./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product63.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_4ad10a73-a446-41a7-b1db-3b7511fab449/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4ad10a73-a446-41a7-b1db-3b7511fab449/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4ad10a73-a446-41a7-b1db-3b7511fab449/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4ad10a73-a446-41a7-b1db-3b7511fab449/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product63.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4ad10a73-a446-41a7-b1db-3b7511fab449/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4ad10a73-a446-41a7-b1db-3b7511fab449/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 7819fbe7d63fc779c0cf34c98e41b55fde6ca155 ............................................................................................................................................................................................................................................................................................................................................................. 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 16:20:10,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:20:10,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:20:10,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:20:10,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:20:10,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:20:10,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:20:10,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:20:10,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:20:10,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:20:10,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:20:10,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:20:10,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:20:10,334 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:20:10,335 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:20:10,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:20:10,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:20:10,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:20:10,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:20:10,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:20:10,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:20:10,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:20:10,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:20:10,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:20:10,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:20:10,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:20:10,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:20:10,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:20:10,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:20:10,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:20:10,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:20:10,371 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:20:10,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:20:10,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:20:10,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:20:10,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:20:10,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:20:10,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:20:10,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:20:10,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:20:10,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:20:10,381 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4ad10a73-a446-41a7-b1db-3b7511fab449/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:20:10,418 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:20:10,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:20:10,420 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:20:10,420 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:20:10,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:20:10,421 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:20:10,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:20:10,421 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:20:10,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:20:10,421 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:20:10,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:20:10,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:20:10,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:20:10,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:20:10,423 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:20:10,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:20:10,424 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:20:10,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:20:10,424 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:20:10,424 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:20:10,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:20:10,425 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:20:10,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:20:10,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:20:10,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:20:10,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:20:10,426 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:20:10,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:20:10,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:20:10,426 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_4ad10a73-a446-41a7-b1db-3b7511fab449/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4ad10a73-a446-41a7-b1db-3b7511fab449/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7819fbe7d63fc779c0cf34c98e41b55fde6ca155 [2020-12-01 16:20:10,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:20:10,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:20:10,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:20:10,717 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:20:10,719 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:20:10,720 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4ad10a73-a446-41a7-b1db-3b7511fab449/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product63.cil.c [2020-12-01 16:20:10,803 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4ad10a73-a446-41a7-b1db-3b7511fab449/bin/ukojak/data/42eca0ed7/302da10cca0a4efc9436930ad7612c9b/FLAG4272d0082 [2020-12-01 16:20:11,354 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:20:11,355 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4ad10a73-a446-41a7-b1db-3b7511fab449/sv-benchmarks/c/product-lines/minepump_spec3_product63.cil.c [2020-12-01 16:20:11,377 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4ad10a73-a446-41a7-b1db-3b7511fab449/bin/ukojak/data/42eca0ed7/302da10cca0a4efc9436930ad7612c9b/FLAG4272d0082 [2020-12-01 16:20:11,650 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4ad10a73-a446-41a7-b1db-3b7511fab449/bin/ukojak/data/42eca0ed7/302da10cca0a4efc9436930ad7612c9b [2020-12-01 16:20:11,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:20:11,654 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:20:11,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:20:11,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:20:11,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:20:11,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:20:11" (1/1) ... [2020-12-01 