./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_06d53cba-1197-4ca6-b882-db934daf7267/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_06d53cba-1197-4ca6-b882-db934daf7267/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_06d53cba-1197-4ca6-b882-db934daf7267/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_06d53cba-1197-4ca6-b882-db934daf7267/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product20.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_06d53cba-1197-4ca6-b882-db934daf7267/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_06d53cba-1197-4ca6-b882-db934daf7267/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cea13255bd81d7ff756db691b6bf5b4173b6edc1 ................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:59:00,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:59:00,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:59:00,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:59:00,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:59:00,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:59:00,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:59:00,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:59:00,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:59:00,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:59:00,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:59:00,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:59:00,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:59:00,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:59:00,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:59:00,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:59:00,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:59:00,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:59:00,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:59:00,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:59:00,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:59:00,933 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:59:00,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:59:00,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:59:00,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:59:00,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:59:00,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:59:00,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:59:00,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:59:00,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:59:00,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:59:00,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:59:00,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:59:00,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:59:00,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:59:00,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:59:00,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:59:00,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:59:00,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:59:00,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:59:00,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:59:00,948 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_06d53cba-1197-4ca6-b882-db934daf7267/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:59:00,982 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:59:00,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:59:00,983 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:59:00,983 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:59:00,983 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:59:00,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:59:00,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:59:00,984 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:59:00,984 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:59:00,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:59:00,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:59:00,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:59:00,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:59:00,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:59:00,986 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:59:00,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:59:00,987 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:59:00,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:59:00,987 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:59:00,988 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:59:00,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:59:00,988 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:59:00,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:59:00,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:59:00,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:59:00,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:59:00,989 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:59:00,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:59:00,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:59:00,990 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_06d53cba-1197-4ca6-b882-db934daf7267/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cea13255bd81d7ff756db691b6bf5b4173b6edc1 [2019-11-26 02:59:01,130 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:59:01,145 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:59:01,147 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:59:01,150 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:59:01,150 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:59:01,151 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_06d53cba-1197-4ca6-b882-db934daf7267/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product20.cil.c [2019-11-26 02:59:01,215 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_06d53cba-1197-4ca6-b882-db934daf7267/bin/ukojak/data/a1f477ccc/ad276fb67e2a4fd5855df8511fa89507/FLAGb330ef5e4 [2019-11-26 02:59:01,671 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:59:01,674 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_06d53cba-1197-4ca6-b882-db934daf7267/sv-benchmarks/c/product-lines/minepump_spec3_product20.cil.c [2019-11-26 02:59:01,691 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_06d53cba-1197-4ca6-b882-db934daf7267/bin/ukojak/data/a1f477ccc/ad276fb67e2a4fd5855df8511fa89507/FLAGb330ef5e4 [2019-11-26 02:59:01,701 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_06d53cba-1197-4ca6-b882-db934daf7267/bin/ukojak/data/a1f477ccc/ad276fb67e2a4fd5855df8511fa89507 [2019-11-26 02:59:01,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:59:01,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:59:01,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:59:01,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:59:01,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:59:01,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:59:01" (1/1) ... [2019-11-26 02:59:01,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79d379a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:01, skipping insertion in model container [2019-11-26 02:59:01,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:59:01" (1/1) ... [2019-11-26 02:59:01,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:59:01,763 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:59:02,181 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:59:02,191 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:59:02,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:59:02,300 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:59:02,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:02 WrapperNode [2019-11-26 02:59:02,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:59:02,301 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:59:02,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:59:02,302 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:59:02,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:02" (1/1) ... [2019-11-26 02:59:02,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:02" (1/1) ... [2019-11-26 02:59:02,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:59:02,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:59:02,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:59:02,383 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:59:02,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:02" (1/1) ... [2019-11-26 02:59:02,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:02" (1/1) ... [2019-11-26 02:59:02,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:02" (1/1) ... [2019-11-26 02:59:02,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:02" (1/1) ... [2019-11-26 02:59:02,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:02" (1/1) ... [2019-11-26 02:59:02,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:02" (1/1) ... [2019-11-26 02:59:02,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:02" (1/1) ... [2019-11-26 02:59:02,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:59:02,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:59:02,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:59:02,451 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:59:02,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_06d53cba-1197-4ca6-b882-db934daf7267/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 [2019-11-26 02:59:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:59:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-26 02:59:02,539 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-26 02:59:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-26 02:59:02,540 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-26 02:59:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-26 02:59:02,540 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-26 02:59:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-26 02:59:02,541 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-26 02:59:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-26 02:59:02,542 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-26 02:59:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-26 02:59:02,542 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-26 02:59:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:59:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-26 02:59:02,543 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-26 02:59:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:59:02,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:59:03,472 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:59:03,473 INFO L284 CfgBuilder]: Removed 38 assume(true) statements. [2019-11-26 02:59:03,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:59:03 BoogieIcfgContainer [2019-11-26 02:59:03,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:59:03,474 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:59:03,474 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:59:03,486 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:59:03,486 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:59:03" (1/1) ... [2019-11-26 