./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product04.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_3c89cf5f-158b-4eb1-82e4-d6319415552d/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3c89cf5f-158b-4eb1-82e4-d6319415552d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3c89cf5f-158b-4eb1-82e4-d6319415552d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3c89cf5f-158b-4eb1-82e4-d6319415552d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3c89cf5f-158b-4eb1-82e4-d6319415552d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3c89cf5f-158b-4eb1-82e4-d6319415552d/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 77951208f64a8e7a2de110a05be31eef72f84584 ......................................................................................................................................................................................................................................................................................................... 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 10:18:31,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:18:31,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:18:31,829 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:18:31,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:18:31,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:18:31,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:18:31,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:18:31,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:18:31,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:18:31,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:18:31,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:18:31,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:18:31,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:18:31,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:18:31,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:18:31,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:18:31,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:18:31,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:18:31,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:18:31,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:18:31,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:18:31,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:18:31,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:18:31,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:18:31,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:18:31,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:18:31,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:18:31,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:18:31,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:18:31,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:18:31,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:18:31,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:18:31,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:18:31,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:18:31,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:18:31,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:18:31,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:18:31,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:18:31,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:18:31,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:18:31,878 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3c89cf5f-158b-4eb1-82e4-d6319415552d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:18:31,894 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:18:31,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:18:31,895 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:18:31,896 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:18:31,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:18:31,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:18:31,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:18:31,897 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:18:31,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:18:31,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:18:31,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:18:31,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:18:31,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:18:31,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:18:31,900 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:18:31,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:18:31,901 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:18:31,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:18:31,901 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:18:31,901 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:18:31,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:18:31,902 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:18:31,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:18:31,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:18:31,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:18:31,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:18:31,903 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:18:31,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:18:31,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:18:31,903 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_3c89cf5f-158b-4eb1-82e4-d6319415552d/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 -> 77951208f64a8e7a2de110a05be31eef72f84584 [2019-10-22 10:18:31,936 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:18:31,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:18:31,954 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:18:31,955 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:18:31,956 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:18:31,956 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3c89cf5f-158b-4eb1-82e4-d6319415552d/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c [2019-10-22 10:18:32,010 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3c89cf5f-158b-4eb1-82e4-d6319415552d/bin/ukojak/data/ee2ee7d7a/8039e795f7b54431a21317c2f53bba92/FLAGfbbdeef88 [2019-10-22 10:18:32,461 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:18:32,462 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3c89cf5f-158b-4eb1-82e4-d6319415552d/sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c [2019-10-22 10:18:32,469 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3c89cf5f-158b-4eb1-82e4-d6319415552d/bin/ukojak/data/ee2ee7d7a/8039e795f7b54431a21317c2f53bba92/FLAGfbbdeef88 [2019-10-22 10:18:32,480 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3c89cf5f-158b-4eb1-82e4-d6319415552d/bin/ukojak/data/ee2ee7d7a/8039e795f7b54431a21317c2f53bba92 [2019-10-22 10:18:32,482 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:18:32,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:18:32,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:18:32,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:18:32,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:18:32,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:18:32" (1/1) ... [2019-10-22 10:18:32,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de3efe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:32, skipping insertion in model container [2019-10-22 10:18:32,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:18:32" (1/1) ... [2019-10-22 10:18:32,500 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:18:32,550 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:18:32,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:18:32,927 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:18:33,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:18:33,025 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:18:33,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:33 WrapperNode [2019-10-22 10:18:33,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:18:33,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:18:33,027 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:18:33,027 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:18:33,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:33" (1/1) ... [2019-10-22 10:18:33,049 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:33" (1/1) ... [2019-10-22 10:18:33,073 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:18:33,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:18:33,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:18:33,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:18:33,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:33" (1/1) ... [2019-10-22 10:18:33,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:33" (1/1) ... [2019-10-22 10:18:33,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:33" (1/1) ... [2019-10-22 10:18:33,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:33" (1/1) ... [2019-10-22 10:18:33,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:33" (1/1) ... [2019-10-22 10:18:33,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:33" (1/1) ... [2019-10-22 10:18:33,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:33" (1/1) ... [2019-10-22 