./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a8bd6348-0e88-4e82-a89d-6d2b3ba6bbe5/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a8bd6348-0e88-4e82-a89d-6d2b3ba6bbe5/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a8bd6348-0e88-4e82-a89d-6d2b3ba6bbe5/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a8bd6348-0e88-4e82-a89d-6d2b3ba6bbe5/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a8bd6348-0e88-4e82-a89d-6d2b3ba6bbe5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a8bd6348-0e88-4e82-a89d-6d2b3ba6bbe5/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 ccadd62ee8105295b69b007526cf1ebacb802621 ..................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:12:49,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:12:49,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:12:49,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:12:49,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:12:49,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:12:49,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:12:49,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:12:49,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:12:49,435 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:12:49,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:12:49,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:12:49,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:12:49,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:12:49,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:12:49,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:12:49,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:12:49,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:12:49,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:12:49,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:12:49,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:12:49,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:12:49,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:12:49,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:12:49,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:12:49,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:12:49,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:12:49,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:12:49,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:12:49,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:12:49,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:12:49,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:12:49,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:12:49,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:12:49,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:12:49,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:12:49,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:12:49,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:12:49,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:12:49,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:12:49,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:12:49,455 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a8bd6348-0e88-4e82-a89d-6d2b3ba6bbe5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:12:49,465 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:12:49,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:12:49,466 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:12:49,466 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:12:49,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:12:49,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:12:49,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:12:49,467 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:12:49,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:12:49,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:12:49,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:12:49,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:12:49,468 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:12:49,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:12:49,468 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:12:49,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:12:49,468 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:12:49,469 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:12:49,469 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:12:49,469 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:12:49,469 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:12:49,469 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:12:49,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:12:49,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:12:49,470 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:12:49,470 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:12:49,470 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:12:49,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:12:49,471 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:12:49,471 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_a8bd6348-0e88-4e82-a89d-6d2b3ba6bbe5/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 -> ccadd62ee8105295b69b007526cf1ebacb802621 [2019-10-22 10:12:49,504 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:12:49,519 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:12:49,524 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:12:49,525 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:12:49,525 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:12:49,526 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a8bd6348-0e88-4e82-a89d-6d2b3ba6bbe5/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2019-10-22 10:12:49,569 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a8bd6348-0e88-4e82-a89d-6d2b3ba6bbe5/bin/ukojak/data/06d961376/ab68484b289b4e5ba82d580acd78c075/FLAGe32b3d9c2 [2019-10-22 10:12:50,002 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:12:50,003 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a8bd6348-0e88-4e82-a89d-6d2b3ba6bbe5/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2019-10-22 10:12:50,020 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a8bd6348-0e88-4e82-a89d-6d2b3ba6bbe5/bin/ukojak/data/06d961376/ab68484b289b4e5ba82d580acd78c075/FLAGe32b3d9c2 [2019-10-22 10:12:50,030 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a8bd6348-0e88-4e82-a89d-6d2b3ba6bbe5/bin/ukojak/data/06d961376/ab68484b289b4e5ba82d580acd78c075 [2019-10-22 10:12:50,032 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:12:50,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:12:50,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:12:50,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:12:50,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:12:50,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:12:50" (1/1) ... [2019-10-22 10:12:50,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c1ea15e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:50, skipping insertion in model container [2019-10-22 10:12:50,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:12:50" (1/1) ... [2019-10-22 10:12:50,046 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:12:50,083 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:12:50,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:12:50,380 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:12:50,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:12:50,466 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:12:50,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:50 WrapperNode [2019-10-22 10:12:50,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:12:50,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:12:50,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:12:50,468 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:12:50,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:50" (1/1) ... [2019-10-22 10:12:50,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:50" (1/1) ... [2019-10-22 10:12:50,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:12:50,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:12:50,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:12:50,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:12:50,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:50" (1/1) ... [2019-10-22 10:12:50,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:50" (1/1) ... [2019-10-22 10:12:50,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:50" (1/1) ... [2019-10-22 10:12:50,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:50" (1/1) ... [2019-10-22 10:12:50,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:50" (1/1) ... [2019-10-22 10:12:50,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:50" (1/1) ... [2019-10-22 10:12:50,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:50" (1/1) ... [2019-10-22 