./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_31cc46b3-81da-4d56-9ca1-2fd23cfc3d73/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_31cc46b3-81da-4d56-9ca1-2fd23cfc3d73/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_31cc46b3-81da-4d56-9ca1-2fd23cfc3d73/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_31cc46b3-81da-4d56-9ca1-2fd23cfc3d73/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product24.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_31cc46b3-81da-4d56-9ca1-2fd23cfc3d73/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_31cc46b3-81da-4d56-9ca1-2fd23cfc3d73/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 609efdf4f988170ff745a87fec8ed7ede6211079 ................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:33:15,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:33:15,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:33:16,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:33:16,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:33:16,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:33:16,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:33:16,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:33:16,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:33:16,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:33:16,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:33:16,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:33:16,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:33:16,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:33:16,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:33:16,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:33:16,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:33:16,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:33:16,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:33:16,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:33:16,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:33:16,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:33:16,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:33:16,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:33:16,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:33:16,111 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:33:16,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:33:16,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:33:16,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:33:16,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:33:16,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:33:16,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:33:16,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:33:16,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:33:16,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:33:16,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:33:16,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:33:16,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:33:16,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:33:16,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:33:16,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:33:16,124 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_31cc46b3-81da-4d56-9ca1-2fd23cfc3d73/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:33:16,155 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:33:16,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:33:16,156 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:33:16,156 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:33:16,157 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:33:16,157 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:33:16,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:33:16,158 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:33:16,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:33:16,158 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:33:16,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:33:16,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:33:16,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:33:16,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:33:16,159 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:33:16,160 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:33:16,160 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:33:16,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:33:16,160 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:33:16,160 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:33:16,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:33:16,161 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:33:16,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:33:16,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:33:16,161 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:33:16,162 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:33:16,171 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:33:16,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:33:16,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:33:16,172 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_31cc46b3-81da-4d56-9ca1-2fd23cfc3d73/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_31cc46b3-81da-4d56-9ca1-2fd23cfc3d73/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 609efdf4f988170ff745a87fec8ed7ede6211079 [2020-11-28 04:33:16,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:33:16,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:33:16,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:33:16,493 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:33:16,495 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:33:16,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_31cc46b3-81da-4d56-9ca1-2fd23cfc3d73/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product24.cil.c [2020-11-28 04:33:16,567 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_31cc46b3-81da-4d56-9ca1-2fd23cfc3d73/bin/ukojak/data/a0db3d4f6/903c506dfd0a406da0f889821e7b307a/FLAGb58d4d862 [2020-11-28 04:33:17,099 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:33:17,100 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_31cc46b3-81da-4d56-9ca1-2fd23cfc3d73/sv-benchmarks/c/product-lines/minepump_spec3_product24.cil.c [2020-11-28 04:33:17,114 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_31cc46b3-81da-4d56-9ca1-2fd23cfc3d73/bin/ukojak/data/a0db3d4f6/903c506dfd0a406da0f889821e7b307a/FLAGb58d4d862 [2020-11-28 04:33:17,394 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_31cc46b3-81da-4d56-9ca1-2fd23cfc3d73/bin/ukojak/data/a0db3d4f6/903c506dfd0a406da0f889821e7b307a [2020-11-28 04:33:17,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:33:17,398 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:33:17,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:33:17,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:33:17,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:33:17,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:33:17" (1/1) ... [2020-11-28 04:33:17,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43a2838d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:17, skipping insertion in model container [2020-11-28 04:33:17,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:33:17" (1/1) ... [2020-11-28 