02:59:03,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:59:03,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:59:03,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 55 states and 74 transitions. [2019-11-26 02:59:03,538 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2019-11-26 02:59:03,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 02:59:03,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:59:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:59:03,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:59:03,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:59:03,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2019-11-26 02:59:03,800 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2019-11-26 02:59:03,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-26 02:59:03,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:59:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:59:03,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:59:03,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:59:03,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2019-11-26 02:59:03,930 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-11-26 02:59:03,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-26 02:59:03,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:59:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:59:04,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:59:04,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:59:04,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 60 states and 83 transitions. [2019-11-26 02:59:04,081 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2019-11-26 02:59:04,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-26 02:59:04,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:59:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:59:04,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:59:04,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:59:04,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 77 states and 123 transitions. [2019-11-26 02:59:04,810 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 123 transitions. [2019-11-26 02:59:04,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-26 02:59:04,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:59:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:59:04,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:59:05,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:59:05,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 85 states and 138 transitions. [2019-11-26 02:59:05,130 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 138 transitions. [2019-11-26 02:59:05,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-26 02:59:05,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:59:05,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:59:05,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:59:05,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:59:05,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 90 states and 148 transitions. [2019-11-26 02:59:05,288 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 148 transitions. [2019-11-26 02:59:05,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-26 02:59:05,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:59:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:59:05,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:59:05,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:59:05,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 92 states and 150 transitions. [2019-11-26 02:59:05,561 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 150 transitions. [2019-11-26 02:59:05,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-26 02:59:05,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:59:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:59:05,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:59:05,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:59:05,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 93 states and 151 transitions. [2019-11-26 02:59:05,628 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 151 transitions. [2019-11-26 02:59:05,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-26 02:59:05,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:59:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:59:05,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:59:05,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:59:05,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 99 states and 165 transitions. [2019-11-26 02:59:05,844 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 165 transitions. [2019-11-26 02:59:05,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-26 02:59:05,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:59:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:59:05,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:59:06,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:59:06,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 102 states and 174 transitions. [2019-11-26 02:59:06,255 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 174 transitions. [2019-11-26 02:59:06,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-26 02:59:06,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:59:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:59:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:59:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:59:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:59:06,612 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2019-11-26 02:59:06,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:59:06 ImpRootNode [2019-11-26 02:59:06,731 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:59:06,732 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:59:06,732 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:59:06,732 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:59:06,733 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:59:03" (3/4) ... [2019-11-26 02:59:06,734 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:59:06,908 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_06d53cba-1197-4ca6-b882-db934daf7267/bin/ukojak/witness.graphml [2019-11-26 02:59:06,908 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:59:06,910 INFO L168 Benchmark]: Toolchain (without parser) took 5205.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 216.5 MB). Free memory was 952.8 MB in the beginning and 1.1 GB in the end (delta: -151.4 MB). Peak memory consumption was 65.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:06,910 INFO L168 Benchmark]: CDTParser took 0.26 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. [2019-11-26 02:59:06,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 947.5 MB in the beginning and 1.1 GB in the end (delta: -175.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:06,914 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.51 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. [2019-11-26 02:59:06,914 INFO L168 Benchmark]: Boogie Preprocessor took 67.16 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. [2019-11-26 02:59:06,914 INFO L168 Benchmark]: RCFGBuilder took 1023.55 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: 75.0 MB). Peak memory consumption was 75.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:06,915 INFO L168 Benchmark]: CodeCheck took 3257.11 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -74.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:59:06,915 INFO L168 Benchmark]: Witness Printer took 176.24 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:06,917 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 55 locations, 1 error locations. Result: UNSAFE, OverallTime: 3.1s, OverallIterations: 11, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 25760 SDtfs, 6780 SDslu, 13380 SDs, 0 SdLazy, 11140 SolverSat, 3200 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1933 GetRequests, 1875 SyntacticMatches, 8 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 849 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 11654 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 927]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L444] int cleanupTimeShifts = 4; [L590] int pumpRunning = 0; [L591] int systemActive = 1; [L834] int waterLevel = 1; [L835] int methaneLevelCritical = 0; [L247] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L522] int retValue_acc ; [L523] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L529] tmp = valid_product() [L531] COND TRUE \read(tmp) [L766] int splverifierCounter ; [L767] int tmp ; [L768] int tmp___0 ; [L769] int tmp___1 ; [L770] int tmp___2 ; [L773] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L775] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L777] COND TRUE splverifierCounter < 4 [L783] tmp = __VERIFIER_nondet_int() [L785] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L787] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L852] COND TRUE waterLevel < 2 [L853] waterLevel = waterLevel + 1 [L787] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L793] tmp___0 = __VERIFIER_nondet_int() [L795] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L803] tmp___2 = __VERIFIER_nondet_int() [L805] COND FALSE !(\read(tmp___2)) [L811] tmp___1 = __VERIFIER_nondet_int() [L813] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L745] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L752] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L822] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L597] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L604] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L550] int tmp ; [L551] int tmp___0 ; [L552] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L556] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L873] int retValue_acc ; [L876] retValue_acc = methaneLevelCritical [L877] return (retValue_acc); [L556] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L556] tmp = isMethaneLevelCritical() [L558] COND FALSE !(\read(tmp)) [L905] int retValue_acc ; [L908] retValue_acc = waterLevel [L909] return (retValue_acc); [L562] tmp___0 = getWaterLevel() [L564] COND TRUE tmp___0 == 2 [L678] int retValue_acc ; [L681] retValue_acc = pumpRunning [L682] return (retValue_acc); [L566] tmp___1 = isPumpRunning() [L568] COND FALSE !(\read(tmp___1)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L927] __VERIFIER_error() VAL [\old(pumpRunning)=0, \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 0.26 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 596.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 947.5 MB in the beginning and 1.1 GB in the end (delta: -175.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 81.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.16 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 1023.55 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: 75.0 MB). Peak memory consumption was 75.0 MB. Max. memory is 11.5 GB. * CodeCheck took 3257.11 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -74.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 176.24 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...