10:12:50,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:12:50,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:12:50,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:12:50,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:12:50,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8bd6348-0e88-4e82-a89d-6d2b3ba6bbe5/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:12:50,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:12:50,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:12:50,619 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:12:50,619 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:12:50,619 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:12:50,619 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:12:50,619 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-22 10:12:50,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-22 10:12:50,620 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:12:50,620 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:12:50,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:12:50,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:12:50,620 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:12:50,620 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:12:51,396 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:12:51,396 INFO L284 CfgBuilder]: Removed 30 assume(true) statements. [2019-10-22 10:12:51,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:51 BoogieIcfgContainer [2019-10-22 10:12:51,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:12:51,397 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:12:51,398 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:12:51,409 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:12:51,409 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:51" (1/1) ... [2019-10-22 10:12:51,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:12:51,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:51,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 39 states and 50 transitions. [2019-10-22 10:12:51,456 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2019-10-22 10:12:51,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 10:12:51,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:51,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:51,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:51,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 48 transitions. [2019-10-22 10:12:51,642 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2019-10-22 10:12:51,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:12:51,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:51,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:51,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:51,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 51 transitions. [2019-10-22 10:12:51,815 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2019-10-22 10:12:51,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:12:51,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:51,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:52,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:52,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 53 states and 77 transitions. [2019-10-22 10:12:52,112 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 77 transitions. [2019-10-22 10:12:52,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 10:12:52,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:12:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:12:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:12:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:12:53,179 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2019-10-22 10:12:53,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:12:53 ImpRootNode [2019-10-22 10:12:53,238 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:12:53,238 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:12:53,238 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:12:53,238 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:12:53,239 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:51" (3/4) ... [2019-10-22 10:12:53,241 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:12:53,320 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a8bd6348-0e88-4e82-a89d-6d2b3ba6bbe5/bin/ukojak/witness.graphml [2019-10-22 10:12:53,320 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:12:53,322 INFO L168 Benchmark]: Toolchain (without parser) took 3288.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 214.4 MB). Free memory was 945.9 MB in the beginning and 1.2 GB in the end (delta: -209.4 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:53,322 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:12:53,323 INFO L168 Benchmark]: CACSL2BoogieTranslator took 433.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -182.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:53,323 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.80 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:53,323 INFO L168 Benchmark]: Boogie Preprocessor took 27.77 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:53,323 INFO L168 Benchmark]: RCFGBuilder took 846.39 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: 77.4 MB). Peak memory consumption was 77.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:53,324 INFO L168 Benchmark]: CodeCheck took 1840.23 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -128.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:12:53,324 INFO L168 Benchmark]: Witness Printer took 82.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:53,326 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 6 procedures, 39 locations, 1 error locations. Result: UNSAFE, OverallTime: 1.7s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 156 SDtfs, 44 SDslu, 68 SDs, 0 SdLazy, 78 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 353 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 1824 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 302]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L48] int pumpRunning = 0; [L49] int systemActive = 1; [L307] int cleanupTimeShifts = 4; [L403] int waterLevel = 1; [L404] int methaneLevelCritical = 0; [L652] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L380] int retValue_acc ; [L381] int tmp ; [L253] int retValue_acc ; [L256] retValue_acc = 1 [L257] return (retValue_acc); [L387] tmp = valid_product() [L389] COND TRUE \read(tmp) [L160] int splverifierCounter ; [L161] int tmp ; [L162] int tmp___0 ; [L163] int tmp___1 ; [L164] int tmp___2 ; [L167] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L169] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L171] COND TRUE splverifierCounter < 4 [L177] tmp = __VERIFIER_nondet_int() [L179] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L181] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L421] COND TRUE waterLevel < 2 [L422] waterLevel = waterLevel + 1 [L181] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L187] tmp___0 = __VERIFIER_nondet_int() [L189] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L197] tmp___2 = __VERIFIER_nondet_int() [L199] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L212] CALL timeShift() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L56] COND FALSE !(\read(pumpRunning)) [L63] COND TRUE \read(systemActive) [L265] int tmp ; [L266] int tmp___0 ; [L267] int tmp___1 ; VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L271] CALL, EXPR isMethaneLevelCritical() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L442] int retValue_acc ; [L445] retValue_acc = methaneLevelCritical [L446] return (retValue_acc); [L271] RET, EXPR isMethaneLevelCritical() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L271] tmp = isMethaneLevelCritical() [L273] COND FALSE !(\read(tmp)) [L474] int retValue_acc ; [L477] retValue_acc = waterLevel [L478] return (retValue_acc); [L277] tmp___0 = getWaterLevel() [L279] COND TRUE tmp___0 == 2 [L111] int retValue_acc ; [L114] retValue_acc = pumpRunning [L115] return (retValue_acc); [L281] tmp___1 = isPumpRunning() [L283] COND FALSE !(\read(tmp___1)) VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L302] __VERIFIER_error() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 433.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -182.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.80 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.77 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 846.39 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: 77.4 MB). Peak memory consumption was 77.4 MB. Max. memory is 11.5 GB. * CodeCheck took 1840.23 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -128.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 82.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...