04:33:17,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:33:17,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:33:17,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:33:17,961 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:33:18,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:33:18,125 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:33:18,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:18 WrapperNode [2020-11-28 04:33:18,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:33:18,127 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:33:18,127 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:33:18,128 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:33:18,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:18" (1/1) ... [2020-11-28 04:33:18,156 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:18" (1/1) ... [2020-11-28 04:33:18,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:33:18,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:33:18,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:33:18,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:33:18,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:18" (1/1) ... [2020-11-28 04:33:18,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:18" (1/1) ... [2020-11-28 04:33:18,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:18" (1/1) ... [2020-11-28 04:33:18,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:18" (1/1) ... [2020-11-28 04:33:18,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:18" (1/1) ... [2020-11-28 04:33:18,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:18" (1/1) ... [2020-11-28 04:33:18,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:18" (1/1) ... [2020-11-28 04:33:18,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:33:18,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:33:18,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:33:18,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:33:18,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_31cc46b3-81da-4d56-9ca1-2fd23cfc3d73/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 [2020-11-28 04:33:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:33:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:33:18,331 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:33:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:33:18,331 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:33:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:33:18,332 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:33:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:33:18,332 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:33:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:33:18,332 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:33:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-28 04:33:18,332 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-28 04:33:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:33:18,332 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:33:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:33:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:33:18,333 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:33:18,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:33:18,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:33:19,864 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:33:19,864 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-11-28 04:33:19,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:19 BoogieIcfgContainer [2020-11-28 04:33:19,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:33:19,867 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:33:19,868 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:33:19,881 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:33:19,882 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:19" (1/1) ... [2020-11-28 04:33:19,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:33:19,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:19,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 65 states and 89 transitions. [2020-11-28 04:33:19,958 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2020-11-28 04:33:19,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:33:19,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:20,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:20,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:20,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 65 states and 87 transitions. [2020-11-28 04:33:20,198 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2020-11-28 04:33:20,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:33:20,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:20,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:20,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:20,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 67 states and 90 transitions. [2020-11-28 04:33:20,358 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2020-11-28 04:33:20,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:33:20,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:20,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:20,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:20,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 70 states and 96 transitions. [2020-11-28 04:33:20,645 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2020-11-28 04:33:20,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:33:20,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:20,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:21,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:21,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 78 states and 110 transitions. [2020-11-28 04:33:21,048 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2020-11-28 04:33:21,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:33:21,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:21,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:21,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:21,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 79 states and 111 transitions. [2020-11-28 04:33:21,153 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2020-11-28 04:33:21,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:33:21,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:21,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:22,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:22,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 97 states and 150 transitions. [2020-11-28 04:33:22,220 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 150 transitions. [2020-11-28 04:33:22,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:33:22,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:22,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:22,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:22,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 98 states and 151 transitions. [2020-11-28 04:33:22,277 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 151 transitions. [2020-11-28 04:33:22,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:33:22,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:22,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:24,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:24,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 