./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product13_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_19bee534-a196-413d-9aa2-e33ab70264cc/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_19bee534-a196-413d-9aa2-e33ab70264cc/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_19bee534-a196-413d-9aa2-e33ab70264cc/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_19bee534-a196-413d-9aa2-e33ab70264cc/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product13_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_19bee534-a196-413d-9aa2-e33ab70264cc/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_19bee534-a196-413d-9aa2-e33ab70264cc/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 35ec611011aa6867bf0bb36080e273ba993b072e ............................................................................................................................................................................................................................................................................................................................................... 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 19:34:13,797 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 19:34:13,798 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 19:34:13,805 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 19:34:13,806 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 19:34:13,806 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 19:34:13,807 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 19:34:13,808 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 19:34:13,809 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 19:34:13,810 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 19:34:13,810 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 19:34:13,811 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 19:34:13,811 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 19:34:13,812 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 19:34:13,813 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 19:34:13,813 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 19:34:13,813 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 19:34:13,814 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 19:34:13,815 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 19:34:13,816 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 19:34:13,816 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 19:34:13,817 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 19:34:13,818 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 19:34:13,818 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 19:34:13,818 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 19:34:13,818 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 19:34:13,819 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 19:34:13,819 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 19:34:13,820 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 19:34:13,820 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 19:34:13,820 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 19:34:13,820 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 19:34:13,821 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 19:34:13,821 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 19:34:13,821 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 19:34:13,821 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 19:34:13,822 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_19bee534-a196-413d-9aa2-e33ab70264cc/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 19:34:13,828 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 19:34:13,828 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 19:34:13,829 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 19:34:13,829 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 19:34:13,829 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 19:34:13,829 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 19:34:13,829 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 19:34:13,830 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 19:34:13,830 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 19:34:13,830 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 19:34:13,830 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 19:34:13,830 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 19:34:13,830 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 19:34:13,830 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 19:34:13,830 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 19:34:13,830 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 19:34:13,830 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 19:34:13,830 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 19:34:13,831 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 19:34:13,831 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 19:34:13,831 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 19:34:13,831 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 19:34:13,831 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 19:34:13,831 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 19:34:13,831 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 19:34:13,831 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 19:34:13,831 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 19:34:13,831 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 19:34:13,831 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 19:34:13,832 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_19bee534-a196-413d-9aa2-e33ab70264cc/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 -> 35ec611011aa6867bf0bb36080e273ba993b072e [2018-12-02 19:34:13,849 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 19:34:13,858 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 19:34:13,861 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 19:34:13,862 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 19:34:13,862 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 19:34:13,863 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_19bee534-a196-413d-9aa2-e33ab70264cc/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product13_false-unreach-call_false-termination.cil.c [2018-12-02 19:34:13,903 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_19bee534-a196-413d-9aa2-e33ab70264cc/bin-2019/ukojak/data/6bfea8559/d433854671554dba9f32ad54e84a7914/FLAG9cc0c30d6 [2018-12-02 19:34:14,306 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 19:34:14,306 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_19bee534-a196-413d-9aa2-e33ab70264cc/sv-benchmarks/c/product-lines/minepump_spec3_product13_false-unreach-call_false-termination.cil.c [2018-12-02 19:34:14,311 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_19bee534-a196-413d-9aa2-e33ab70264cc/bin-2019/ukojak/data/6bfea8559/d433854671554dba9f32ad54e84a7914/FLAG9cc0c30d6 [2018-12-02 19:34:14,319 