./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3ec97aa9-13b6-4ec8-87c2-12007f603af8/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3ec97aa9-13b6-4ec8-87c2-12007f603af8/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3ec97aa9-13b6-4ec8-87c2-12007f603af8/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3ec97aa9-13b6-4ec8-87c2-12007f603af8/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product18.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3ec97aa9-13b6-4ec8-87c2-12007f603af8/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3ec97aa9-13b6-4ec8-87c2-12007f603af8/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e775674397a9c2f1915fc4aeec4057e4316f59fc ..................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:42:02,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:42:02,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:42:02,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:42:02,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:42:02,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:42:02,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:42:02,244 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:42:02,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:42:02,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:42:02,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:42:02,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:42:02,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:42:02,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:42:02,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:42:02,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:42:02,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:42:02,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:42:02,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:42:02,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:42:02,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:42:02,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:42:02,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:42:02,295 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:42:02,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:42:02,306 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:42:02,306 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:42:02,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:42:02,309 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:42:02,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:42:02,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:42:02,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:42:02,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:42:02,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:42:02,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:42:02,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:42:02,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:42:02,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:42:02,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:42:02,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:42:02,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:42:02,327 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3ec97aa9-13b6-4ec8-87c2-12007f603af8/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:42:02,372 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:42:02,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:42:02,374 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:42:02,374 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:42:02,375 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:42:02,375 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:42:02,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:42:02,376 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:42:02,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:42:02,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:42:02,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:42:02,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:42:02,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:42:02,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:42:02,379 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:42:02,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:42:02,379 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:42:02,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:42:02,380 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:42:02,380 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:42:02,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:42:02,381 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:42:02,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:42:02,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:42:02,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:42:02,382 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:42:02,382 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:42:02,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:42:02,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:42:02,384 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_3ec97aa9-13b6-4ec8-87c2-12007f603af8/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3ec97aa9-13b6-4ec8-87c2-12007f603af8/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e775674397a9c2f1915fc4aeec4057e4316f59fc [2020-12-01 17:42:02,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:42:02,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:42:02,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:42:02,756 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:42:02,757 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:42:02,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3ec97aa9-13b6-4ec8-87c2-12007f603af8/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product18.cil.c [2020-12-01 17:42:02,832 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3ec97aa9-13b6-4ec8-87c2-12007f603af8/bin/ukojak/data/d5c5cd36a/94b113efd9ba425baf80375d17605883/FLAGffef0591c [2020-12-01 17:42:03,489 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:42:03,490 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3ec97aa9-13b6-4ec8-87c2-12007f603af8/sv-benchmarks/c/product-lines/minepump_spec3_product18.cil.c [2020-12-01 17:42:03,511 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3ec97aa9-13b6-4ec8-87c2-12007f603af8/bin/ukojak/data/d5c5cd36a/94b113efd9ba425baf80375d17605883/FLAGffef0591c [2020-12-01 17:42:03,738 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3ec97aa9-13b6-4ec8-87c2-12007f603af8/bin/ukojak/data/d5c5cd36a/94b113efd9ba425baf80375d17605883 [2020-12-01 17:42:03,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:42:03,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:42:03,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:42:03,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:42:03,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:42:03,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:42:03" (1/1) ... [2020-12-01 17:42:03,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3599df0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:42:03, skipping