10:18:33,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:18:33,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:18:33,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:18:33,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:18:33,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:18:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c89cf5f-158b-4eb1-82e4-d6319415552d/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 10:18:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:18:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:18:33,167 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:18:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:18:33,167 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:18:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-22 10:18:33,168 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-22 10:18:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:18:33,168 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:18:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:18:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:18:33,168 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:18:33,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:18:33,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:18:33,917 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:18:33,918 INFO L284 CfgBuilder]: Removed 36 assume(true) statements. [2019-10-22 10:18:33,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:18:33 BoogieIcfgContainer [2019-10-22 10:18:33,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:18:33,919 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:18:33,919 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:18:33,929 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:18:33,929 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:18:33" (1/1) ... [2019-10-22 10:18:33,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:18:33,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:33,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 39 states and 50 transitions. [2019-10-22 10:18:33,981 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2019-10-22 10:18:33,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 10:18:33,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:34,199 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 10:18:34,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:34,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 48 transitions. [2019-10-22 10:18:34,209 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2019-10-22 10:18:34,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:18:34,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:34,306 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 10:18:34,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:34,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 51 transitions. [2019-10-22 10:18:34,340 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2019-10-22 10:18:34,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:18:34,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:18:34,525 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 10:18:34,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:18:34,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 53 states and 77 transitions. [2019-10-22 10:18:34,728 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 77 transitions. [2019-10-22 10:18:34,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 10:18:34,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:18:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:18:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:18:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:18:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:18:35,478 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2019-10-22 10:18:35,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:18:35 ImpRootNode [2019-10-22 10:18:35,568 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:18:35,569 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:18:35,569 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:18:35,569 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:18:35,570 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:18:33" (3/4) ... [2019-10-22 10:18:35,572 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:18:35,667 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3c89cf5f-158b-4eb1-82e4-d6319415552d/bin/ukojak/witness.graphml [2019-10-22 10:18:35,667 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:18:35,669 INFO L168 Benchmark]: Toolchain (without parser) took 3185.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.7 MB in the beginning and 832.3 MB in the end (delta: 112.4 MB). Peak memory consumption was 252.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:35,670 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:18:35,674 INFO L168 Benchmark]: CACSL2BoogieTranslator took 540.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -182.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:35,674 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.86 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:35,674 INFO L168 Benchmark]: Boogie Preprocessor took 25.12 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 10:18:35,675 INFO L168 Benchmark]: RCFGBuilder took 819.95 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: 74.3 MB). Peak memory consumption was 74.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:35,675 INFO L168 Benchmark]: CodeCheck took 1649.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 839.4 MB in the end (delta: 200.9 MB). Peak memory consumption was 200.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:35,675 INFO L168 Benchmark]: Witness Printer took 98.06 ms. Allocated memory is still 1.2 GB. Free memory was 839.4 MB in the beginning and 832.3 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:18:35,677 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 6 procedures, 39 locations, 1 error locations. Result: UNSAFE, OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 156 SDtfs, 44 SDslu, 76 SDs, 0 SdLazy, 70 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 353 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 1433 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 633]: 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; [L295] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L530] int cleanupTimeShifts = 4; [L677] int pumpRunning = 0; [L678] int systemActive = 1; [L606] int retValue_acc ; [L607] int tmp ; [L521] int retValue_acc ; [L524] retValue_acc = 1 [L525] return (retValue_acc); [L613] tmp = valid_product() [L615] COND TRUE \read(tmp) [L808] int splverifierCounter ; [L809] int tmp ; [L810] int tmp___0 ; [L811] int tmp___1 ; [L812] int tmp___2 ; [L815] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L817] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L819] COND TRUE splverifierCounter < 4 [L825] tmp = __VERIFIER_nondet_int() [L827] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L829] 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 [L829] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L835] tmp___0 = __VERIFIER_nondet_int() [L837] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L845] tmp___2 = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp___2)) [L853] tmp___1 = __VERIFIER_nondet_int() [L855] COND TRUE \read(tmp___1) [L787] COND FALSE !(\read(pumpRunning)) [L794] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L864] CALL timeShift() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L684] COND FALSE !(\read(pumpRunning)) [L691] COND FALSE !(\read(systemActive)) [L640] int tmp ; [L641] int tmp___0 ; [L642] int tmp___1 ; VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L646] CALL, EXPR isMethaneLevelCritical() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L85] int retValue_acc ; [L88] retValue_acc = methaneLevelCritical [L89] return (retValue_acc); [L646] RET, EXPR isMethaneLevelCritical() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L646] tmp = isMethaneLevelCritical() [L648] COND FALSE !(\read(tmp)) [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] return (retValue_acc); [L652] tmp___0 = getWaterLevel() [L654] COND TRUE tmp___0 == 2 [L739] int retValue_acc ; [L742] retValue_acc = pumpRunning [L743] return (retValue_acc); [L656] tmp___1 = isPumpRunning() [L658] COND FALSE !(\read(tmp___1)) VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L633] __VERIFIER_error() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 540.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -182.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.86 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 819.95 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: 74.3 MB). Peak memory consumption was 74.3 MB. Max. memory is 11.5 GB. * CodeCheck took 1649.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 839.4 MB in the end (delta: 200.9 MB). Peak memory consumption was 200.9 MB. Max. memory is 11.5 GB. * Witness Printer took 98.06 ms. Allocated memory is still 1.2 GB. Free memory was 839.4 MB in the beginning and 832.3 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...