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_19bee534-a196-413d-9aa2-e33ab70264cc/bin-2019/ukojak/data/6bfea8559/d433854671554dba9f32ad54e84a7914 [2018-12-02 19:34:14,321 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 19:34:14,322 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 19:34:14,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 19:34:14,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 19:34:14,324 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 19:34:14,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:34:14" (1/1) ... [2018-12-02 19:34:14,326 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 02.12 07:34:14, skipping insertion in model container [2018-12-02 19:34:14,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:34:14" (1/1) ... [2018-12-02 19:34:14,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 19:34:14,350 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 19:34:14,492 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 19:34:14,500 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 19:34:14,609 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 19:34:14,628 INFO L195 MainTranslator]: Completed translation [2018-12-02 19:34:14,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:14 WrapperNode [2018-12-02 19:34:14,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 19:34:14,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 19:34:14,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 19:34:14,629 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 19:34:14,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:14" (1/1) ... [2018-12-02 19:34:14,646 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:14" (1/1) ... [2018-12-02 19:34:14,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 19:34:14,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 19:34:14,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 19:34:14,667 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 19:34:14,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:14" (1/1) ... [2018-12-02 19:34:14,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:14" (1/1) ... [2018-12-02 19:34:14,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:14" (1/1) ... [2018-12-02 19:34:14,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:14" (1/1) ... [2018-12-02 19:34:14,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:14" (1/1) ... [2018-12-02 19:34:14,685 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:14" (1/1) ... [2018-12-02 19:34:14,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:14" (1/1) ... [2018-12-02 19:34:14,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 19:34:14,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 19:34:14,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 19:34:14,689 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 19:34:14,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:34:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_19bee534-a196-413d-9aa2-e33ab70264cc/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 19:34:14,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 19:34:14,731 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 19:34:14,731 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 19:34:14,732 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 19:34:14,732 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 19:34:14,732 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 19:34:14,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 19:34:14,732 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 19:34:14,732 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 19:34:14,732 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 19:34:14,732 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 19:34:14,732 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 19:34:14,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 19:34:14,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 19:34:14,732 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 19:34:14,732 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 19:34:14,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 19:34:14,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 19:34:15,154 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 19:34:15,154 INFO L280 CfgBuilder]: Removed 32 assue(true) statements. [2018-12-02 19:34:15,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:34:15 BoogieIcfgContainer [2018-12-02 19:34:15,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 19:34:15,154 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 19:34:15,154 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 19:34:15,161 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 19:34:15,161 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:34:15" (1/1) ... [2018-12-02 19:34:15,168 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:34:15,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 19:34:15,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2018-12-02 19:34:15,193 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2018-12-02 19:34:15,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 19:34:15,197 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 19:34:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:34:15,303 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 19:34:15,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 19:34:15,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2018-12-02 19:34:15,312 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2018-12-02 19:34:15,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 19:34:15,312 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 19:34:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:34:15,357 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 19:34:15,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 19:34:15,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2018-12-02 19:34:15,372 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2018-12-02 19:34:15,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 19:34:15,373 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 19:34:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:34:15,414 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 19:34:15,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 19:34:15,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 87 transitions. [2018-12-02 19:34:15,490 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2018-12-02 19:34:15,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 19:34:15,490 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 19:34:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:34:15,566 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 19:34:15,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 19:34:15,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 80 states and 122 transitions. [2018-12-02 19:34:15,859 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 122 transitions. [2018-12-02 19:34:15,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 19:34:15,860 