insertion in model container [2020-12-01 17:42:03,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:42:03" (1/1) ... [2020-12-01 17:42:03,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:42:03,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:42:04,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:42:04,189 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:42:04,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:42:04,333 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:42:04,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:42:04 WrapperNode [2020-12-01 17:42:04,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:42:04,336 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:42:04,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:42:04,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:42:04,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:42:04" (1/1) ... [2020-12-01 17:42:04,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:42:04" (1/1) ... [2020-12-01 17:42:04,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:42:04,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:42:04,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:42:04,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:42:04,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:42:04" (1/1) ... [2020-12-01 17:42:04,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:42:04" (1/1) ... [2020-12-01 17:42:04,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:42:04" (1/1) ... [2020-12-01 17:42:04,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:42:04" (1/1) ... [2020-12-01 17:42:04,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:42:04" (1/1) ... [2020-12-01 17:42:04,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:42:04" (1/1) ... [2020-12-01 17:42:04,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:42:04" (1/1) ... [2020-12-01 17:42:04,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:42:04,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:42:04,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:42:04,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:42:04,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:42:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ec97aa9-13b6-4ec8-87c2-12007f603af8/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:42:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:42:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 17:42:04,590 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 17:42:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 17:42:04,590 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 17:42:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 17:42:04,591 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 17:42:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 17:42:04,592 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 17:42:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 17:42:04,592 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 17:42:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:42:04,593 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 17:42:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 17:42:04,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:42:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:42:06,083 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:42:06,084 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-12-01 17:42:06,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:42:06 BoogieIcfgContainer [2020-12-01 17:42:06,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:42:06,088 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:42:06,088 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:42:06,100 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:42:06,101 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:42:06" (1/1) ... [2020-12-01 17:42:06,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:42:06,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:06,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2020-12-01 17:42:06,173 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2020-12-01 17:42:06,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:42:06,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:06,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:42:06,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:06,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2020-12-01 17:42:06,513 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2020-12-01 17:42:06,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:42:06,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:06,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:42:06,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:06,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2020-12-01 17:42:06,720 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2020-12-01 17:42:06,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:42:06,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:06,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:42:07,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:07,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 63 states and 95 transitions. [2020-12-01 17:42:07,306 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 95 transitions. [2020-12-01 17:42:07,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:42:07,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:07,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:42:07,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:07,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 65 states and 98 transitions. [2020-12-01 17:42:07,583 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 98 transitions. [2020-12-01 17:42:07,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:42:07,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:07,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:42:08,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:08,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 75 states and 125 transitions. [2020-12-01 17:42:08,526 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 125 transitions. [2020-12-01 17:42:08,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:42:08,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:08,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:42:10,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:10,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 89 states and 167 transitions. [2020-12-01 17:42:10,629 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 167 transitions. [2020-12-01 17:42:10,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:42:10,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:10,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:42:10,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:10,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 91 states and 172 transitions. [2020-12-01 17:42:10,926 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 172 transitions. [2020-12-01 