116 states and 193 transitions. [2020-11-28 04:33:24,702 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 193 transitions. [2020-11-28 04:33:24,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:33:24,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:33:24,834 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:33:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:33:24,902 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:33:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:33:25,124 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:33:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:33:25,210 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:33:25,325 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2020-11-28 04:33:25,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:33:25 ImpRootNode [2020-11-28 04:33:25,526 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:33:25,527 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:33:25,528 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:33:25,528 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:33:25,529 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:19" (3/4) ... [2020-11-28 04:33:25,531 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:33:25,665 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_31cc46b3-81da-4d56-9ca1-2fd23cfc3d73/bin/ukojak/witness.graphml [2020-11-28 04:33:25,665 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:33:25,667 INFO L168 Benchmark]: Toolchain (without parser) took 8268.65 ms. Allocated memory was 83.9 MB in the beginning and 146.8 MB in the end (delta: 62.9 MB). Free memory was 41.8 MB in the beginning and 43.9 MB in the end (delta: -2.0 MB). Peak memory consumption was 59.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:25,669 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory is still 58.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:33:25,670 INFO L168 Benchmark]: CACSL2BoogieTranslator took 723.86 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 41.6 MB in the beginning and 60.9 MB in the end (delta: -19.3 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:25,671 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.46 ms. Allocated memory is still 100.7 MB. Free memory was 60.9 MB in the beginning and 58.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:25,672 INFO L168 Benchmark]: Boogie Preprocessor took 34.35 ms. Allocated memory is still 100.7 MB. Free memory was 58.5 MB in the beginning and 56.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:25,674 INFO L168 Benchmark]: RCFGBuilder took 1629.13 ms. Allocated memory is still 100.7 MB. Free memory was 56.4 MB in the beginning and 68.9 MB in the end (delta: -12.5 MB). Peak memory consumption was 29.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:25,675 INFO L168 Benchmark]: CodeCheck took 5659.10 ms. Allocated memory was 100.7 MB in the beginning and 146.8 MB in the end (delta: 46.1 MB). Free memory was 68.9 MB in the beginning and 55.4 MB in the end (delta: 13.5 MB). Peak memory consumption was 59.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:25,675 INFO L168 Benchmark]: Witness Printer took 138.69 ms. Allocated memory is still 146.8 MB. Free memory was 55.4 MB in the beginning and 43.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:25,679 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.4s, OverallIterations: 9, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6072 SDtfs, 1376 SDslu, 2516 SDs, 0 SdLazy, 2388 SolverSat, 848 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1532 GetRequests, 1432 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3479 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 171 ConstructedInterpolants, 0 QuantifiedInterpolants, 10350 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L62] int pumpRunning = 0; [L63] int systemActive = 1; [L371] int cleanupTimeShifts = 4; [L639] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L836] int waterLevel = 1; [L837] int methaneLevelCritical = 0; [L447] int retValue_acc ; [L448] int tmp ; [L951] int retValue_acc ; [L954] retValue_acc = 1 [L955] return (retValue_acc); [L454] tmp = valid_product() [L456] COND TRUE \read(tmp) [L268] int splverifierCounter ; [L269] int tmp ; [L270] int tmp___0 ; [L271] int tmp___1 ; [L272] int tmp___2 ; [L275] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L277] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L279] COND TRUE splverifierCounter < 4 [L285] tmp = __VERIFIER_nondet_int() [L287] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L289] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L854] COND TRUE waterLevel < 2 [L855] waterLevel = waterLevel + 1 [L289] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L295] tmp___0 = __VERIFIER_nondet_int() [L297] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L305] tmp___2 = __VERIFIER_nondet_int() [L307] COND FALSE !(\read(tmp___2)) [L313] tmp___1 = __VERIFIER_nondet_int() [L315] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L244] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L251] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L324] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L70] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L77] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L338] int tmp ; [L339] int tmp___0 ; [L340] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L344] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L875] int retValue_acc ; [L878] retValue_acc = methaneLevelCritical [L879] return (retValue_acc); [L344] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L344] tmp = isMethaneLevelCritical() [L346] COND FALSE !(\read(tmp)) [L907] int retValue_acc ; [L910] retValue_acc = waterLevel [L911] return (retValue_acc); [L350] tmp___0 = getWaterLevel() [L352] COND TRUE tmp___0 == 2 [L177] int retValue_acc ; [L180] retValue_acc = pumpRunning [L181] return (retValue_acc); [L354] tmp___1 = isPumpRunning() [L356] COND FALSE !(\read(tmp___1)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product24.cil.c", 3, "reach_error") VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory is still 58.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 723.86 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 41.6 MB in the beginning and 60.9 MB in the end (delta: -19.3 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.46 ms. Allocated memory is still 100.7 MB. Free memory was 60.9 MB in the beginning and 58.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.35 ms. Allocated memory is still 100.7 MB. Free memory was 58.5 MB in the beginning and 56.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1629.13 ms. Allocated memory is still 100.7 MB. Free memory was 56.4 MB in the beginning and 68.9 MB in the end (delta: -12.5 MB). Peak memory consumption was 29.3 MB. Max. memory is 16.1 GB. * CodeCheck took 5659.10 ms. Allocated memory was 100.7 MB in the beginning and 146.8 MB in the end (delta: 46.1 MB). Free memory was 68.9 MB in the beginning and 55.4 MB in the end (delta: 13.5 MB). Peak memory consumption was 59.4 MB. Max. memory is 16.1 GB. * Witness Printer took 138.69 ms. Allocated memory is still 146.8 MB. Free memory was 55.4 MB in the beginning and 43.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...