./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_25177fc8-0ee7-46ef-9b09-f184103008f8/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_25177fc8-0ee7-46ef-9b09-f184103008f8/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_25177fc8-0ee7-46ef-9b09-f184103008f8/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_25177fc8-0ee7-46ef-9b09-f184103008f8/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product35.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_25177fc8-0ee7-46ef-9b09-f184103008f8/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_25177fc8-0ee7-46ef-9b09-f184103008f8/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 2a503d744e1f87de1c9c505a18eb69768c300bcf ....................................................................................................................................................................................................................................................................................................................... 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-a4ecdab [2020-11-28 04:42:56,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:42:56,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:42:56,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:42:56,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:42:56,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:42:56,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:42:56,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:42:56,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:42:56,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:42:56,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:42:56,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:42:56,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:42:56,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:42:56,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:42:56,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:42:56,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:42:56,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:42:56,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:42:56,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:42:56,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:42:56,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:42:56,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:42:56,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:42:56,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:42:56,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:42:56,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:42:56,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:42:56,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:42:56,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:42:56,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:42:56,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:42:56,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:42:56,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:42:56,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:42:56,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:42:56,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:42:56,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:42:56,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:42:56,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:42:56,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:42:56,247 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_25177fc8-0ee7-46ef-9b09-f184103008f8/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:42:56,276 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:42:56,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:42:56,277 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:42:56,277 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:42:56,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:42:56,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:42:56,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:42:56,279 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:42:56,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:42:56,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:42:56,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:42:56,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:42:56,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:42:56,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:42:56,281 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:42:56,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:42:56,282 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:42:56,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:42:56,282 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:42:56,283 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:42:56,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:42:56,283 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:42:56,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:42:56,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:42:56,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:42:56,285 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:42:56,285 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:42:56,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:42:56,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:42:56,286 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_25177fc8-0ee7-46ef-9b09-f184103008f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_25177fc8-0ee7-46ef-9b09-f184103008f8/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a503d744e1f87de1c9c505a18eb69768c300bcf [2020-11-28 04:42:56,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:42:56,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:42:56,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:42:56,685 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:42:56,689 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:42:56,691 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_25177fc8-0ee7-46ef-9b09-f184103008f8/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product35.cil.c [2020-11-28 04:42:56,794 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_25177fc8-0ee7-46ef-9b09-f184103008f8/bin/ukojak/data/d1e59d341/16521f54684d49eb8022f3600c4d11c6/FLAG499b90a26 [2020-11-28 04:42:57,400 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:42:57,404 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_25177fc8-0ee7-46ef-9b09-f184103008f8/sv-benchmarks/c/product-lines/minepump_spec3_product35.cil.c [2020-11-28 04:42:57,429 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_25177fc8-0ee7-46ef-9b09-f184103008f8/bin/ukojak/data/d1e59d341/16521f54684d49eb8022f3600c4d11c6/FLAG499b90a26 [2020-11-28 04:42:57,663 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_25177fc8-0ee7-46ef-9b09-f184103008f8/bin/ukojak/data/d1e59d341/16521f54684d49eb8022f3600c4d11c6 [2020-11-28 04:42:57,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:42:57,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:42:57,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:57,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:42:57,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:42:57,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:57" (1/1) ... [2020-11-28 04:42:57,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2faad53b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:57, skipping insertion in model container [2020-11-28 04:42:57,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:57" (1/1) ... [2020-11-28 04:42:57,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:42:57,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:42:58,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:42:58,237 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:42:58,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:42:58,358 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:42:58,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:58 WrapperNode [2020-11-28 04:42:58,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:58,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:42:58,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:42:58,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:42:58,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:58" (1/1) ... [2020-11-28 04:42:58,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:58" (1/1) ... [2020-11-28 04:42:58,418 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:42:58,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:42:58,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:42:58,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:42:58,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:58" (1/1) ... [2020-11-28 04:42:58,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:58" (1/1) ... [2020-11-28 04:42:58,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:58" (1/1) ... [2020-11-28 04:42:58,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:58" (1/1) ... [2020-11-28 04:42:58,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:58" (1/1) ... [2020-11-28 04:42:58,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:58" (1/1) ... [2020-11-28 04:42:58,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:58" (1/1) ... [2020-11-28 04:42:58,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:42:58,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:42:58,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:42:58,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:42:58,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_25177fc8-0ee7-46ef-9b09-f184103008f8/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 [2020-11-28 04:42:58,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:42:58,562 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:42:58,562 