaneLevelCritical)) [L922] methaneLevelCritical = 1 [L177] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L183] tmp___2 = __VERIFIER_nondet_int() [L185] COND FALSE !(\read(tmp___2)) [L191] tmp___1 = __VERIFIER_nondet_int() [L193] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L200] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L237] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L244] COND TRUE \read(systemActive) [L318] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L321] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L336] CALL processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L292] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L295] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L310] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L266] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L269] COND TRUE ! pumpRunning [L415] int retValue_acc ; [L416] int tmp ; [L417] int tmp___0 ; [L969] int retValue_acc ; [L972] COND FALSE !(waterLevel < 2) [L976] retValue_acc = 0 [L977] return (retValue_acc); [L421] tmp = isHighWaterSensorDry() [L423] COND FALSE !(\read(tmp)) [L426] tmp___0 = 1 [L428] retValue_acc = tmp___0 [L429] return (retValue_acc); [L271] tmp = isHighWaterLevel() [L273] COND TRUE \read(tmp) [L346] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L310] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L336] RET processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L497] int tmp ; [L498] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L502] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L928] int retValue_acc ; [L931] retValue_acc = methaneLevelCritical [L932] return (retValue_acc); [L502] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L502] tmp = isMethaneLevelCritical() [L504] COND TRUE \read(tmp) [L370] int retValue_acc ; [L373] retValue_acc = pumpRunning [L374] return (retValue_acc); [L506] tmp___0 = isPumpRunning() [L508] 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] [L216] __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 0.31 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 706.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.43 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. * Boogie Preprocessor took 62.41 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 1015.56 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: 67.5 MB). Peak memory consumption was 67.5 MB. Max. memory is 11.5 GB. * CodeCheck took 5338.69 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 153.6 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -238.1 MB). Peak memory consumption was 298.7 MB. Max. memory is 11.5 GB. * Witness Printer took 147.99 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...