17:42:10,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:42:10,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:42:11,011 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:42:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:42:11,095 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:42:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:42:11,355 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:42:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:42:11,439 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:42:12,474 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2020-12-01 17:42:12,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:42:12 ImpRootNode [2020-12-01 17:42:12,629 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:42:12,630 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:42:12,630 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:42:12,630 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:42:12,631 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:42:06" (3/4) ... [2020-12-01 17:42:12,640 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 17:42:12,746 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3ec97aa9-13b6-4ec8-87c2-12007f603af8/bin/ukojak/witness.graphml [2020-12-01 17:42:12,747 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:42:12,749 INFO L168 Benchmark]: Toolchain (without parser) took 9002.87 ms. Allocated memory was 86.0 MB in the beginning and 151.0 MB in the end (delta: 65.0 MB). Free memory was 48.9 MB in the beginning and 98.2 MB in the end (delta: -49.3 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2020-12-01 17:42:12,749 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 86.0 MB. Free memory is still 65.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:42:12,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 585.27 ms. Allocated memory is still 86.0 MB. Free memory was 48.7 MB in the beginning and 52.4 MB in the end (delta: -3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:42:12,751 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.81 ms. Allocated memory is still 86.0 MB. Free memory was 52.4 MB in the beginning and 49.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:42:12,752 INFO L168 Benchmark]: Boogie Preprocessor took 71.00 ms. Allocated memory is still 86.0 MB. Free memory was 49.6 MB in the beginning and 47.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:42:12,754 INFO L168 Benchmark]: RCFGBuilder took 1578.12 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 47.7 MB in the beginning and 79.3 MB in the end (delta: -31.6 MB). Peak memory consumption was 43.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:42:12,755 INFO L168 Benchmark]: CodeCheck took 6541.39 ms. Allocated memory was 104.9 MB in the beginning and 151.0 MB in the end (delta: 46.1 MB). Free memory was 79.3 MB in the beginning and 108.6 MB in the end (delta: -29.3 MB). Peak memory consumption was 75.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:42:12,756 INFO L168 Benchmark]: Witness Printer took 117.10 ms. Allocated memory is still 151.0 MB. Free memory was 108.6 MB in the beginning and 98.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:42:12,760 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.3s, OverallIterations: 8, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3232 SDtfs, 1032 SDslu, 2168 SDs, 0 SdLazy, 1804 SolverSat, 532 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1365 GetRequests, 1281 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2302 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 177 NumberOfCodeBlocks, 177 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 7331 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L42] int cleanupTimeShifts = 4; [L151] int waterLevel = 1; [L152] int methaneLevelCritical = 0; [L409] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L610] int pumpRunning = 0; [L611] int systemActive = 1; [L123] int retValue_acc ; [L124] int tmp ; [L864] int retValue_acc ; [L867] retValue_acc = 1 [L868] return (retValue_acc); [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L772] int splverifierCounter ; [L773] int tmp ; [L774] int tmp___0 ; [L775] int tmp___1 ; [L776] int tmp___2 ; [L779] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L781] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L783] COND TRUE splverifierCounter < 4 [L789] tmp = __VERIFIER_nondet_int() [L791] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L793] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L169] COND TRUE waterLevel < 2 [L170] waterLevel = waterLevel + 1 [L793] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L799] tmp___0 = __VERIFIER_nondet_int() [L801] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L809] tmp___2 = __VERIFIER_nondet_int() [L811] COND TRUE \read(tmp___2) [L766] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L826] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L618] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L625] COND TRUE \read(systemActive) [L647] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L650] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L665] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L875] int tmp ; [L876] int tmp___0 ; [L877] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L881] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L190] int retValue_acc ; [L193] retValue_acc = methaneLevelCritical [L194] return (retValue_acc); [L881] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L881] tmp = isMethaneLevelCritical() [L883] COND FALSE !(\read(tmp)) [L222] int retValue_acc ; [L225] retValue_acc = waterLevel [L226] return (retValue_acc); [L887] tmp___0 = getWaterLevel() [L889] COND TRUE tmp___0 == 2 [L699] int retValue_acc ; [L702] retValue_acc = pumpRunning [L703] return (retValue_acc); [L891] tmp___1 = isPumpRunning() [L893] COND FALSE !(\read(tmp___1)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product18.cil.c", 3, "reach_error") VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 86.0 MB. Free memory is still 65.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 585.27 ms. Allocated memory is still 86.0 MB. Free memory was 48.7 MB in the beginning and 52.4 MB in the end (delta: -3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.81 ms. Allocated memory is still 86.0 MB. Free memory was 52.4 MB in the beginning and 49.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.00 ms. Allocated memory is still 86.0 MB. Free memory was 49.6 MB in the beginning and 47.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1578.12 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 47.7 MB in the beginning and 79.3 MB in the end (delta: -31.6 MB). Peak memory consumption was 43.2 MB. Max. memory is 16.1 GB. * CodeCheck took 6541.39 ms. Allocated memory was 104.9 MB in the beginning and 151.0 MB in the end (delta: 46.1 MB). Free memory was 79.3 MB in the beginning and 108.6 MB in the end (delta: -29.3 MB). Peak memory consumption was 75.4 MB. Max. memory is 16.1 GB. * Witness Printer took 117.10 ms. Allocated memory is still 151.0 MB. Free memory was 108.6 MB in the beginning and 98.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...