./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product06_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_7585675b-4562-44fd-a68b-c6d3bbecdaad/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7585675b-4562-44fd-a68b-c6d3bbecdaad/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7585675b-4562-44fd-a68b-c6d3bbecdaad/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7585675b-4562-44fd-a68b-c6d3bbecdaad/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product06_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7585675b-4562-44fd-a68b-c6d3bbecdaad/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7585675b-4562-44fd-a68b-c6d3bbecdaad/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 c762bce629f36cf7371b941fff55f6d65cb160f7 ............................................................................................................................................................................................................................................................................................................................................... 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 [2018-12-08 19:39:55,142 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 19:39:55,143 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 19:39:55,149 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 19:39:55,149 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 19:39:55,149 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 19:39:55,150 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 19:39:55,150 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 19:39:55,151 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 19:39:55,152 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 19:39:55,152 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 19:39:55,152 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 19:39:55,153 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 19:39:55,153 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 19:39:55,154 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 19:39:55,154 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 19:39:55,154 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 19:39:55,155 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 19:39:55,156 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 19:39:55,157 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 19:39:55,157 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 19:39:55,158 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 19:39:55,159 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 19:39:55,159 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 19:39:55,159 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 19:39:55,159 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 19:39:55,160 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 19:39:55,160 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 19:39:55,161 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 19:39:55,161 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 19:39:55,161 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 19:39:55,162 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 19:39:55,162 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 19:39:55,162 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 19:39:55,162 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 19:39:55,163 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 19:39:55,163 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7585675b-4562-44fd-a68b-c6d3bbecdaad/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 19:39:55,170 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 19:39:55,170 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 19:39:55,170 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 19:39:55,170 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 19:39:55,171 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 19:39:55,171 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 19:39:55,171 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 19:39:55,171 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 19:39:55,171 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 19:39:55,171 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 19:39:55,171 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 19:39:55,171 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 19:39:55,171 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 19:39:55,172 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 19:39:55,172 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 19:39:55,172 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 19:39:55,172 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 19:39:55,172 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 19:39:55,172 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 19:39:55,172 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 19:39:55,172 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 19:39:55,172 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 19:39:55,172 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 19:39:55,172 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 19:39:55,172 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 19:39:55,172 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 19:39:55,173 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 19:39:55,173 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 19:39:55,173 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 19:39:55,173 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_7585675b-4562-44fd-a68b-c6d3bbecdaad/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 -> c762bce629f36cf7371b941fff55f6d65cb160f7 [2018-12-08 19:39:55,190 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 19:39:55,199 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 19:39:55,202 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 19:39:55,203 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 19:39:55,203 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 19:39:55,203 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7585675b-4562-44fd-a68b-c6d3bbecdaad/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product06_false-unreach-call_false-termination.cil.c [2018-12-08 19:39:55,239 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7585675b-4562-44fd-a68b-c6d3bbecdaad/bin-2019/ukojak/data/c0d68e2c5/f0da0a6ef7c843ba966ecabcdd0180e4/FLAG95b4b2049 [2018-12-08 19:39:55,576 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 19:39:55,576 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7585675b-4562-44fd-a68b-c6d3bbecdaad/sv-benchmarks/c/product-lines/minepump_spec3_product06_false-unreach-call_false-termination.cil.c [2018-12-08 19:39:55,582 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7585675b-4562-44fd-a68b-c6d3bbecdaad/bin-2019/ukojak/data/c0d68e2c5/f0da0a6ef7c843ba966ecabcdd0180e4/FLAG95b4b2049 [2018-12-08 19:39:55,969 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7585675b-4562-44fd-a68b-c6d3bbecdaad/bin-2019/ukojak/data/c0d68e2c5/f0da0a6ef7c843ba966ecabcdd0180e4 [2018-12-08 19:39:55,973 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 19:39:55,974 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 19:39:55,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 19:39:55,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 19:39:55,980 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 19:39:55,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:39:55" (1/1) ... [2018-12-08 19:39:55,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78b13249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:39:55, skipping insertion in model container [2018-12-08 19:39:55,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:39:55" (1/1) ... [2018-12-08 19:39:55,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 19:39:56,007 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 19:39:56,150 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:39:56,158 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 19:39:56,233 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:39:56,247 INFO L195 MainTranslator]: Completed translation [2018-12-08 19:39:56,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:39:56 WrapperNode [2018-12-08 19:39:56,248 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 19:39:56,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 19:39:56,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 19:39:56,248 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 19:39:56,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:39:56" (1/1) ... [2018-12-08 19:39:56,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:39:56" (1/1) ... [2018-12-08 19:39:56,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 19:39:56,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 19:39:56,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 19:39:56,286 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 19:39:56,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:39:56" (1/1) ... [2018-12-08 19:39:56,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:39:56" (1/1) ... [2018-12-08 19:39:56,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:39:56" (1/1) ... [2018-12-08 19:39:56,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:39:56" (1/1) ... [2018-12-08 19:39:56,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:39:56" (1/1) ... [2018-12-08 19:39:56,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:39:56" (1/1) ... [2018-12-08 19:39:56,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:39:56" (1/1) ... [2018-12-08 19:39:56,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 19:39:56,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 19:39:56,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 19:39:56,304 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 19:39:56,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:39:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7585675b-4562-44fd-a68b-c6d3bbecdaad/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 [2018-12-08 19:39:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 19:39:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 19:39:56,340 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 19:39:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 19:39:56,340 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 19:39:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 19:39:56,340 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 19:39:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 19:39:56,340 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 