./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product51.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_4456ec22-13f9-4ca7-a987-f640a54e8a80/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4456ec22-13f9-4ca7-a987-f640a54e8a80/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4456ec22-13f9-4ca7-a987-f640a54e8a80/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4456ec22-13f9-4ca7-a987-f640a54e8a80/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product51.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4456ec22-13f9-4ca7-a987-f640a54e8a80/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4456ec22-13f9-4ca7-a987-f640a54e8a80/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 766a879002f02395031e659ac25b856858b20e6e ................................................................................................................................................................................................................................................................................................................................................................ 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 16:17:10,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:17:10,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:17:10,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:17:10,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:17:10,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:17:10,266 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:17:10,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:17:10,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:17:10,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:17:10,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:17:10,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:17:10,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:17:10,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:17:10,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:17:10,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:17:10,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:17:10,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:17:10,291 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:17:10,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:17:10,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:17:10,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:17:10,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:17:10,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:17:10,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:17:10,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:17:10,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:17:10,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:17:10,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:17:10,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:17:10,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:17:10,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:17:10,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:17:10,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:17:10,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:17:10,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:17:10,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:17:10,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:17:10,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:17:10,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:17:10,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:17:10,336 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4456ec22-13f9-4ca7-a987-f640a54e8a80/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:17:10,379 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:17:10,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:17:10,381 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:17:10,381 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:17:10,382 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:17:10,382 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:17:10,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:17:10,382 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:17:10,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:17:10,383 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:17:10,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:17:10,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:17:10,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:17:10,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:17:10,385 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:17:10,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:17:10,385 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:17:10,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:17:10,385 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:17:10,386 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:17:10,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:17:10,386 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:17:10,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:17:10,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:17:10,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:17:10,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:17:10,387 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:17:10,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:17:10,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:17:10,388 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_4456ec22-13f9-4ca7-a987-f640a54e8a80/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4456ec22-13f9-4ca7-a987-f640a54e8a80/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 766a879002f02395031e659ac25b856858b20e6e [2020-12-01 16:17:10,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:17:10,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:17:10,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:17:10,682 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:17:10,683 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:17:10,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4456ec22-13f9-4ca7-a987-f640a54e8a80/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product51.cil.c [2020-12-01 16:17:10,756 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4456ec22-13f9-4ca7-a987-f640a54e8a80/bin/ukojak/data/e7ddfaae8/40163b885c2b48fa9f38c42f9e09ed7a/FLAG042b88890 [2020-12-01 16:17:11,185 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:17:11,185 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4456ec22-13f9-4ca7-a987-f640a54e8a80/sv-benchmarks/c/product-lines/minepump_spec3_product51.cil.c [2020-12-01 16:17:11,209 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4456ec22-13f9-4ca7-a987-f640a54e8a80/bin/ukojak/data/e7ddfaae8/40163b885c2b48fa9f38c42f9e09ed7a/FLAG042b88890 [2020-12-01 16:17:11,531 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4456ec22-13f9-4ca7-a987-f640a54e8a80/bin/ukojak/data/e7ddfaae8/40163b885c2b48fa9f38c42f9e09ed7a [2020-12-01 16:17:11,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:17:11,535 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:17:11,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:17:11,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:17:11,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:17:11,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:17:11" (1/1) ... [2020-12-01 16:17:11,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6825ff42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:11, skipping insertion in model container [2020-12-01 16:17:11,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:17:11" (1/1) ... [2020-12-01 16:17:11,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:17:11,610 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:17:11,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:17:11,962 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:17:12,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:17:12,139 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:17:12,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:12 WrapperNode [2020-12-01 16:17:12,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:17:12,141 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:17:12,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:17:12,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:17:12,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:12" (1/1) ... [2020-12-01 16:17:12,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:12" (1/1) ... [2020-12-01 16:17:12,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:17:12,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:17:12,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:17:12,260 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:17:12,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:12" (1/1) ... [2020-12-01 16:17:12,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:12" (1/1) ... [2020-12-01 16:17:12,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:12" (1/1) ... [2020-12-01 16:17:12,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:12" (1/1) ... [2020-12-01 16:17:12,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:12" (1/1) ... [2020-12-01 16:17:12,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:12" (1/1) ... [2020-12-01 16:17:12,325 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:12" (1/1) ... [2020-12-01 16:17:12,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:17:12,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:17:12,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:17:12,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:17:12,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4456ec22-13f9-4ca7-a987-f640a54e8a80/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 16:17:12,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:17:12,419 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 16:17:12,419 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 16:17:12,420 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 16:17:12,421 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 16:17:12,421 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 16:17:12,421 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 16:17:12,421 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 16:17:12,421 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 16:17:12,423 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-12-01 16:17:12,424 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-12-01 16:17:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 16:17:12,424 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 16:17:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 16:17:12,424 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 