16:20:11,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27e6c34a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:11, skipping insertion in model container [2020-12-01 16:20:11,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:20:11" (1/1) ... [2020-12-01 16:20:11,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:20:11,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:20:12,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:20:12,164 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:20:12,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:20:12,349 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:20:12,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:12 WrapperNode [2020-12-01 16:20:12,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:20:12,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:20:12,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:20:12,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:20:12,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:12" (1/1) ... [2020-12-01 16:20:12,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:12" (1/1) ... [2020-12-01 16:20:12,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:20:12,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:20:12,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:20:12,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:20:12,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:12" (1/1) ... [2020-12-01 16:20:12,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:12" (1/1) ... [2020-12-01 16:20:12,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:12" (1/1) ... [2020-12-01 16:20:12,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:12" (1/1) ... [2020-12-01 16:20:12,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:12" (1/1) ... [2020-12-01 16:20:12,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:12" (1/1) ... [2020-12-01 16:20:12,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:12" (1/1) ... [2020-12-01 16:20:12,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:20:12,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:20:12,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:20:12,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:20:12,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:20:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ad10a73-a446-41a7-b1db-3b7511fab449/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 16:20:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:20:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 16:20:12,597 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 16:20:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 16:20:12,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 16:20:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 16:20:12,598 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 16:20:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 16:20:12,598 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 16:20:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-12-01 16:20:12,599 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-12-01 16:20:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 16:20:12,599 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 16:20:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 16:20:12,600 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 16:20:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-12-01 16:20:12,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-12-01 16:20:12,600 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 16:20:12,600 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 16:20:12,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:20:12,601 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 16:20:12,601 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 16:20:12,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:20:12,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:20:13,962 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:20:13,963 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-12-01 16:20:13,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:20:13 BoogieIcfgContainer [2020-12-01 16:20:13,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:20:13,968 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:20:13,968 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:20:13,979 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:20:13,980 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:20:13" (1/1) ... [2020-12-01 16:20:13,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:20:14,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:14,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 78 states and 106 transitions. [2020-12-01 16:20:14,054 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2020-12-01 16:20:14,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:20:14,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:14,277 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 16:20:14,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:14,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 78 states and 104 transitions. [2020-12-01 16:20:14,292 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 104 transitions. [2020-12-01 16:20:14,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:20:14,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:14,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:14,436 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 16:20:14,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:14,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 80 states and 107 transitions. [2020-12-01 16:20:14,485 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 107 transitions. [2020-12-01 16:20:14,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:20:14,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:14,591 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 16:20:14,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:14,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 90 states and 128 transitions. [2020-12-01 16:20:14,845 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 128 transitions. [2020-12-01 16:20:14,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 16:20:14,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:14,906 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 16:20:14,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:14,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 91 states and 129 transitions. [2020-12-01 16:20:14,930 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2020-12-01 16:20:14,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:20:14,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:15,080 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 16:20:15,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:15,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 92 states and 130 transitions. [2020-12-01 16:20:15,116 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 130 transitions. [2020-12-01 16:20:15,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:20:15,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:15,198 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 16:20:15,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:15,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 93 states and 131 transitions. [2020-12-01 16:20:15,219 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 131 transitions. [2020-12-01 