./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5cffbfdb-6a82-4d47-8cfb-fcba8a2bb08d/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5cffbfdb-6a82-4d47-8cfb-fcba8a2bb08d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5cffbfdb-6a82-4d47-8cfb-fcba8a2bb08d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5cffbfdb-6a82-4d47-8cfb-fcba8a2bb08d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product20.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5cffbfdb-6a82-4d47-8cfb-fcba8a2bb08d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5cffbfdb-6a82-4d47-8cfb-fcba8a2bb08d/bin/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 cea13255bd81d7ff756db691b6bf5b4173b6edc1 .................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.24-cad4683 [2019-10-22 10:12:49,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:12:49,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:12:49,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:12:49,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:12:49,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:12:49,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:12:49,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:12:49,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:12:49,147 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:12:49,148 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:12:49,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:12:49,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:12:49,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:12:49,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:12:49,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:12:49,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:12:49,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:12:49,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:12:49,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:12:49,159 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:12:49,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:12:49,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:12:49,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:12:49,164 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:12:49,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:12:49,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:12:49,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:12:49,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:12:49,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:12:49,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:12:49,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:12:49,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:12:49,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:12:49,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:12:49,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:12:49,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:12:49,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:12:49,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:12:49,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:12:49,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:12:49,174 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5cffbfdb-6a82-4d47-8cfb-fcba8a2bb08d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:12:49,186 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:12:49,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:12:49,187 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:12:49,187 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:12:49,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:12:49,188 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:12:49,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:12:49,188 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:12:49,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:12:49,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:12:49,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:12:49,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:12:49,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:12:49,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:12:49,189 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:12:49,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:12:49,190 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:12:49,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:12:49,190 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:12:49,190 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:12:49,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:12:49,191 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:12:49,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:12:49,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:12:49,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:12:49,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:12:49,191 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:12:49,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:12:49,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:12:49,192 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_5cffbfdb-6a82-4d47-8cfb-fcba8a2bb08d/bin/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 -> cea13255bd81d7ff756db691b6bf5b4173b6edc1 [2019-10-22 10:12:49,217 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:12:49,227 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:12:49,230 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:12:49,232 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:12:49,232 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:12:49,233 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5cffbfdb-6a82-4d47-8cfb-fcba8a2bb08d/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product20.cil.c [2019-10-22 10:12:49,283 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5cffbfdb-6a82-4d47-8cfb-fcba8a2bb08d/bin/ukojak/data/fd0edb284/15fb7fc27b9340a6acc03f74e6181d9b/FLAGcf790291c [2019-10-22 10:12:49,770 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:12:49,771 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5cffbfdb-6a82-4d47-8cfb-fcba8a2bb08d/sv-benchmarks/c/product-lines/minepump_spec3_product20.cil.c [2019-10-22 10:12:49,785 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5cffbfdb-6a82-4d47-8cfb-fcba8a2bb08d/bin/ukojak/data/fd0edb284/15fb7fc27b9340a6acc03f74e6181d9b/FLAGcf790291c [2019-10-22 10:12:50,081 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5cffbfdb-6a82-4d47-8cfb-fcba8a2bb08d/bin/ukojak/data/fd0edb284/15fb7fc27b9340a6acc03f74e6181d9b [2019-10-22 10:12:50,087 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:12:50,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:12:50,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:12:50,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:12:50,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:12:50,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:12:50" (1/1) ... [2019-10-22 10:12:50,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44847122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:50, skipping insertion in model container [2019-10-22 10:12:50,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:12:50" (1/1) ... [2019-10-22 10:12:50,106 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:12:50,167 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:12:50,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:12:50,563 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:12:50,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:12:50,685 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:12:50,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:50 WrapperNode [2019-10-22 10:12:50,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:12:50,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:12:50,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:12:50,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:12:50,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:50" (1/1) ... [2019-10-22 10:12:50,711 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:50" (1/1) ... [2019-10-22 10:12:50,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:12:50,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:12:50,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:12:50,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:12:50,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:50" (1/1) ... [2019-10-22 10:12:50,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:50" (1/1) ... [2019-10-22 10:12:50,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:50" (1/1) ... [2019-10-22 10:12:50,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:50" (1/1) ... [2019-10-22 10:12:50,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:50" (1/1) ... [2019-10-22 10:12:50,776 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:50" (1/1) ... [2019-10-22 10:12:50,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:50" (1/1) ... [2019-10-22 10:12:50,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:12:50,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:12:50,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:12:50,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:12:50,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5cffbfdb-6a82-4d47-8cfb-fcba8a2bb08d/bin/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 [2019-10-22 10:12:50,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:12:50,843 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-22 10:12:50,843 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-22 10:12:50,843 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-22 10:12:50,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-22 10:12:50,844 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:12:50,844 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:12:50,844 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:12:50,844 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:12:50,844 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:12:50,844 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:12:50,845 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-22 10:12:50,845 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-22 10:12:50,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:12:50,845 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:12:50,845 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:12:50,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:12:50,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:12:51,647 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:12:51,648 INFO L284 CfgBuilder]: Removed 38 assume(true) statements. [2019-10-22 