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 19:34:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:34:15,882 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 19:34:15,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 19:34:15,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 81 states and 123 transitions. [2018-12-02 19:34:15,890 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 123 transitions. [2018-12-02 19:34:15,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 19:34:15,891 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 19:34:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:34:15,910 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 19:34:15,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 19:34:15,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 82 states and 124 transitions. [2018-12-02 19:34:15,921 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 124 transitions. [2018-12-02 19:34:15,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 19:34:15,921 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 19:34:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 19:34:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 19:34:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 19:34:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 19:34:16,090 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2018-12-02 19:34:16,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 07:34:16 ImpRootNode [2018-12-02 19:34:16,170 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 19:34:16,171 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 19:34:16,171 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 19:34:16,171 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 19:34:16,171 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:34:15" (3/4) ... [2018-12-02 19:34:16,173 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 19:34:16,257 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_19bee534-a196-413d-9aa2-e33ab70264cc/bin-2019/ukojak/witness.graphml [2018-12-02 19:34:16,257 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 19:34:16,258 INFO L168 Benchmark]: Toolchain (without parser) took 1936.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 954.4 MB in the beginning and 868.6 MB in the end (delta: 85.7 MB). Peak memory consumption was 244.6 MB. Max. memory is 11.5 GB. [2018-12-02 19:34:16,259 INFO L168 Benchmark]: CDTParser took 0.14 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 19:34:16,259 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -194.2 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-12-02 19:34:16,259 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.40 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. [2018-12-02 19:34:16,259 INFO L168 Benchmark]: Boogie Preprocessor took 21.21 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. [2018-12-02 19:34:16,260 INFO L168 Benchmark]: RCFGBuilder took 465.47 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: 72.7 MB). Peak memory consumption was 72.7 MB. Max. memory is 11.5 GB. [2018-12-02 19:34:16,260 INFO L168 Benchmark]: CodeCheck took 1016.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 879.1 MB in the end (delta: 190.6 MB). Peak memory consumption was 190.6 MB. Max. memory is 11.5 GB. [2018-12-02 19:34:16,260 INFO L168 Benchmark]: Witness Printer took 86.74 ms. Allocated memory is still 1.2 GB. Free memory was 879.1 MB in the beginning and 868.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-12-02 19:34:16,262 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 70 locations, 1 error locations. UNSAFE Result, 0.9s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1586 SDtfs, 514 SDslu, 882 SDs, 0 SdLazy, 842 SolverSat, 228 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1020 GetRequests, 987 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 119 ConstructedInterpolants, 0 QuantifiedInterpolants, 6040 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: 168]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L173] int cleanupTimeShifts = 4; [L275] int pumpRunning = 0; [L276] int systemActive = 1; [L694] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L249] int retValue_acc ; [L250] int tmp ; [L155] int retValue_acc ; [L158] retValue_acc = 1 [L159] return (retValue_acc); [L256] tmp = valid_product() [L258] COND TRUE \read(tmp) [L461] int splverifierCounter ; [L462] int tmp ; [L463] int tmp___0 ; [L464] int tmp___1 ; [L465] int tmp___2 ; [L468] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L470] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L472] COND TRUE splverifierCounter < 4 [L478] tmp = __VERIFIER_nondet_int() [L480] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L482] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L64] COND TRUE waterLevel < 2 [L65] waterLevel = waterLevel + 1 [L482] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L488] tmp___0 = __VERIFIER_nondet_int() [L490] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L498] tmp___2 = __VERIFIER_nondet_int() [L500] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L513] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L283] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L290] COND TRUE \read(systemActive) [L312] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L315] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L330] FCALL processEnvironment__wrappee__methaneQuery() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L427] int tmp ; [L428] int tmp___0 ; [L429] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L433] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L85] int retValue_acc ; [L88] retValue_acc = methaneLevelCritical [L89] return (retValue_acc); [L433] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L433] tmp = isMethaneLevelCritical() [L435] COND FALSE !(\read(tmp)) [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] return (retValue_acc); [L439] tmp___0 = getWaterLevel() [L441] COND TRUE tmp___0 == 2 [L381] int retValue_acc ; [L384] retValue_acc = pumpRunning [L385] return (retValue_acc); [L443] tmp___1 = isPumpRunning() [L445] 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] [L168] __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 0.14 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 306.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -194.2 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.40 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. * Boogie Preprocessor took 21.21 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. * RCFGBuilder took 465.47 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: 72.7 MB). Peak memory consumption was 72.7 MB. Max. memory is 11.5 GB. * CodeCheck took 1016.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 879.1 MB in the end (delta: 190.6 MB). Peak memory consumption was 190.6 MB. Max. memory is 11.5 GB. * Witness Printer took 86.74 ms. Allocated memory is still 1.2 GB. Free memory was 879.1 MB in the beginning and 868.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...