./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9f0faac6-b687-4427-addf-4427df073867/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9f0faac6-b687-4427-addf-4427df073867/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9f0faac6-b687-4427-addf-4427df073867/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9f0faac6-b687-4427-addf-4427df073867/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product25.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9f0faac6-b687-4427-addf-4427df073867/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9f0faac6-b687-4427-addf-4427df073867/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 87372a1a98819a475f7685500d732b7a3f8e7449 ........................................................................................................................................................................................................................................................................................................................................................ 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 0.1.24-678e011 [2019-11-19 23:33:47,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:33:47,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:33:47,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:33:47,900 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:33:47,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:33:47,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:33:47,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:33:47,919 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:33:47,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:33:47,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:33:47,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:33:47,925 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:33:47,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:33:47,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:33:47,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:33:47,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:33:47,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:33:47,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:33:47,937 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:33:47,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:33:47,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:33:47,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:33:47,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:33:47,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:33:47,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:33:47,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:33:47,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:33:47,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:33:47,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:33:47,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:33:47,950 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:33:47,951 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:33:47,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:33:47,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:33:47,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:33:47,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:33:47,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:33:47,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:33:47,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:33:47,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:33:47,956 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9f0faac6-b687-4427-addf-4427df073867/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-19 23:33:47,971 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:33:47,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:33:47,972 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-19 23:33:47,973 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-19 23:33:47,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:33:47,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:33:47,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:33:47,974 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:33:47,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:33:47,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:33:47,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:33:47,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:33:47,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:33:47,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:33:47,976 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:33:47,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:33:47,976 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:33:47,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:33:47,977 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-19 23:33:47,977 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-19 23:33:47,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:33:47,978 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:33:47,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 23:33:47,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:33:47,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:33:47,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:33:47,979 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-19 23:33:47,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 23:33:47,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:33:47,979 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/run_dir_9f0faac6-b687-4427-addf-4427df073867/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 -> 87372a1a98819a475f7685500d732b7a3f8e7449 [2019-11-19 23:33:48,138 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:33:48,157 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:33:48,159 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:33:48,160 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:33:48,160 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:33:48,161 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9f0faac6-b687-4427-addf-4427df073867/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product25.cil.c [2019-11-19 23:33:48,221 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9f0faac6-b687-4427-addf-4427df073867/bin/ukojak/data/30def0e81/5670c200519748ea88c989ef2e42aac9/FLAG0abe7a2b9 [2019-11-19 23:33:48,637 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:33:48,638 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9f0faac6-b687-4427-addf-4427df073867/sv-benchmarks/c/product-lines/minepump_spec3_product25.cil.c [2019-11-19 23:33:48,650 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9f0faac6-b687-4427-addf-4427df073867/bin/ukojak/data/30def0e81/5670c200519748ea88c989ef2e42aac9/FLAG0abe7a2b9 [2019-11-19 23:33:48,954 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9f0faac6-b687-4427-addf-4427df073867/bin/ukojak/data/30def0e81/5670c200519748ea88c989ef2e42aac9 [2019-11-19 23:33:48,959 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:33:48,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:33:48,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:33:48,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:33:48,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:33:48,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:33:48" (1/1) ... [2019-11-19 23:33:48,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@284a5bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:33:48, skipping insertion in model container [2019-11-19 23:33:48,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:33:48" (1/1) ... [2019-11-19 23:33:48,979 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:33:49,030 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:33:49,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:33:49,378 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:33:49,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:33:49,485 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:33:49,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:33:49 WrapperNode [2019-11-19 23:33:49,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:33:49,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:33:49,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:33:49,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:33:49,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:33:49" (1/1) ... [2019-11-19 23:33:49,509 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:33:49" (1/1) ... [2019-11-19 23:33:49,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:33:49,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:33:49,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:33:49,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:33:49,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:33:49" (1/1) ... [2019-11-19 23:33:49,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:33:49" (1/1) ... [2019-11-19 23:33:49,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:33:49" (1/1) ... [2019-11-19 23:33:49,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:33:49" (1/1) ... [2019-11-19 23:33:49,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:33:49" (1/1) ... [2019-11-19 23:33:49,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:33:49" (1/1) ... [2019-11-19 23:33:49,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:33:49" (1/1) ... [2019-11-19 23:33:49,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:33:49,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:33:49,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:33:49,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:33:49,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:33:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9f0faac6-b687-4427-addf-4427df073867/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 [2019-11-19 23:33:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 23:33:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-19 23:33:49,668 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-19 23:33:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-19 23:33:49,668 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-19 23:33:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-19 23:33:49,669 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-19 23:33:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-19 23:33:49,669 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-19 23:33:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-19 23:33:49,669 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-19 23:33:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 23:33:49,670 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-19 23:33:49,670 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-19 23:33:49,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:33:49,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:33:50,544 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:33:50,544 INFO L285 CfgBuilder]: Removed 36 assume(true) statements. [2019-11-19 