./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_abfb7043-2cc7-4627-b480-122315225567/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_abfb7043-2cc7-4627-b480-122315225567/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_abfb7043-2cc7-4627-b480-122315225567/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_abfb7043-2cc7-4627-b480-122315225567/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_abfb7043-2cc7-4627-b480-122315225567/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_abfb7043-2cc7-4627-b480-122315225567/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 c4608a8062f27af1fb75c6b614ba3695c40f562a .............................................................................................................................................................................................................................................................................................................................. 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 0.1.25-f470102 [2019-12-01 14:30:37,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 14:30:37,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 14:30:37,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 14:30:37,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 14:30:37,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 14:30:37,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 14:30:37,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 14:30:37,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 14:30:37,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 14:30:37,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 14:30:37,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 14:30:37,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 14:30:37,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 14:30:37,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 14:30:37,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 14:30:37,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 14:30:37,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 14:30:37,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 14:30:37,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 14:30:37,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 14:30:37,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 14:30:37,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 14:30:37,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 14:30:37,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 14:30:37,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 14:30:37,529 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 14:30:37,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 14:30:37,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 14:30:37,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 14:30:37,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 14:30:37,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 14:30:37,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 14:30:37,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 14:30:37,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 14:30:37,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 14:30:37,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 14:30:37,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 14:30:37,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 14:30:37,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 14:30:37,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 14:30:37,536 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_abfb7043-2cc7-4627-b480-122315225567/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 14:30:37,549 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 14:30:37,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 14:30:37,549 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 14:30:37,550 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 14:30:37,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 14:30:37,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 14:30:37,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 14:30:37,551 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 14:30:37,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 14:30:37,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 14:30:37,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 14:30:37,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 14:30:37,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 14:30:37,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 14:30:37,552 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 14:30:37,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 14:30:37,552 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 14:30:37,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 14:30:37,553 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 14:30:37,553 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 14:30:37,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 14:30:37,553 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 14:30:37,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 14:30:37,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 14:30:37,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 14:30:37,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 14:30:37,554 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 14:30:37,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 14:30:37,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 14:30:37,555 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_abfb7043-2cc7-4627-b480-122315225567/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 -> c4608a8062f27af1fb75c6b614ba3695c40f562a [2019-12-01 14:30:37,657 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 14:30:37,665 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 14:30:37,667 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 14:30:37,668 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 14:30:37,668 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 14:30:37,669 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_abfb7043-2cc7-4627-b480-122315225567/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c [2019-12-01 14:30:37,705 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_abfb7043-2cc7-4627-b480-122315225567/bin/ukojak/data/3a9455651/128946db49d64a8db44478daf65d9cd2/FLAGbddda6325 [2019-12-01 14:30:38,155 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 14:30:38,156 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_abfb7043-2cc7-4627-b480-122315225567/sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c [2019-12-01 14:30:38,164 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_abfb7043-2cc7-4627-b480-122315225567/bin/ukojak/data/3a9455651/128946db49d64a8db44478daf65d9cd2/FLAGbddda6325 [2019-12-01 14:30:38,173 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_abfb7043-2cc7-4627-b480-122315225567/bin/ukojak/data/3a9455651/128946db49d64a8db44478daf65d9cd2 [2019-12-01 14:30:38,175 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 14:30:38,176 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 14:30:38,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 14:30:38,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 14:30:38,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 14:30:38,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:30:38" (1/1) ... [2019-12-01 14:30:38,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ae57db2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:30:38, skipping insertion in model container [2019-12-01 14:30:38,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:30:38" (1/1) ... [2019-12-01 14:30:38,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 14:30:38,221 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 14:30:38,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 14:30:38,445 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 14:30:38,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 14:30:38,512 INFO L208 MainTranslator]: Completed translation [2019-12-01 14:30:38,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:30:38 WrapperNode [2019-12-01 14:30:38,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 14:30:38,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 14:30:38,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 14:30:38,513 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 14:30:38,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:30:38" (1/1) ... [2019-12-01 14:30:38,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:30:38" (1/1) ... [2019-12-01 14:30:38,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 14:30:38,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 14:30:38,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 14:30:38,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 14:30:38,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:30:38" (1/1) ... [2019-12-01 14:30:38,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:30:38" (1/1) ... [2019-12-01 14:30:38,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:30:38" (1/1) ... [2019-12-01 14:30:38,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:30:38" (1/1) ... [2019-12-01 14:30:38,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:30:38" (1/1) ... [2019-12-01 14:30:38,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:30:38" (1/1) ... [2019-12-01 14:30:38,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:30:38" (1/1) ... [2019-12-01 14:30:38,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 14:30:38,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 14:30:38,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 14:30:38,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 