./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5c43ec27-064c-4743-b658-3b0a1e4a5b11/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5c43ec27-064c-4743-b658-3b0a1e4a5b11/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5c43ec27-064c-4743-b658-3b0a1e4a5b11/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5c43ec27-064c-4743-b658-3b0a1e4a5b11/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5c43ec27-064c-4743-b658-3b0a1e4a5b11/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5c43ec27-064c-4743-b658-3b0a1e4a5b11/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash daa9da8859207d10d864ef24e046b0be94d62d80 ............................................................................................................................................................................................................................................................................................................................................................. 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 0.2.0-69874e2 [2020-12-01 17:19:58,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:19:58,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:19:58,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:19:58,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:19:58,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:19:58,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:19:58,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:19:58,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:19:58,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:19:58,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:19:58,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:19:58,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:19:58,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:19:58,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:19:58,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:19:58,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:19:58,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:19:58,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:19:58,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:19:58,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:19:58,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:19:58,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:19:58,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:19:58,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:19:58,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:19:58,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:19:58,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:19:58,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:19:58,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:19:58,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:19:58,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:19:58,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:19:58,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:19:58,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:19:58,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:19:58,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:19:58,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:19:58,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:19:58,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:19:58,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:19:58,896 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5c43ec27-064c-4743-b658-3b0a1e4a5b11/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:19:58,945 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:19:58,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:19:58,948 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:19:58,948 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:19:58,950 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:19:58,950 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:19:58,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:19:58,951 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:19:58,951 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:19:58,951 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:19:58,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:19:58,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:19:58,960 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:19:58,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:19:58,961 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:19:58,961 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:19:58,962 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:19:58,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:19:58,962 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:19:58,962 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:19:58,963 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:19:58,963 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:19:58,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:19:58,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:19:58,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:19:58,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:19:58,964 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:19:58,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:19:58,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:19:58,967 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_5c43ec27-064c-4743-b658-3b0a1e4a5b11/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5c43ec27-064c-4743-b658-3b0a1e4a5b11/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> daa9da8859207d10d864ef24e046b0be94d62d80 [2020-12-01 17:19:59,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:19:59,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:19:59,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:19:59,288 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:19:59,289 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:19:59,290 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5c43ec27-064c-4743-b658-3b0a1e4a5b11/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2020-12-01 17:19:59,370 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5c43ec27-064c-4743-b658-3b0a1e4a5b11/bin/ukojak/data/01e5103f5/470aa7495699476f82f6cb6d3c00be23/FLAG184b428b5 [2020-12-01 17:19:59,996 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:19:59,997 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5c43ec27-064c-4743-b658-3b0a1e4a5b11/sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2020-12-01 17:20:00,037 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5c43ec27-064c-4743-b658-3b0a1e4a5b11/bin/ukojak/data/01e5103f5/470aa7495699476f82f6cb6d3c00be23/FLAG184b428b5 [2020-12-01 17:20:00,266 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5c43ec27-064c-4743-b658-3b0a1e4a5b11/bin/ukojak/data/01e5103f5/470aa7495699476f82f6cb6d3c00be23 [2020-12-01 17:20:00,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:20:00,274 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:20:00,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:20:00,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:20:00,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:20:00,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:20:00" (1/1) ... [2020-12-01 17:20:00,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f91c360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:00, skipping insertion in