10:12:51,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:51 BoogieIcfgContainer [2019-10-22 10:12:51,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:12:51,650 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:12:51,650 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:12:51,662 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:12:51,662 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:51" (1/1) ... [2019-10-22 10:12:51,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:12:51,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:51,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 55 states and 74 transitions. [2019-10-22 10:12:51,720 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2019-10-22 10:12:51,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:12:51,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:51,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:51,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:51,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2019-10-22 10:12:51,961 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2019-10-22 10:12:51,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:12:51,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:52,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:52,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:52,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2019-10-22 10:12:52,081 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-10-22 10:12:52,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 10:12:52,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:52,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:52,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:52,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 60 states and 83 transitions. [2019-10-22 10:12:52,195 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2019-10-22 10:12:52,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 10:12:52,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:52,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:52,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:52,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 77 states and 123 transitions. [2019-10-22 10:12:52,748 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 123 transitions. [2019-10-22 10:12:52,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:12:52,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:52,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:53,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:53,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 85 states and 138 transitions. [2019-10-22 10:12:53,031 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 138 transitions. [2019-10-22 10:12:53,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 10:12:53,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:53,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:53,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:53,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 90 states and 148 transitions. [2019-10-22 10:12:53,168 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 148 transitions. [2019-10-22 10:12:53,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 10:12:53,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:53,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:53,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:53,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 92 states and 150 transitions. [2019-10-22 10:12:53,403 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 150 transitions. [2019-10-22 10:12:53,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 10:12:53,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:53,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:53,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:53,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 93 states and 151 transitions. [2019-10-22 10:12:53,448 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 151 transitions. [2019-10-22 10:12:53,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:12:53,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:53,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:53,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:53,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 99 states and 165 transitions. [2019-10-22 10:12:53,624 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 165 transitions. [2019-10-22 10:12:53,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 10:12:53,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:53,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:53,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:53,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:53,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 102 states and 174 transitions. [2019-10-22 10:12:53,924 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 174 transitions. [2019-10-22 10:12:53,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-22 10:12:53,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:12:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:12:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:12:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:12:54,857 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2019-10-22 10:12:55,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:12:55 ImpRootNode [2019-10-22 10:12:55,019 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:12:55,019 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:12:55,019 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:12:55,019 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:12:55,020 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:51" (3/4) ... [2019-10-22 10:12:55,022 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:12:55,188 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5cffbfdb-6a82-4d47-8cfb-fcba8a2bb08d/bin/ukojak/witness.graphml [2019-10-22 10:12:55,190 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:12:55,192 INFO L168 Benchmark]: Toolchain (without parser) took 5103.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -189.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:12:55,193 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:12:55,194 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -169.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:55,194 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.29 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. [2019-10-22 10:12:55,194 INFO L168 Benchmark]: Boogie Preprocessor took 42.73 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:55,195 INFO L168 Benchmark]: RCFGBuilder took 868.52 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: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:55,195 INFO L168 Benchmark]: CodeCheck took 3369.17 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.6 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -122.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:12:55,195 INFO L168 Benchmark]: Witness Printer took 170.82 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: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:55,197 INFO L335 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, 55 locations, 1 error locations. Result: UNSAFE, OverallTime: 3.1s, OverallIterations: 11, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 25760 SDtfs, 6780 SDslu, 13380 SDs, 0 SdLazy, 11140 SolverSat, 3200 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1933 GetRequests, 1875 SyntacticMatches, 8 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 849 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 11654 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 927]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L247] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L444] int cleanupTimeShifts = 4; [L590] int pumpRunning = 0; [L591] int systemActive = 1; [L834] int waterLevel = 1; [L835] int methaneLevelCritical = 0; [L522] int retValue_acc ; [L523] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L529] tmp = valid_product() [L531] COND TRUE \read(tmp) [L766] int splverifierCounter ; [L767] int tmp ; [L768] int tmp___0 ; [L769] int tmp___1 ; [L770] int tmp___2 ; [L773] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L775] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L777] COND TRUE splverifierCounter < 4 [L783] tmp = __VERIFIER_nondet_int() [L785] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L787] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L852] COND TRUE waterLevel < 2 [L853] waterLevel = waterLevel + 1 [L787] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L793] tmp___0 = __VERIFIER_nondet_int() [L795] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L803] tmp___2 = __VERIFIER_nondet_int() [L805] COND TRUE \read(tmp___2) [L760] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L822] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L597] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L604] COND TRUE \read(systemActive) [L626] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L629] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L644] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L550] int tmp ; [L551] int tmp___0 ; [L552] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L556] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L873] int retValue_acc ; [L876] retValue_acc = methaneLevelCritical [L877] return (retValue_acc); [L556] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L556] tmp = isMethaneLevelCritical() [L558] COND FALSE !(\read(tmp)) [L905] int retValue_acc ; [L908] retValue_acc = waterLevel [L909] return (retValue_acc); [L562] tmp___0 = getWaterLevel() [L564] COND TRUE tmp___0 == 2 [L678] int retValue_acc ; [L681] retValue_acc = pumpRunning [L682] return (retValue_acc); [L566] tmp___1 = isPumpRunning() [L568] 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] [L927] __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 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 596.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -169.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.29 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 42.73 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 868.52 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: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. * CodeCheck took 3369.17 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.6 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -122.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 170.82 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: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...