14:30:38,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:30:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_abfb7043-2cc7-4627-b480-122315225567/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 [2019-12-01 14:30:38,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 14:30:38,618 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-12-01 14:30:38,618 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-12-01 14:30:38,618 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-12-01 14:30:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-12-01 14:30:38,619 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-12-01 14:30:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-12-01 14:30:38,619 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-12-01 14:30:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-12-01 14:30:38,619 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-12-01 14:30:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-12-01 14:30:38,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-01 14:30:38,620 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-12-01 14:30:38,620 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-12-01 14:30:38,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 14:30:38,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 14:30:39,136 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 14:30:39,136 INFO L287 CfgBuilder]: Removed 38 assume(true) statements. [2019-12-01 14:30:39,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:30:39 BoogieIcfgContainer [2019-12-01 14:30:39,137 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 14:30:39,137 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 14:30:39,137 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 14:30:39,144 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 14:30:39,144 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:30:39" (1/1) ... [2019-12-01 14:30:39,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 14:30:39,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:30:39,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2019-12-01 14:30:39,176 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2019-12-01 14:30:39,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 14:30:39,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:30:39,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:30:39,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:30:39,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:30:39,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2019-12-01 14:30:39,331 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2019-12-01 14:30:39,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 14:30:39,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:30:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:30:39,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:30:39,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:30:39,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2019-12-01 14:30:39,402 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2019-12-01 14:30:39,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 14:30:39,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:30:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:30:39,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:30:39,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:30:39,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 63 states and 96 transitions. [2019-12-01 14:30:39,608 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 96 transitions. [2019-12-01 14:30:39,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 14:30:39,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:30:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:30:39,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:30:39,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:30:39,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 65 states and 99 transitions. [2019-12-01 14:30:39,707 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 99 transitions. [2019-12-01 14:30:39,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 14:30:39,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:30:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 14:30:39,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 14:30:40,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 14:30:40,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 75 states and 126 transitions. [2019-12-01 14:30:40,073 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 126 transitions. [2019-12-01 14:30:40,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-01 14:30:40,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 14:30:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 14:30:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 14:30:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 14:30:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 14:30:40,374 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2019-12-01 14:30:40,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 02:30:40 ImpRootNode [2019-12-01 14:30:40,471 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 14:30:40,471 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 14:30:40,471 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 14:30:40,471 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 14:30:40,472 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:30:39" (3/4) ... [2019-12-01 14:30:40,473 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-01 14:30:40,555 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_abfb7043-2cc7-4627-b480-122315225567/bin/ukojak/witness.graphml [2019-12-01 14:30:40,555 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 14:30:40,557 INFO L168 Benchmark]: Toolchain (without parser) took 2379.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -108.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 14:30:40,557 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 14:30:40,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -149.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-12-01 14:30:40,558 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 14:30:40,558 INFO L168 Benchmark]: Boogie Preprocessor took 22.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 14:30:40,559 INFO L168 Benchmark]: RCFGBuilder took 562.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.4 MB). Peak memory consumption was 72.4 MB. Max. memory is 11.5 GB. [2019-12-01 14:30:40,559 INFO L168 Benchmark]: CodeCheck took 1333.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -54.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 14:30:40,559 INFO L168 Benchmark]: Witness Printer took 83.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-12-01 14:30:40,561 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: 1.2s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 798 SDtfs, 240 SDslu, 484 SDs, 0 SdLazy, 374 SolverSat, 102 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 814 GetRequests, 780 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 4099 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 643]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L184] int waterLevel = 1; [L185] int methaneLevelCritical = 0; [L442] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L652] int pumpRunning = 0; [L653] int systemActive = 1; [L121] int retValue_acc ; [L122] int tmp ; [L170] int retValue_acc ; [L173] retValue_acc = 1 [L174] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L832] int splverifierCounter ; [L833] int tmp ; [L834] int tmp___0 ; [L835] int tmp___1 ; [L836] int tmp___2 ; [L839] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L841] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L843] COND TRUE splverifierCounter < 4 [L849] tmp = __VERIFIER_nondet_int() [L851] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L853] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L202] COND TRUE waterLevel < 2 [L203] waterLevel = waterLevel + 1 [L853] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L859] tmp___0 = __VERIFIER_nondet_int() [L861] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L869] tmp___2 = __VERIFIER_nondet_int() [L871] COND FALSE !(\read(tmp___2)) [L877] tmp___1 = __VERIFIER_nondet_int() [L879] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L886] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L660] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L667] COND TRUE \read(systemActive) [L689] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L692] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L707] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L899] int tmp ; [L900] int tmp___0 ; [L901] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L905] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L223] int retValue_acc ; [L226] retValue_acc = methaneLevelCritical [L227] return (retValue_acc); [L905] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L905] tmp = isMethaneLevelCritical() [L907] COND FALSE !(\read(tmp)) [L255] int retValue_acc ; [L258] retValue_acc = waterLevel [L259] return (retValue_acc); [L911] tmp___0 = getWaterLevel() [L913] COND TRUE tmp___0 == 2 [L759] int retValue_acc ; [L762] retValue_acc = pumpRunning [L763] return (retValue_acc); [L915] tmp___1 = isPumpRunning() [L917] 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] [L643] __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 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 336.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -149.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 562.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.4 MB). Peak memory consumption was 72.4 MB. Max. memory is 11.5 GB. * CodeCheck took 1333.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -54.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 83.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...