./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product21_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_4c16dad8-2ea5-4c96-abff-a8fa20ccbd57/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4c16dad8-2ea5-4c96-abff-a8fa20ccbd57/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4c16dad8-2ea5-4c96-abff-a8fa20ccbd57/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4c16dad8-2ea5-4c96-abff-a8fa20ccbd57/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product21_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4c16dad8-2ea5-4c96-abff-a8fa20ccbd57/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4c16dad8-2ea5-4c96-abff-a8fa20ccbd57/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 6346ce5eb6334508a32a1216a3fa5c414f15aa87 ........................................................................................................................................................................................................................................................................................................................................................... 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 [2018-12-09 09:59:19,875 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:59:19,876 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:59:19,882 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:59:19,882 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:59:19,883 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:59:19,883 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:59:19,885 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:59:19,886 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:59:19,886 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:59:19,887 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:59:19,887 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:59:19,888 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:59:19,888 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:59:19,889 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:59:19,890 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:59:19,890 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:59:19,892 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:59:19,893 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:59:19,894 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:59:19,895 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:59:19,896 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:59:19,898 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:59:19,898 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:59:19,898 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:59:19,899 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:59:19,899 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:59:19,900 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:59:19,900 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:59:19,901 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:59:19,901 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:59:19,902 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:59:19,902 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:59:19,902 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:59:19,903 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:59:19,903 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:59:19,904 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4c16dad8-2ea5-4c96-abff-a8fa20ccbd57/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 09:59:19,912 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:59:19,912 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:59:19,912 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 09:59:19,913 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 09:59:19,913 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 09:59:19,913 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 09:59:19,914 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:59:19,914 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:59:19,914 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 09:59:19,914 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:59:19,914 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:59:19,914 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 09:59:19,914 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:59:19,915 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 09:59:19,915 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:59:19,915 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:59:19,915 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 09:59:19,915 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 09:59:19,915 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 09:59:19,916 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 09:59:19,916 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:59:19,916 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:59:19,916 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 09:59:19,916 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:59:19,916 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:59:19,917 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 09:59:19,917 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 09:59:19,917 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:59:19,917 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 09:59:19,917 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_4c16dad8-2ea5-4c96-abff-a8fa20ccbd57/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 -> 6346ce5eb6334508a32a1216a3fa5c414f15aa87 [2018-12-09 09:59:19,935 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:59:19,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:59:19,944 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:59:19,944 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:59:19,945 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:59:19,945 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4c16dad8-2ea5-4c96-abff-a8fa20ccbd57/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product21_false-unreach-call_false-termination.cil.c [2018-12-09 09:59:19,981 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4c16dad8-2ea5-4c96-abff-a8fa20ccbd57/bin-2019/ukojak/data/829f1b2e1/91e59eb635e9439e81b69aea0e28c947/FLAGab3888043 [2018-12-09 09:59:20,404 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:59:20,404 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4c16dad8-2ea5-4c96-abff-a8fa20ccbd57/sv-benchmarks/c/product-lines/minepump_spec3_product21_false-unreach-call_false-termination.cil.c [2018-12-09 09:59:20,411 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4c16dad8-2ea5-4c96-abff-a8fa20ccbd57/bin-2019/ukojak/data/829f1b2e1/91e59eb635e9439e81b69aea0e28c947/FLAGab3888043 [2018-12-09 09:59:20,419 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4c16dad8-2ea5-4c96-abff-a8fa20ccbd57/bin-2019/ukojak/data/829f1b2e1/91e59eb635e9439e81b69aea0e28c947 [2018-12-09 09:59:20,421 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:59:20,422 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:59:20,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:59:20,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:59:20,424 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:59:20,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:59:20" (1/1) ... [2018-12-09 09:59:20,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:59:20, skipping insertion in model container [2018-12-09 09:59:20,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:59:20" (1/1) ... [2018-12-09 09:59:20,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:59:20,451 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:59:20,594 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:59:20,633 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:59:20,675 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:59:20,689 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:59:20,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:59:20 WrapperNode [2018-12-09 09:59:20,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:59:20,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:59:20,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:59:20,690 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:59:20,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:59:20" (1/1) ... [2018-12-09 09:59:20,704 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:59:20" (1/1) ... [2018-12-09 09:59:20,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:59:20,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:59:20,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:59:20,721 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:59:20,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:59:20" (1/1) ... [2018-12-09 09:59:20,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:59:20" (1/1) ... [2018-12-09 09:59:20,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:59:20" (1/1) ... [2018-12-09 09:59:20,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:59:20" (1/1) ... [2018-12-09 09:59:20,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:59:20" (1/1) ... [2018-12-09 09:59:20,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:59:20" (1/1) ... [2018-12-09 09:59:20,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:59:20" (1/1) ... [2018-12-09 09:59:20,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:59:20,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:59:20,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:59:20,739 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:59:20,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:59:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4c16dad8-2ea5-4c96-abff-a8fa20ccbd57/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 [2018-12-09 09:59:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 09:59:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 09:59:20,772 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 09:59:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 09:59:20,772 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 09:59:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 09:59:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 09:59:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 09:59:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 09:59:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 