model container [2020-12-01 17:20:00,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:20:00" (1/1) ... [2020-12-01 17:20:00,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:20:00,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:20:00,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:20:00,744 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:20:00,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:20:00,862 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:20:00,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:00 WrapperNode [2020-12-01 17:20:00,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:20:00,864 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:20:00,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:20:00,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:20:00,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:00" (1/1) ... [2020-12-01 17:20:00,891 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:00" (1/1) ... [2020-12-01 17:20:00,925 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:20:00,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:20:00,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:20:00,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:20:00,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:00" (1/1) ... [2020-12-01 17:20:00,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:00" (1/1) ... [2020-12-01 17:20:00,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:00" (1/1) ... [2020-12-01 17:20:00,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:00" (1/1) ... [2020-12-01 17:20:00,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:00" (1/1) ... [2020-12-01 17:20:00,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:00" (1/1) ... [2020-12-01 17:20:00,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:00" (1/1) ... [2020-12-01 17:20:00,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:20:00,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:20:00,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:20:00,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:20:00,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5c43ec27-064c-4743-b658-3b0a1e4a5b11/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 [2020-12-01 17:20:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:20:01,048 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 17:20:01,049 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 17:20:01,049 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 17:20:01,049 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 17:20:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 17:20:01,050 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 17:20:01,050 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 17:20:01,050 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 17:20:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 17:20:01,051 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 17:20:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:20:01,051 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 17:20:01,052 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 17:20:01,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:20:01,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:20:02,373 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:20:02,374 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-12-01 17:20:02,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:20:02 BoogieIcfgContainer [2020-12-01 17:20:02,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:20:02,378 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:20:02,378 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:20:02,391 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:20:02,391 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:20:02" (1/1) ... [2020-12-01 17:20:02,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:20:02,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:02,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2020-12-01 17:20:02,453 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2020-12-01 17:20:02,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:20:02,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:02,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:20:02,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:02,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2020-12-01 17:20:02,805 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2020-12-01 17:20:02,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:20:02,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:02,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:03,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:20:03,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:03,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2020-12-01 17:20:03,068 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2020-12-01 17:20:03,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:20:03,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:03,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:20:03,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:03,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 60 states and 83 transitions. [2020-12-01 17:20:03,519 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2020-12-01 17:20:03,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:20:03,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:03,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:20:03,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:03,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 61 states and 84 transitions. [2020-12-01 17:20:03,666 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2020-12-01 17:20:03,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:20:03,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:03,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:20:04,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:04,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 75 states and 116 transitions. [2020-12-01 17:20:04,907 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 116 transitions. [2020-12-01 17:20:04,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:20:04,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:05,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:20:05,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:05,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 76 states and 117 transitions. [2020-12-01 17:20:05,031 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 117 transitions. [2020-12-01 17:20:05,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:20:05,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:05,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:20:07,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:07,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 92 states and 158 transitions. [2020-12-01 17:20:07,178 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 158 transitions. [2020-12-01 17:20:07,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:20:07,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:07,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:20:07,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:07,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 94 states and 159 transitions. [2020-12-01 17:20:07,648 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 159 