23:33:50,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:33:50 BoogieIcfgContainer [2019-11-19 23:33:50,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:33:50,546 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-19 23:33:50,546 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-19 23:33:50,557 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-19 23:33:50,557 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:33:50" (1/1) ... [2019-11-19 23:33:50,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:33:50,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:33:50,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2019-11-19 23:33:50,610 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2019-11-19 23:33:50,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 23:33:50,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:33:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:33:50,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:33:50,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:33:50,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2019-11-19 23:33:50,896 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2019-11-19 23:33:50,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-19 23:33:50,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:33:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:33:50,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:33:51,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:33:51,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2019-11-19 23:33:51,006 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2019-11-19 23:33:51,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-19 23:33:51,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:33:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:33:51,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:33:51,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:33:51,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 58 states and 81 transitions. [2019-11-19 23:33:51,249 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2019-11-19 23:33:51,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-19 23:33:51,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:33:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:33:51,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:33:51,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:33:51,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 59 states and 82 transitions. [2019-11-19 23:33:51,349 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2019-11-19 23:33:51,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-19 23:33:51,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:33:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:33:51,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:33:51,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:33:51,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 69 states and 103 transitions. [2019-11-19 23:33:51,706 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 103 transitions. [2019-11-19 23:33:51,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 23:33:51,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:33:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:33:51,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:33:51,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:33:51,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 70 states and 104 transitions. [2019-11-19 23:33:51,773 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 104 transitions. [2019-11-19 23:33:51,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-19 23:33:51,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:33:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:33:51,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:33:51,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:33:51,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 71 states and 105 transitions. [2019-11-19 23:33:51,832 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2019-11-19 23:33:51,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 23:33:51,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:33:51,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:33:51,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:33:51,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:33:51,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 72 states and 106 transitions. [2019-11-19 23:33:51,891 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 106 transitions. [2019-11-19 23:33:51,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 23:33:51,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:33:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:33:52,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:33:52,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:33:52,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 88 states and 142 transitions. [2019-11-19 23:33:52,626 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 142 transitions. [2019-11-19 23:33:52,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-19 23:33:52,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:33:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:33:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:33:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:33:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 23:33:53,099 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2019-11-19 23:33:53,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 11:33:53 ImpRootNode [2019-11-19 23:33:53,202 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-19 23:33:53,202 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:33:53,203 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:33:53,203 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:33:53,203 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:33:50" (3/4) ... [2019-11-19 23:33:53,206 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-19 23:33:53,352 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9f0faac6-b687-4427-addf-4427df073867/bin/ukojak/witness.graphml [2019-11-19 23:33:53,353 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:33:53,355 INFO L168 Benchmark]: Toolchain (without parser) took 4393.50 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 222.3 MB). Free memory was 939.3 MB in the beginning and 1.2 GB in the end (delta: -233.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:33:53,355 INFO L168 Benchmark]: CDTParser took 0.12 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. [2019-11-19 23:33:53,357 INFO L168 Benchmark]: CACSL2BoogieTranslator took 523.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -194.8 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-19 23:33:53,358 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.58 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 23:33:53,358 INFO L168 Benchmark]: Boogie Preprocessor took 31.08 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. [2019-11-19 23:33:53,359 INFO L168 Benchmark]: RCFGBuilder took 977.08 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: 73.2 MB). Peak memory consumption was 73.2 MB. Max. memory is 11.5 GB. [2019-11-19 23:33:53,359 INFO L168 Benchmark]: CodeCheck took 2656.31 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 71.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -136.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:33:53,360 INFO L168 Benchmark]: Witness Printer took 150.44 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-19 23:33:53,362 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 7 procedures, 47 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.5s, OverallIterations: 10, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 11204 SDtfs, 3628 SDslu, 5580 SDs, 0 SdLazy, 4752 SolverSat, 1256 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1565 GetRequests, 1531 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 224 NumberOfCodeBlocks, 224 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 188 ConstructedInterpolants, 0 QuantifiedInterpolants, 8636 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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: 82]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L256] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L458] int waterLevel = 1; [L459] int methaneLevelCritical = 0; [L585] int cleanupTimeShifts = 4; [L686] int pumpRunning = 0; [L687] int systemActive = 1; [L661] int retValue_acc ; [L662] int tmp ; [L576] int retValue_acc ; [L579] retValue_acc = 1 [L580] return (retValue_acc); [L668] tmp = valid_product() [L670] COND TRUE \read(tmp) [L857] int splverifierCounter ; [L858] int tmp ; [L859] int tmp___0 ; [L860] int tmp___1 ; [L861] int tmp___2 ; [L864] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L866] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L868] COND TRUE splverifierCounter < 4 [L874] tmp = __VERIFIER_nondet_int() [L876] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L878] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L476] COND TRUE waterLevel < 2 [L477] waterLevel = waterLevel + 1 [L878] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L884] tmp___0 = __VERIFIER_nondet_int() [L886] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L894] tmp___2 = __VERIFIER_nondet_int() [L896] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L909] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L693] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L700] COND TRUE \read(systemActive) [L722] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L725] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L740] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L45] int tmp ; [L46] int tmp___0 ; [L47] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L51] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L497] int retValue_acc ; [L500] retValue_acc = methaneLevelCritical [L501] return (retValue_acc); [L51] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) [L529] int retValue_acc ; [L532] retValue_acc = waterLevel [L533] return (retValue_acc); [L57] tmp___0 = getWaterLevel() [L59] COND TRUE tmp___0 == 2 [L792] int retValue_acc ; [L795] retValue_acc = pumpRunning [L796] return (retValue_acc); [L61] tmp___1 = isPumpRunning() [L63] 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] [L82] __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 0.12 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 523.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -194.8 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.58 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.08 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 977.08 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: 73.2 MB). Peak memory consumption was 73.2 MB. Max. memory is 11.5 GB. * CodeCheck took 2656.31 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 71.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -136.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 150.44 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...