./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product22_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_0ec36071-c691-49f1-83e5-9175d84310b7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0ec36071-c691-49f1-83e5-9175d84310b7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0ec36071-c691-49f1-83e5-9175d84310b7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0ec36071-c691-49f1-83e5-9175d84310b7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product22_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0ec36071-c691-49f1-83e5-9175d84310b7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0ec36071-c691-49f1-83e5-9175d84310b7/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 7879ca98f25531324d15e1db6b1d755ab21e7b97 ...................................................................................................................................................................................................................................................................................................................................................................... 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 22:53:21,153 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 22:53:21,153 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 22:53:21,159 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 22:53:21,160 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 22:53:21,160 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 22:53:21,161 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 22:53:21,161 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 22:53:21,162 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 22:53:21,163 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 22:53:21,163 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 22:53:21,163 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 22:53:21,164 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 22:53:21,164 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 22:53:21,165 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 22:53:21,165 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 22:53:21,165 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 22:53:21,166 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 22:53:21,167 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 22:53:21,168 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 22:53:21,168 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 22:53:21,169 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 22:53:21,170 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 22:53:21,170 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 22:53:21,170 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 22:53:21,171 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 22:53:21,171 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 22:53:21,172 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 22:53:21,172 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 22:53:21,173 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 22:53:21,173 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 22:53:21,173 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 22:53:21,173 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 22:53:21,173 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 22:53:21,174 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 22:53:21,174 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 22:53:21,174 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0ec36071-c691-49f1-83e5-9175d84310b7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 22:53:21,181 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 22:53:21,181 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 22:53:21,182 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 22:53:21,182 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 22:53:21,183 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 22:53:21,183 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 22:53:21,183 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 22:53:21,183 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 22:53:21,183 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 22:53:21,183 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 22:53:21,183 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 22:53:21,183 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 22:53:21,184 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 22:53:21,184 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 22:53:21,184 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 22:53:21,184 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 22:53:21,184 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 22:53:21,184 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 22:53:21,184 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 22:53:21,184 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 22:53:21,185 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 22:53:21,185 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 22:53:21,185 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 22:53:21,185 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 22:53:21,185 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 22:53:21,185 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 22:53:21,185 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 22:53:21,185 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 22:53:21,186 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 22:53:21,186 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_0ec36071-c691-49f1-83e5-9175d84310b7/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 -> 7879ca98f25531324d15e1db6b1d755ab21e7b97 [2018-12-02 22:53:21,203 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 22:53:21,209 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 22:53:21,211 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 22:53:21,212 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 22:53:21,212 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 22:53:21,213 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0ec36071-c691-49f1-83e5-9175d84310b7/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product22_false-unreach-call_false-termination.cil.c [2018-12-02 22:53:21,246 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0ec36071-c691-49f1-83e5-9175d84310b7/bin-2019/ukojak/data/fd3384de1/563e8da1b45e40be89ba5b5ceb98da74/FLAG4d1f9572f [2018-12-02 22:53:21,612 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 22:53:21,613 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0ec36071-c691-49f1-83e5-9175d84310b7/sv-benchmarks/c/product-lines/minepump_spec3_product22_false-unreach-call_false-termination.cil.c [2018-12-02 22:53:21,619 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0ec36071-c691-49f1-83e5-9175d84310b7/bin-2019/ukojak/data/fd3384de1/563e8da1b45e40be89ba5b5ceb98da74/FLAG4d1f9572f [2018-12-02 22:53:21,988 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0ec36071-c691-49f1-83e5-9175d84310b7/bin-2019/ukojak/data/fd3384de1/563e8da1b45e40be89ba5b5ceb98da74 [2018-12-02 22:53:21,991 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 22:53:21,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 22:53:21,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 22:53:21,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 22:53:21,998 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 22:53:21,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:53:21" (1/1) ... [2018-12-02 22:53:22,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67523692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:22, skipping insertion in model container [2018-12-02 22:53:22,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:53:21" (1/1) ... [2018-12-02 22:53:22,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 22:53:22,027 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 22:53:22,172 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 22:53:22,212 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 22:53:22,265 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 22:53:22,280 INFO L195 MainTranslator]: Completed translation [2018-12-02 22:53:22,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:22 WrapperNode [2018-12-02 22:53:22,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 22:53:22,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 22:53:22,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 22:53:22,280 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 22:53:22,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:22" (1/1) ... [2018-12-02 22:53:22,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:22" (1/1) ... [2018-12-02 22:53:22,311 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 22:53:22,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 22:53:22,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 22:53:22,311 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 22:53:22,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:22" (1/1) ... [2018-12-02 22:53:22,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:22" (1/1) ... [2018-12-02 22:53:22,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:22" (1/1) ... [2018-12-02 22:53:22,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:22" (1/1) ... [2018-12-02 22:53:22,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:22" (1/1) ... [2018-12-02 22:53:22,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:22" (1/1) ... [2018-12-02 22:53:22,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:22" (1/1) ... [2018-12-02 22:53:22,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 22:53:22,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 22:53:22,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 22:53:22,329 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 22:53:22,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:53:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0ec36071-c691-49f1-83e5-9175d84310b7/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 22:53:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 22:53:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 22:53:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 22:53:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 22:53:22,361 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 22:53:22,361 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 22:53:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 22:53:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 22:53:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 22:53:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 22:53:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 22:53:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-02 22:53:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-02 22:53:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 22:53:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 22:53:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 22:53:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 