./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product14_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c677a917-a7ab-4998-a1ff-5ee121af795a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c677a917-a7ab-4998-a1ff-5ee121af795a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c677a917-a7ab-4998-a1ff-5ee121af795a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c677a917-a7ab-4998-a1ff-5ee121af795a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product14_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c677a917-a7ab-4998-a1ff-5ee121af795a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c677a917-a7ab-4998-a1ff-5ee121af795a/bin-2019/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 f8bd2b9cdfe426b4b4e5d96ef145364b2303f1ae ........................................................................................................................................................................................................................................................................................................................................ 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 0.1.23-635dfa2 [2018-12-02 08:57:16,130 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 08:57:16,131 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 08:57:16,137 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 08:57:16,137 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 08:57:16,138 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 08:57:16,139 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 08:57:16,140 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 08:57:16,140 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 08:57:16,141 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 08:57:16,141 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 08:57:16,141 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 08:57:16,142 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 08:57:16,142 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 08:57:16,143 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 08:57:16,143 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 08:57:16,144 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 08:57:16,145 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 08:57:16,145 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 08:57:16,146 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 08:57:16,147 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 08:57:16,147 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 08:57:16,148 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 08:57:16,148 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 08:57:16,149 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 08:57:16,149 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 08:57:16,150 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 08:57:16,150 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 08:57:16,150 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 08:57:16,151 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 08:57:16,151 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 08:57:16,152 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 08:57:16,152 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 08:57:16,152 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 08:57:16,152 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 08:57:16,153 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 08:57:16,153 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c677a917-a7ab-4998-a1ff-5ee121af795a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 08:57:16,160 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 08:57:16,160 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 08:57:16,161 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 08:57:16,161 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 08:57:16,161 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 08:57:16,161 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 08:57:16,161 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 08:57:16,161 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 08:57:16,162 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 08:57:16,162 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 08:57:16,162 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 08:57:16,162 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 08:57:16,162 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 08:57:16,162 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 08:57:16,162 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 08:57:16,162 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 08:57:16,163 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 08:57:16,163 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 08:57:16,163 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 08:57:16,163 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 08:57:16,163 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 08:57:16,163 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 08:57:16,163 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 08:57:16,164 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 08:57:16,164 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 08:57:16,164 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 08:57:16,164 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 08:57:16,164 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 08:57:16,164 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 08:57:16,164 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_c677a917-a7ab-4998-a1ff-5ee121af795a/bin-2019/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 -> f8bd2b9cdfe426b4b4e5d96ef145364b2303f1ae [2018-12-02 08:57:16,181 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 08:57:16,188 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 08:57:16,190 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 08:57:16,191 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 08:57:16,191 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 08:57:16,191 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c677a917-a7ab-4998-a1ff-5ee121af795a/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product14_false-unreach-call_false-termination.cil.c [2018-12-02 08:57:16,227 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c677a917-a7ab-4998-a1ff-5ee121af795a/bin-2019/ukojak/data/9a4a7aa92/5254c1840949436e964a6a8bf128f069/FLAG200efc21b [2018-12-02 08:57:16,594 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 08:57:16,595 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c677a917-a7ab-4998-a1ff-5ee121af795a/sv-benchmarks/c/product-lines/minepump_spec3_product14_false-unreach-call_false-termination.cil.c [2018-12-02 08:57:16,600 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c677a917-a7ab-4998-a1ff-5ee121af795a/bin-2019/ukojak/data/9a4a7aa92/5254c1840949436e964a6a8bf128f069/FLAG200efc21b [2018-12-02 08:57:16,956 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c677a917-a7ab-4998-a1ff-5ee121af795a/bin-2019/ukojak/data/9a4a7aa92/5254c1840949436e964a6a8bf128f069 [2018-12-02 08:57:16,958 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 08:57:16,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 08:57:16,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 08:57:16,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 08:57:16,964 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 08:57:16,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:57:16" (1/1) ... [2018-12-02 08:57:16,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c1a3593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:57:16, skipping insertion in model container [2018-12-02 08:57:16,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:57:16" (1/1) ... [2018-12-02 08:57:16,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 08:57:16,996 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 08:57:17,156 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:57:17,163 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 08:57:17,246 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:57:17,260 INFO L195 MainTranslator]: Completed translation [2018-12-02 08:57:17,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:57:17 WrapperNode [2018-12-02 08:57:17,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 08:57:17,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 08:57:17,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 08:57:17,261 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 08:57:17,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:57:17" (1/1) ... [2018-12-02 08:57:17,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:57:17" (1/1) ... [2018-12-02 08:57:17,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 08:57:17,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 08:57:17,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 08:57:17,292 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 08:57:17,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:57:17" (1/1) ... [2018-12-02 08:57:17,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:57:17" (1/1) ... [2018-12-02 08:57:17,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:57:17" (1/1) ... [2018-12-02 08:57:17,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:57:17" (1/1) ... [2018-12-02 08:57:17,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:57:17" (1/1) ... [2018-12-02 08:57:17,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:57:17" (1/1) ... [2018-12-02 08:57:17,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:57:17" (1/1) ... [2018-12-02 08:57:17,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 08:57:17,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 08:57:17,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 08:57:17,310 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 08:57:17,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:57:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c677a917-a7ab-4998-a1ff-5ee121af795a/bin-2019/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 [2018-12-02 