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:42:58,563 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:42:58,563 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:42:58,563 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:42:58,564 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:42:58,564 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:42:58,564 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:42:58,565 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:42:58,566 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:42:58,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:42:58,566 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:42:58,566 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:42:58,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:42:58,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:43:00,603 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:43:00,603 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-11-28 04:43:00,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:00 BoogieIcfgContainer [2020-11-28 04:43:00,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:43:00,607 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:43:00,607 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:43:00,619 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:43:00,619 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:00" (1/1) ... [2020-11-28 04:43:00,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:43:00,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:00,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2020-11-28 04:43:00,683 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2020-11-28 04:43:00,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:43:00,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:00,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:43:00,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:00,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2020-11-28 04:43:00,991 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2020-11-28 04:43:00,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:43:00,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:01,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:43:01,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:01,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2020-11-28 04:43:01,188 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2020-11-28 04:43:01,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:43:01,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:43:01,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:43:02,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:43:02,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 63 states and 95 transitions. [2020-11-28 04:43:02,059 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 95 transitions. [2020-11-28 04:43:02,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:43:02,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:43:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:43:02,200 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:43:02,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:43:02,303 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:43:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:43:02,605 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:43:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:43:02,713 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:43:02,791 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2020-11-28 04:43:02,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:43:02 ImpRootNode [2020-11-28 04:43:02,943 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:43:02,943 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:43:02,943 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:43:02,944 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:43:02,944 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:43:00" (3/4) ... [2020-11-28 04:43:02,947 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:43:03,187 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_25177fc8-0ee7-46ef-9b09-f184103008f8/bin/ukojak/witness.graphml [2020-11-28 04:43:03,191 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:43:03,194 INFO L168 Benchmark]: Toolchain (without parser) took 5522.90 ms. Allocated memory was 88.1 MB in the beginning and 136.3 MB in the end (delta: 48.2 MB). Free memory was 56.1 MB in the beginning and 110.6 MB in the end (delta: -54.5 MB). Peak memory consumption was 49.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:03,194 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 88.1 MB. Free memory was 44.9 MB in the beginning and 44.8 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:43:03,195 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.96 ms. Allocated memory is still 88.1 MB. Free memory was 55.7 MB in the beginning and 55.5 MB in the end (delta: 277.6 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:03,195 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.60 ms. Allocated memory is still 88.1 MB. Free memory was 55.5 MB in the beginning and 53.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:03,196 INFO L168 Benchmark]: Boogie Preprocessor took 34.84 ms. Allocated memory is still 88.1 MB. Free memory was 53.0 MB in the beginning and 50.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:03,197 INFO L168 Benchmark]: RCFGBuilder took 2151.26 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 50.9 MB in the beginning and 70.1 MB in the end (delta: -19.2 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:03,197 INFO L168 Benchmark]: CodeCheck took 2335.90 ms. Allocated memory is still 113.2 MB. Free memory was 70.1 MB in the beginning and 41.1 MB in the end (delta: 28.9 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:03,198 INFO L168 Benchmark]: Witness Printer took 248.17 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 41.1 MB in the beginning and 110.6 MB in the end (delta: -69.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:03,201 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: 2.1s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 176 SDtfs, 42 SDslu, 80 SDs, 0 SdLazy, 104 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 414 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 3026 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: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L122] int pumpRunning = 0; [L123] int systemActive = 1; [L326] int cleanupTimeShifts = 4; [L425] int waterLevel = 1; [L426] int methaneLevelCritical = 0; [L732] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L402] int retValue_acc ; [L403] int tmp ; [L545] int retValue_acc ; [L548] retValue_acc = 1 [L549] return (retValue_acc); [L409] tmp = valid_product() [L411] COND TRUE \read(tmp) [L48] int splverifierCounter ; [L49] int tmp ; [L50] int tmp___0 ; [L51] int tmp___1 ; [L52] int tmp___2 ; [L55] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L57] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L59] COND TRUE splverifierCounter < 4 [L65] tmp = __VERIFIER_nondet_int() [L67] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L443] COND TRUE waterLevel < 2 [L444] waterLevel = waterLevel + 1 [L69] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L75] tmp___0 = __VERIFIER_nondet_int() [L77] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L85] tmp___2 = __VERIFIER_nondet_int() [L87] COND FALSE !(\read(tmp___2)) [L91] tmp___1 = __VERIFIER_nondet_int() [L93] COND TRUE \read(tmp___1) [L278] COND FALSE !(\read(pumpRunning)) [L285] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L102] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L130] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L137] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L293] int tmp ; [L294] int tmp___0 ; [L295] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L299] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L464] int retValue_acc ; [L467] retValue_acc = methaneLevelCritical [L468] return (retValue_acc); [L299] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L299] tmp = isMethaneLevelCritical() [L301] COND FALSE !(\read(tmp)) [L496] int retValue_acc ; [L499] retValue_acc = waterLevel [L500] return (retValue_acc); [L305] tmp___0 = getWaterLevel() [L307] COND TRUE tmp___0 == 2 [L211] int retValue_acc ; [L214] retValue_acc = pumpRunning [L215] return (retValue_acc); [L309] tmp___1 = isPumpRunning() [L311] COND FALSE !(\read(tmp___1)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product35.cil.c", 3, "reach_error") VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 88.1 MB. Free memory was 44.9 MB in the beginning and 44.8 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 684.96 ms. Allocated memory is still 88.1 MB. Free memory was 55.7 MB in the beginning and 55.5 MB in the end (delta: 277.6 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.60 ms. Allocated memory is still 88.1 MB. Free memory was 55.5 MB in the beginning and 53.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.84 ms. Allocated memory is still 88.1 MB. Free memory was 53.0 MB in the beginning and 50.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2151.26 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 50.9 MB in the beginning and 70.1 MB in the end (delta: -19.2 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. * CodeCheck took 2335.90 ms. Allocated memory is still 113.2 MB. Free memory was 70.1 MB in the beginning and 41.1 MB in the end (delta: 28.9 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. * Witness Printer took 248.17 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 41.1 MB in the beginning and 110.6 MB in the end (delta: -69.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...