22:53:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 22:53:22,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 22:53:22,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 22:53:22,769 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 22:53:22,770 INFO L280 CfgBuilder]: Removed 38 assue(true) statements. [2018-12-02 22:53:22,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:53:22 BoogieIcfgContainer [2018-12-02 22:53:22,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 22:53:22,770 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 22:53:22,771 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 22:53:22,778 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 22:53:22,778 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:53:22" (1/1) ... [2018-12-02 22:53:22,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 22:53:22,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:53:22,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 60 states and 80 transitions. [2018-12-02 22:53:22,813 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2018-12-02 22:53:22,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 22:53:22,817 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:53:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:53:22,952 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 22:53:22,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:53:22,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 78 transitions. [2018-12-02 22:53:22,961 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2018-12-02 22:53:22,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 22:53:22,962 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:53:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:53:23,017 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 22:53:23,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:53:23,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 62 states and 81 transitions. [2018-12-02 22:53:23,044 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2018-12-02 22:53:23,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 22:53:23,045 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:53:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:53:23,131 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 22:53:23,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:53:23,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 77 states and 115 transitions. [2018-12-02 22:53:23,243 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 115 transitions. [2018-12-02 22:53:23,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 22:53:23,244 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:53:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:53:23,300 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 22:53:23,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:53:23,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 87 states and 141 transitions. [2018-12-02 22:53:23,557 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 141 transitions. [2018-12-02 22:53:23,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 22:53:23,558 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:53:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:53:23,708 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 22:53:24,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:53:24,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 101 states and 182 transitions. [2018-12-02 22:53:24,474 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 182 transitions. [2018-12-02 22:53:24,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 22:53:24,476 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:53:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:53:24,495 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 22:53:24,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:53:24,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 104 states and 188 transitions. [2018-12-02 22:53:24,674 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 188 transitions. [2018-12-02 22:53:24,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 22:53:24,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:53:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:53:24,701 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 22:53:24,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:53:24,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 107 states and 197 transitions. [2018-12-02 22:53:24,833 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 197 transitions. [2018-12-02 22:53:24,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 22:53:24,835 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:53:24,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 22:53:24,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 22:53:24,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 22:53:24,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 111 states and 204 transitions. [2018-12-02 22:53:24,888 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 204 transitions. [2018-12-02 22:53:24,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 22:53:24,889 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 22:53:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 22:53:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 22:53:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 22:53:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 22:53:25,026 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2018-12-02 22:53:25,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:53:25 ImpRootNode [2018-12-02 22:53:25,115 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 22:53:25,115 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 22:53:25,116 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 22:53:25,116 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 22:53:25,116 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:53:22" (3/4) ... [2018-12-02 22:53:25,118 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 22:53:25,207 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0ec36071-c691-49f1-83e5-9175d84310b7/bin-2019/ukojak/witness.graphml [2018-12-02 22:53:25,207 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 22:53:25,208 INFO L168 Benchmark]: Toolchain (without parser) took 3216.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -50.5 MB). Peak memory consumption was 95.2 MB. Max. memory is 11.5 GB. [2018-12-02 22:53:25,209 INFO L168 Benchmark]: CDTParser took 0.10 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 22:53:25,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -129.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-12-02 22:53:25,210 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.41 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 22:53:25,210 INFO L168 Benchmark]: Boogie Preprocessor took 17.55 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 22:53:25,210 INFO L168 Benchmark]: RCFGBuilder took 441.60 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 22:53:25,211 INFO L168 Benchmark]: CodeCheck took 2344.79 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 54.5 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -10.0 MB). Peak memory consumption was 44.5 MB. Max. memory is 11.5 GB. [2018-12-02 22:53:25,211 INFO L168 Benchmark]: Witness Printer took 92.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-12-02 22:53:25,213 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 9 procedures, 82 locations, 1 error locations. UNSAFE Result, 2.2s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6964 SDtfs, 2388 SDslu, 5344 SDs, 0 SdLazy, 5060 SolverSat, 1476 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1863 GetRequests, 1772 SyntacticMatches, 1 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2558 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 223 NumberOfCodeBlocks, 223 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 183 ConstructedInterpolants, 0 QuantifiedInterpolants, 11123 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 2/2 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: 140]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L145] int cleanupTimeShifts = 4; [L286] int pumpRunning = 0; [L287] int systemActive = 1; [L709] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L224] int retValue_acc ; [L225] int tmp ; [L273] int retValue_acc ; [L276] retValue_acc = 1 [L277] return (retValue_acc); [L231] tmp = valid_product() [L233] COND TRUE \read(tmp) [L474] int splverifierCounter ; [L475] int tmp ; [L476] int tmp___0 ; [L477] int tmp___1 ; [L478] int tmp___2 ; [L481] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L483] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L485] COND TRUE splverifierCounter < 4 [L491] tmp = __VERIFIER_nondet_int() [L493] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L495] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 [L495] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L501] tmp___0 = __VERIFIER_nondet_int() [L503] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L511] tmp___2 = __VERIFIER_nondet_int() [L513] COND TRUE \read(tmp___2) [L468] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L528] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L294] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L301] COND TRUE \read(systemActive) [L349] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L352] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L367] CALL processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L323] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L326] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L341] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L367] RET processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L907] int tmp ; [L908] int tmp___0 ; [L909] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L913] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L913] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L913] tmp = isMethaneLevelCritical() [L915] COND FALSE !(\read(tmp)) [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); [L919] tmp___0 = getWaterLevel() [L921] COND TRUE tmp___0 == 2 [L401] int retValue_acc ; [L404] retValue_acc = pumpRunning [L405] return (retValue_acc); [L923] tmp___1 = isPumpRunning() [L925] 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] [L140] __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 0.10 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 285.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -129.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.41 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 17.55 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 441.60 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 2344.79 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 54.5 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -10.0 MB). Peak memory consumption was 44.5 MB. Max. memory is 11.5 GB. * Witness Printer took 92.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...