19:39:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 19:39:56,340 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 19:39:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 19:39:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 19:39:56,341 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 19:39:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 19:39:56,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 19:39:56,768 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 19:39:56,769 INFO L280 CfgBuilder]: Removed 36 assue(true) statements. [2018-12-08 19:39:56,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:39:56 BoogieIcfgContainer [2018-12-08 19:39:56,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 19:39:56,769 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 19:39:56,770 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 19:39:56,777 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 19:39:56,777 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:39:56" (1/1) ... [2018-12-08 19:39:56,784 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:39:56,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:39:56,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2018-12-08 19:39:56,809 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2018-12-08 19:39:56,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 19:39:56,813 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:39:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:39:56,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:39:56,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:39:56,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2018-12-08 19:39:56,951 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2018-12-08 19:39:56,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 19:39:56,952 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:39:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:39:57,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:39:57,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:39:57,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2018-12-08 19:39:57,024 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2018-12-08 19:39:57,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 19:39:57,025 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:39:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:39:57,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:39:57,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:39:57,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 65 states and 99 transitions. [2018-12-08 19:39:57,223 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 99 transitions. [2018-12-08 19:39:57,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 19:39:57,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:39:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:39:57,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:39:57,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:39:57,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 102 transitions. [2018-12-08 19:39:57,281 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2018-12-08 19:39:57,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 19:39:57,283 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:39:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:39:57,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:39:57,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:39:57,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 77 states and 128 transitions. [2018-12-08 19:39:57,563 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 128 transitions. [2018-12-08 19:39:57,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 19:39:57,565 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:39:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:39:57,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:39:58,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:39:58,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 91 states and 169 transitions. [2018-12-08 19:39:58,453 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 169 transitions. [2018-12-08 19:39:58,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 19:39:58,455 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:39:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:39:58,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:39:58,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 19:39:58,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 92 states and 172 transitions. [2018-12-08 19:39:58,611 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 172 transitions. [2018-12-08 19:39:58,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 19:39:58,612 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 19:39:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 19:39:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 19:39:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 19:39:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 19:39:58,793 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2018-12-08 19:39:58,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 07:39:58 ImpRootNode [2018-12-08 19:39:58,864 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 19:39:58,864 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 19:39:58,865 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 19:39:58,865 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 19:39:58,865 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:39:56" (3/4) ... [2018-12-08 19:39:58,867 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 19:39:58,934 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7585675b-4562-44fd-a68b-c6d3bbecdaad/bin-2019/ukojak/witness.graphml [2018-12-08 19:39:58,934 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 19:39:58,935 INFO L168 Benchmark]: Toolchain (without parser) took 2961.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -157.9 MB). Peak memory consumption was 958.8 kB. Max. memory is 11.5 GB. [2018-12-08 19:39:58,936 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-12-08 19:39:58,936 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -141.5 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-08 19:39:58,936 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.34 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-08 19:39:58,936 INFO L168 Benchmark]: Boogie Preprocessor took 18.28 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. [2018-12-08 19:39:58,937 INFO L168 Benchmark]: RCFGBuilder took 464.92 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: 66.5 MB). Peak memory consumption was 66.5 MB. Max. memory is 11.5 GB. [2018-12-08 19:39:58,937 INFO L168 Benchmark]: CodeCheck took 2094.84 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 59.8 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -103.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:39:58,937 INFO L168 Benchmark]: Witness Printer took 69.85 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: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2018-12-08 19:39:58,938 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 7 procedures, 66 locations, 1 error locations. UNSAFE Result, 2.0s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3444 SDtfs, 1060 SDslu, 2128 SDs, 0 SdLazy, 1780 SolverSat, 440 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1408 GetRequests, 1317 SyntacticMatches, 11 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2074 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 8421 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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: [L96] int pumpRunning = 0; [L97] int systemActive = 1; [L309] int waterLevel = 1; [L310] int methaneLevelCritical = 0; [L389] int cleanupTimeShifts = 4; [L654] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L462] int retValue_acc ; [L463] int tmp ; [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] return (retValue_acc); [L469] tmp = valid_product() [L471] COND TRUE \read(tmp) [L242] int splverifierCounter ; [L243] int tmp ; [L244] int tmp___0 ; [L245] int tmp___1 ; [L246] int tmp___2 ; [L249] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L251] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L253] COND TRUE splverifierCounter < 4 [L259] tmp = __VERIFIER_nondet_int() [L261] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L263] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L327] COND TRUE waterLevel < 2 [L328] waterLevel = waterLevel + 1 [L263] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L269] tmp___0 = __VERIFIER_nondet_int() [L271] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L279] tmp___2 = __VERIFIER_nondet_int() [L281] COND FALSE !(\read(tmp___2)) [L287] tmp___1 = __VERIFIER_nondet_int() [L289] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L296] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L104] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L111] COND TRUE \read(systemActive) [L133] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L136] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L151] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L852] int tmp ; [L853] int tmp___0 ; [L854] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L858] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L348] int retValue_acc ; [L351] retValue_acc = methaneLevelCritical [L352] return (retValue_acc); [L858] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L858] tmp = isMethaneLevelCritical() [L860] COND FALSE !(\read(tmp)) [L380] int retValue_acc ; [L383] retValue_acc = waterLevel [L384] return (retValue_acc); [L864] tmp___0 = getWaterLevel() [L866] COND TRUE tmp___0 == 2 [L185] int retValue_acc ; [L188] retValue_acc = pumpRunning [L189] return (retValue_acc); [L868] tmp___1 = isPumpRunning() [L870] 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 0.15 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 272.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -141.5 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.34 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.28 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 464.92 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: 66.5 MB). Peak memory consumption was 66.5 MB. Max. memory is 11.5 GB. * CodeCheck took 2094.84 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 59.8 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -103.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 69.85 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: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...