09:59:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 09:59:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 09:59:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 09:59:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 09:59:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 09:59:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 09:59:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 09:59:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 09:59:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:59:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:59:21,235 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:59:21,235 INFO L280 CfgBuilder]: Removed 36 assue(true) statements. [2018-12-09 09:59:21,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:59:21 BoogieIcfgContainer [2018-12-09 09:59:21,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:59:21,236 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 09:59:21,236 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 09:59:21,246 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 09:59:21,246 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:59:21" (1/1) ... [2018-12-09 09:59:21,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:59:21,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:59:21,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 60 states and 80 transitions. [2018-12-09 09:59:21,288 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2018-12-09 09:59:21,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 09:59:21,292 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:59:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:59:21,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:59:21,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:59:21,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 78 transitions. [2018-12-09 09:59:21,408 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2018-12-09 09:59:21,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 09:59:21,408 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:59:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:59:21,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:59:21,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:59:21,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 62 states and 81 transitions. [2018-12-09 09:59:21,473 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2018-12-09 09:59:21,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 09:59:21,473 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:59:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:59:21,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:59:21,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:59:21,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 98 transitions. [2018-12-09 09:59:21,607 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2018-12-09 09:59:21,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 09:59:21,608 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:59:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:59:21,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:59:21,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:59:21,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 72 states and 99 transitions. [2018-12-09 09:59:21,651 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2018-12-09 09:59:21,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 09:59:21,653 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:59:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:59:21,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:59:21,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:59:21,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 100 transitions. [2018-12-09 09:59:21,699 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2018-12-09 09:59:21,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 09:59:21,700 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:59:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:59:21,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:59:22,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:59:22,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 89 states and 135 transitions. [2018-12-09 09:59:22,089 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 135 transitions. [2018-12-09 09:59:22,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 09:59:22,091 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:59:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:59:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:59:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:59:22,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:59:22,274 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2018-12-09 09:59:22,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 09:59:22 ImpRootNode [2018-12-09 09:59:22,338 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 09:59:22,339 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:59:22,339 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:59:22,339 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:59:22,339 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:59:21" (3/4) ... [2018-12-09 09:59:22,341 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 09:59:22,401 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4c16dad8-2ea5-4c96-abff-a8fa20ccbd57/bin-2019/ukojak/witness.graphml [2018-12-09 09:59:22,401 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:59:22,401 INFO L168 Benchmark]: Toolchain (without parser) took 1980.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 951.7 MB in the beginning and 802.4 MB in the end (delta: 149.3 MB). Peak memory consumption was 271.9 MB. Max. memory is 11.5 GB. [2018-12-09 09:59:22,402 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. [2018-12-09 09:59:22,402 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -158.0 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. [2018-12-09 09:59:22,403 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 09:59:22,403 INFO L168 Benchmark]: Boogie Preprocessor took 18.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:59:22,403 INFO L168 Benchmark]: RCFGBuilder took 496.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.5 MB). Peak memory consumption was 82.5 MB. Max. memory is 11.5 GB. [2018-12-09 09:59:22,404 INFO L168 Benchmark]: CodeCheck took 1102.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 813.0 MB in the end (delta: 210.7 MB). Peak memory consumption was 210.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:59:22,404 INFO L168 Benchmark]: Witness Printer took 62.25 ms. Allocated memory is still 1.2 GB. Free memory was 813.0 MB in the beginning and 802.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. [2018-12-09 09:59:22,405 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, 1.0s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1470 SDtfs, 388 SDslu, 648 SDs, 0 SdLazy, 574 SolverSat, 174 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1029 GetRequests, 997 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 124 ConstructedInterpolants, 0 QuantifiedInterpolants, 6645 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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: 598]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L415] int pumpRunning = 0; [L416] int systemActive = 1; [L672] int waterLevel = 1; [L673] int methaneLevelCritical = 0; [L761] int cleanupTimeShifts = 4; [L837] int retValue_acc ; [L838] int tmp ; [L920] int retValue_acc ; [L923] retValue_acc = 1 [L924] return (retValue_acc); [L844] tmp = valid_product() [L846] COND TRUE \read(tmp) [L607] int splverifierCounter ; [L608] int tmp ; [L609] int tmp___0 ; [L610] int tmp___1 ; [L611] int tmp___2 ; [L614] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L616] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L618] COND TRUE splverifierCounter < 4 [L624] tmp = __VERIFIER_nondet_int() [L626] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L628] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L690] COND TRUE waterLevel < 2 [L691] waterLevel = waterLevel + 1 [L628] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L634] tmp___0 = __VERIFIER_nondet_int() [L636] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L644] tmp___2 = __VERIFIER_nondet_int() [L646] COND FALSE !(\read(tmp___2)) [L650] tmp___1 = __VERIFIER_nondet_int() [L652] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L659] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L423] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L430] COND TRUE \read(systemActive) [L478] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L481] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L496] CALL processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L452] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L455] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L470] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L496] RET processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L861] int tmp ; [L862] int tmp___0 ; [L863] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L867] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L711] int retValue_acc ; [L714] retValue_acc = methaneLevelCritical [L715] return (retValue_acc); [L867] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L867] tmp = isMethaneLevelCritical() [L869] COND FALSE !(\read(tmp)) [L743] int retValue_acc ; [L746] retValue_acc = waterLevel [L747] return (retValue_acc); [L873] tmp___0 = getWaterLevel() [L875] COND TRUE tmp___0 == 2 [L530] int retValue_acc ; [L533] retValue_acc = pumpRunning [L534] return (retValue_acc); [L877] tmp___1 = isPumpRunning() [L879] 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] [L598] __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 267.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -158.0 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 496.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.5 MB). Peak memory consumption was 82.5 MB. Max. memory is 11.5 GB. * CodeCheck took 1102.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 813.0 MB in the end (delta: 210.7 MB). Peak memory consumption was 210.7 MB. Max. memory is 11.5 GB. * Witness Printer took 62.25 ms. Allocated memory is still 1.2 GB. Free memory was 813.0 MB in the beginning and 802.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...