transitions. [2020-12-01 17:20:07,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:20:07,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:20:07,704 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:20:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:20:07,768 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:20:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:20:08,016 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:20:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:20:08,143 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:20:09,212 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2020-12-01 17:20:09,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:20:09 ImpRootNode [2020-12-01 17:20:09,352 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:20:09,353 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:20:09,353 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:20:09,353 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:20:09,354 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:20:02" (3/4) ... [2020-12-01 17:20:09,356 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 17:20:09,450 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5c43ec27-064c-4743-b658-3b0a1e4a5b11/bin/ukojak/witness.graphml [2020-12-01 17:20:09,450 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:20:09,452 INFO L168 Benchmark]: Toolchain (without parser) took 9177.64 ms. Allocated memory was 92.3 MB in the beginning and 161.5 MB in the end (delta: 69.2 MB). Free memory was 71.7 MB in the beginning and 94.2 MB in the end (delta: -22.4 MB). Peak memory consumption was 47.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:20:09,453 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 75.5 MB. Free memory is still 51.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:20:09,453 INFO L168 Benchmark]: CACSL2BoogieTranslator took 584.47 ms. Allocated memory is still 92.3 MB. Free memory was 71.5 MB in the beginning and 51.3 MB in the end (delta: 20.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:20:09,454 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.72 ms. Allocated memory is still 92.3 MB. Free memory was 51.1 MB in the beginning and 48.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:20:09,455 INFO L168 Benchmark]: Boogie Preprocessor took 60.42 ms. Allocated memory is still 92.3 MB. Free memory was 48.7 MB in the beginning and 70.5 MB in the end (delta: -21.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:20:09,455 INFO L168 Benchmark]: RCFGBuilder took 1389.50 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 70.5 MB in the beginning and 80.3 MB in the end (delta: -9.8 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:20:09,456 INFO L168 Benchmark]: CodeCheck took 6974.26 ms. Allocated memory was 111.1 MB in the beginning and 161.5 MB in the end (delta: 50.3 MB). Free memory was 80.0 MB in the beginning and 104.7 MB in the end (delta: -24.6 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:20:09,457 INFO L168 Benchmark]: Witness Printer took 97.81 ms. Allocated memory is still 161.5 MB. Free memory was 104.7 MB in the beginning and 94.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:20:09,461 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.7s, OverallIterations: 9, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5708 SDtfs, 1660 SDslu, 3000 SDs, 0 SdLazy, 3536 SolverSat, 1096 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1535 GetRequests, 1449 SyntacticMatches, 2 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2274 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 204 NumberOfCodeBlocks, 204 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 169 ConstructedInterpolants, 0 QuantifiedInterpolants, 9441 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 2/2 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: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L98] int pumpRunning = 0; [L99] int systemActive = 1; [L311] int waterLevel = 1; [L312] int methaneLevelCritical = 0; [L391] int cleanupTimeShifts = 4; [L656] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L464] int retValue_acc ; [L465] int tmp ; [L80] int retValue_acc ; [L83] retValue_acc = 1 [L84] return (retValue_acc); [L471] tmp = valid_product() [L473] COND TRUE \read(tmp) [L244] int splverifierCounter ; [L245] int tmp ; [L246] int tmp___0 ; [L247] int tmp___1 ; [L248] int tmp___2 ; [L251] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L253] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L255] COND TRUE splverifierCounter < 4 [L261] tmp = __VERIFIER_nondet_int() [L263] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L265] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L329] COND TRUE waterLevel < 2 [L330] waterLevel = waterLevel + 1 [L265] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L271] tmp___0 = __VERIFIER_nondet_int() [L273] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L281] tmp___2 = __VERIFIER_nondet_int() [L283] COND FALSE !(\read(tmp___2)) [L289] tmp___1 = __VERIFIER_nondet_int() [L291] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L298] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L106] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L113] COND TRUE \read(systemActive) [L135] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L138] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L153] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L854] int tmp ; [L855] int tmp___0 ; [L856] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L860] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L350] int retValue_acc ; [L353] retValue_acc = methaneLevelCritical [L354] return (retValue_acc); [L860] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L860] tmp = isMethaneLevelCritical() [L862] COND FALSE !(\read(tmp)) [L382] int retValue_acc ; [L385] retValue_acc = waterLevel [L386] return (retValue_acc); [L866] tmp___0 = getWaterLevel() [L868] COND TRUE tmp___0 == 2 [L187] int retValue_acc ; [L190] retValue_acc = pumpRunning [L191] return (retValue_acc); [L870] tmp___1 = isPumpRunning() [L872] 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] [L3] __assert_fail("0", "minepump_spec3_product06.cil.c", 3, "reach_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 0.36 ms. Allocated memory is still 75.5 MB. Free memory is still 51.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 584.47 ms. Allocated memory is still 92.3 MB. Free memory was 71.5 MB in the beginning and 51.3 MB in the end (delta: 20.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.72 ms. Allocated memory is still 92.3 MB. Free memory was 51.1 MB in the beginning and 48.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.42 ms. Allocated memory is still 92.3 MB. Free memory was 48.7 MB in the beginning and 70.5 MB in the end (delta: -21.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1389.50 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 70.5 MB in the beginning and 80.3 MB in the end (delta: -9.8 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * CodeCheck took 6974.26 ms. Allocated memory was 111.1 MB in the beginning and 161.5 MB in the end (delta: 50.3 MB). Free memory was 80.0 MB in the beginning and 104.7 MB in the end (delta: -24.6 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. * Witness Printer took 97.81 ms. Allocated memory is still 161.5 MB. Free memory was 104.7 MB in the beginning and 94.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...