08:57:17,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 08:57:17,345 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 08:57:17,345 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 08:57:17,345 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 08:57:17,345 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 08:57:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 08:57:17,346 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 08:57:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 08:57:17,346 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 08:57:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 08:57:17,346 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 08:57:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 08:57:17,346 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 08:57:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 08:57:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 08:57:17,346 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 08:57:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 08:57:17,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 08:57:17,769 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 08:57:17,769 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-12-02 08:57:17,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:57:17 BoogieIcfgContainer [2018-12-02 08:57:17,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 08:57:17,770 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 08:57:17,770 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 08:57:17,777 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 08:57:17,777 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:57:17" (1/1) ... [2018-12-02 08:57:17,784 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:57:17,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:57:17,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2018-12-02 08:57:17,807 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2018-12-02 08:57:17,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 08:57:17,811 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:57:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:57:17,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:57:17,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:57:17,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2018-12-02 08:57:17,923 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2018-12-02 08:57:17,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 08:57:17,924 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:57:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:57:17,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:57:17,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:57:17,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2018-12-02 08:57:17,994 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2018-12-02 08:57:17,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 08:57:17,994 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:57:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:57:18,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:57:18,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:57:18,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 69 states and 102 transitions. [2018-12-02 08:57:18,152 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2018-12-02 08:57:18,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 08:57:18,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:57:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:57:18,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:57:18,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:57:18,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 79 states and 128 transitions. [2018-12-02 08:57:18,457 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 128 transitions. [2018-12-02 08:57:18,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 08:57:18,459 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:57:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:57:18,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:57:19,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 08:57:19,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 93 states and 169 transitions. [2018-12-02 08:57:19,372 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 169 transitions. [2018-12-02 08:57:19,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 08:57:19,373 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 08:57:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:57:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:57:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:57:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:57:19,524 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2018-12-02 08:57:19,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 08:57:19 ImpRootNode [2018-12-02 08:57:19,602 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 08:57:19,603 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 08:57:19,603 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 08:57:19,603 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 08:57:19,603 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:57:17" (3/4) ... [2018-12-02 08:57:19,605 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 08:57:19,682 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c677a917-a7ab-4998-a1ff-5ee121af795a/bin-2019/ukojak/witness.graphml [2018-12-02 08:57:19,683 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 08:57:19,683 INFO L168 Benchmark]: Toolchain (without parser) took 2724.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -194.6 MB). Peak memory consumption was 220.3 MB. Max. memory is 11.5 GB. [2018-12-02 08:57:19,684 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:57:19,684 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -127.9 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-02 08:57:19,685 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 08:57:19,685 INFO L168 Benchmark]: Boogie Preprocessor took 17.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 08:57:19,685 INFO L168 Benchmark]: RCFGBuilder took 459.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. [2018-12-02 08:57:19,686 INFO L168 Benchmark]: CodeCheck took 1832.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 825.6 MB in the end (delta: 175.7 MB). Peak memory consumption was 175.7 MB. Max. memory is 11.5 GB. [2018-12-02 08:57:19,686 INFO L168 Benchmark]: Witness Printer took 80.06 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 60.3 MB). Free memory was 825.6 MB in the beginning and 1.1 GB in the end (delta: -318.6 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2018-12-02 08:57:19,688 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 70 locations, 1 error locations. UNSAFE Result, 1.7s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 856 SDtfs, 288 SDslu, 648 SDs, 0 SdLazy, 570 SolverSat, 162 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 912 GetRequests, 834 SyntacticMatches, 2 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1857 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 4601 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L131] int pumpRunning = 0; [L132] int systemActive = 1; [L458] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L725] int cleanupTimeShifts = 4; [L821] int waterLevel = 1; [L822] int methaneLevelCritical = 0; [L798] int retValue_acc ; [L799] int tmp ; [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] return (retValue_acc); [L805] tmp = valid_product() [L807] COND TRUE \read(tmp) [L659] int splverifierCounter ; [L660] int tmp ; [L661] int tmp___0 ; [L662] int tmp___1 ; [L663] int tmp___2 ; [L666] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L668] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L670] COND TRUE splverifierCounter < 4 [L676] tmp = __VERIFIER_nondet_int() [L678] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L680] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L839] COND TRUE waterLevel < 2 [L840] waterLevel = waterLevel + 1 [L680] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L686] tmp___0 = __VERIFIER_nondet_int() [L688] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L696] tmp___2 = __VERIFIER_nondet_int() [L698] COND FALSE !(\read(tmp___2)) [L704] tmp___1 = __VERIFIER_nondet_int() [L706] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L713] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L138] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L145] COND TRUE \read(systemActive) [L167] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L170] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L185] FCALL processEnvironment__wrappee__methaneQuery() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L91] int tmp ; [L92] int tmp___0 ; [L93] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L97] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L860] int retValue_acc ; [L863] retValue_acc = methaneLevelCritical [L864] return (retValue_acc); [L97] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L97] tmp = isMethaneLevelCritical() [L99] COND FALSE !(\read(tmp)) [L892] int retValue_acc ; [L895] retValue_acc = waterLevel [L896] return (retValue_acc); [L103] tmp___0 = getWaterLevel() [L105] COND TRUE tmp___0 == 2 [L236] int retValue_acc ; [L239] retValue_acc = pumpRunning [L240] return (retValue_acc); [L107] tmp___1 = isPumpRunning() [L109] COND FALSE !(\read(tmp___1)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L44] __VERIFIER_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 300.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -127.9 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 459.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. * CodeCheck took 1832.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 825.6 MB in the end (delta: 175.7 MB). Peak memory consumption was 175.7 MB. Max. memory is 11.5 GB. * Witness Printer took 80.06 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 60.3 MB). Free memory was 825.6 MB in the beginning and 1.1 GB in the end (delta: -318.6 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...