16:20:15,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:20:15,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:20:15,359 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 16:20:16,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:20:16,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 111 states and 173 transitions. [2020-12-01 16:20:16,150 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 173 transitions. [2020-12-01 16:20:16,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:20:16,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:20:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:20:16,229 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:20:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:20:16,315 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:20:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:20:16,623 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:20:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:20:16,764 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:20:17,550 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2020-12-01 16:20:17,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:20:17 ImpRootNode [2020-12-01 16:20:17,650 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:20:17,650 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:20:17,651 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:20:17,651 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:20:17,651 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:20:13" (3/4) ... [2020-12-01 16:20:17,653 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 16:20:17,781 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4ad10a73-a446-41a7-b1db-3b7511fab449/bin/ukojak/witness.graphml [2020-12-01 16:20:17,782 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:20:17,783 INFO L168 Benchmark]: Toolchain (without parser) took 6127.98 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 87.1 MB in the beginning and 87.7 MB in the end (delta: -648.3 kB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:20:17,786 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory was 42.3 MB in the beginning and 42.3 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:20:17,788 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.39 ms. Allocated memory is still 117.4 MB. Free memory was 86.8 MB in the beginning and 81.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:20:17,788 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.95 ms. Allocated memory is still 117.4 MB. Free memory was 81.7 MB in the beginning and 79.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:20:17,789 INFO L168 Benchmark]: Boogie Preprocessor took 58.29 ms. Allocated memory is still 117.4 MB. Free memory was 79.1 MB in the beginning and 77.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:20:17,790 INFO L168 Benchmark]: RCFGBuilder took 1440.91 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 77.0 MB in the beginning and 109.5 MB in the end (delta: -32.5 MB). Peak memory consumption was 33.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:20:17,791 INFO L168 Benchmark]: CodeCheck took 3682.34 ms. Allocated memory is still 142.6 MB. Free memory was 109.5 MB in the beginning and 98.2 MB in the end (delta: 11.3 MB). Peak memory consumption was 65.8 MB. Max. memory is 16.1 GB. [2020-12-01 16:20:17,791 INFO L168 Benchmark]: Witness Printer took 131.55 ms. Allocated memory is still 142.6 MB. Free memory was 98.2 MB in the beginning and 87.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:20:17,793 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 11 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.5s, OverallIterations: 8, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3040 SDtfs, 912 SDslu, 1420 SDs, 0 SdLazy, 994 SolverSat, 302 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1207 GetRequests, 1177 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 177 NumberOfCodeBlocks, 177 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 7159 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; [L190] int pumpRunning = 0; [L191] int systemActive = 1; [L514] int waterLevel = 1; [L515] int methaneLevelCritical = 0; [L829] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L123] int retValue_acc ; [L124] int tmp ; [L172] int retValue_acc ; [L175] retValue_acc = 1 [L176] return (retValue_acc); [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L447] int splverifierCounter ; [L448] int tmp ; [L449] int tmp___0 ; [L450] int tmp___1 ; [L451] int tmp___2 ; [L454] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L456] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L458] COND TRUE splverifierCounter < 4 [L464] tmp = __VERIFIER_nondet_int() [L466] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L468] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L532] COND TRUE waterLevel < 2 [L533] waterLevel = waterLevel + 1 [L468] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L474] tmp___0 = __VERIFIER_nondet_int() [L476] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L484] tmp___2 = __VERIFIER_nondet_int() [L486] COND FALSE !(\read(tmp___2)) [L490] tmp___1 = __VERIFIER_nondet_int() [L492] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L434] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L441] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L501] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L198] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L205] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L627] int tmp ; [L628] int tmp___0 ; [L629] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L633] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L553] int retValue_acc ; [L556] retValue_acc = methaneLevelCritical [L557] return (retValue_acc); [L633] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L633] tmp = isMethaneLevelCritical() [L635] COND FALSE !(\read(tmp)) [L585] int retValue_acc ; [L588] retValue_acc = waterLevel [L589] return (retValue_acc); [L639] tmp___0 = getWaterLevel() [L641] COND TRUE tmp___0 == 2 [L348] int retValue_acc ; [L351] retValue_acc = pumpRunning [L352] return (retValue_acc); [L643] tmp___1 = isPumpRunning() [L645] 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_product63.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 0.27 ms. Allocated memory is still 83.9 MB. Free memory was 42.3 MB in the beginning and 42.3 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 695.39 ms. Allocated memory is still 117.4 MB. Free memory was 86.8 MB in the beginning and 81.7 MB in the end (delta: 5.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 112.95 ms. Allocated memory is still 117.4 MB. Free memory was 81.7 MB in the beginning and 79.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.29 ms. Allocated memory is still 117.4 MB. Free memory was 79.1 MB in the beginning and 77.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1440.91 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 77.0 MB in the beginning and 109.5 MB in the end (delta: -32.5 MB). Peak memory consumption was 33.0 MB. Max. memory is 16.1 GB. * CodeCheck took 3682.34 ms. Allocated memory is still 142.6 MB. Free memory was 109.5 MB in the beginning and 98.2 MB in the end (delta: 11.3 MB). Peak memory consumption was 65.8 MB. Max. memory is 16.1 GB. * Witness Printer took 131.55 ms. Allocated memory is still 142.6 MB. Free memory was 98.2 MB in the beginning and 87.7 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...