16:17:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:17:12,424 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 16:17:12,425 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 16:17:12,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:17:12,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:17:13,886 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:17:13,886 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-12-01 16:17:13,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:17:13 BoogieIcfgContainer [2020-12-01 16:17:13,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:17:13,890 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:17:13,890 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:17:13,900 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:17:13,901 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:17:13" (1/1) ... [2020-12-01 16:17:13,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:17:13,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:13,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 62 states and 84 transitions. [2020-12-01 16:17:13,950 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2020-12-01 16:17:13,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:17:13,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:14,217 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 16:17:14,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:14,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 62 states and 82 transitions. [2020-12-01 16:17:14,230 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2020-12-01 16:17:14,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:17:14,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:14,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:14,338 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 16:17:14,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:14,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 64 states and 85 transitions. [2020-12-01 16:17:14,402 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2020-12-01 16:17:14,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:17:14,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:14,498 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 16:17:14,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:14,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 74 states and 105 transitions. [2020-12-01 16:17:14,696 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2020-12-01 16:17:14,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 16:17:14,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:14,756 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 16:17:14,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:14,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 75 states and 106 transitions. [2020-12-01 16:17:14,766 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2020-12-01 16:17:14,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:17:14,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:14,864 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 16:17:14,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:14,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 76 states and 107 transitions. [2020-12-01 16:17:14,878 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2020-12-01 16:17:14,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:17:14,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:14,935 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 16:17:14,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:14,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 77 states and 108 transitions. [2020-12-01 16:17:14,950 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2020-12-01 16:17:14,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:17:14,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:15,039 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 16:17:15,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:15,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 88 states and 131 transitions. [2020-12-01 16:17:15,533 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 131 transitions. [2020-12-01 16:17:15,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:17:15,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:15,678 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 16:17:16,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:16,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 106 states and 173 transitions. [2020-12-01 16:17:16,608 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 173 transitions. [2020-12-01 16:17:16,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:17:16,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:17:16,717 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:17:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:17:16,786 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:17:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:17:17,111 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:17:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:17:17,232 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:17:18,102 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2020-12-01 16:17:18,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:17:18 ImpRootNode [2020-12-01 16:17:18,225 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:17:18,226 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:17:18,226 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:17:18,227 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:17:18,227 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:17:13" (3/4) ... [2020-12-01 16:17:18,232 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 16:17:18,356 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4456ec22-13f9-4ca7-a987-f640a54e8a80/bin/ukojak/witness.graphml [2020-12-01 16:17:18,357 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:17:18,359 INFO L168 Benchmark]: Toolchain (without parser) took 6823.34 ms. Allocated memory was 79.7 MB in the beginning and 142.6 MB in the end (delta: 62.9 MB). Free memory was 41.9 MB in the beginning and 81.5 MB in the end (delta: -39.5 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:18,360 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 79.7 MB. Free memory is still 58.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:17:18,360 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.89 ms. Allocated memory is still 79.7 MB. Free memory was 41.7 MB in the beginning and 46.4 MB in the end (delta: -4.7 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:18,366 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.21 ms. Allocated memory is still 79.7 MB. Free memory was 46.2 MB in the beginning and 43.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:18,367 INFO L168 Benchmark]: Boogie Preprocessor took 74.44 ms. Allocated memory is still 79.7 MB. Free memory was 43.6 MB in the beginning and 41.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:18,367 INFO L168 Benchmark]: RCFGBuilder took 1553.85 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 41.8 MB in the beginning and 49.7 MB in the end (delta: -7.9 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:18,368 INFO L168 Benchmark]: CodeCheck took 4335.86 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 49.7 MB in the beginning and 93.0 MB in the end (delta: -43.3 MB). Peak memory consumption was 1.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:18,369 INFO L168 Benchmark]: Witness Printer took 131.51 ms. Allocated memory is still 142.6 MB. Free memory was 92.0 MB in the beginning and 81.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:18,371 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 9 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.1s, OverallIterations: 9, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5688 SDtfs, 1724 SDslu, 2880 SDs, 0 SdLazy, 2174 SolverSat, 738 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1416 GetRequests, 1364 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 919 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 203 NumberOfCodeBlocks, 203 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 168 ConstructedInterpolants, 0 QuantifiedInterpolants, 9321 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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: [L50] int waterLevel = 1; [L51] int methaneLevelCritical = 0; [L227] int pumpRunning = 0; [L228] int systemActive = 1; [L475] int cleanupTimeShifts = 4; [L778] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L551] int retValue_acc ; [L552] int tmp ; [L600] int retValue_acc ; [L603] retValue_acc = 1 [L604] return (retValue_acc); [L558] tmp = valid_product() [L560] COND TRUE \read(tmp) [L157] int splverifierCounter ; [L158] int tmp ; [L159] int tmp___0 ; [L160] int tmp___1 ; [L161] int tmp___2 ; [L164] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L166] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L168] COND TRUE splverifierCounter < 4 [L174] tmp = __VERIFIER_nondet_int() [L176] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L178] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L68] COND TRUE waterLevel < 2 [L69] waterLevel = waterLevel + 1 [L178] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L184] tmp___0 = __VERIFIER_nondet_int() [L186] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L194] tmp___2 = __VERIFIER_nondet_int() [L196] COND FALSE !(\read(tmp___2)) [L200] tmp___1 = __VERIFIER_nondet_int() [L202] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L428] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L435] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L211] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L235] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L242] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L442] int tmp ; [L443] int tmp___0 ; [L444] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L448] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L89] int retValue_acc ; [L92] retValue_acc = methaneLevelCritical [L93] return (retValue_acc); [L448] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L448] tmp = isMethaneLevelCritical() [L450] COND FALSE !(\read(tmp)) [L121] int retValue_acc ; [L124] retValue_acc = waterLevel [L125] return (retValue_acc); [L454] tmp___0 = getWaterLevel() [L456] COND TRUE tmp___0 == 2 [L342] int retValue_acc ; [L345] retValue_acc = pumpRunning [L346] return (retValue_acc); [L458] tmp___1 = isPumpRunning() [L460] 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_product51.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 0.26 ms. Allocated memory is still 79.7 MB. Free memory is still 58.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 601.89 ms. Allocated memory is still 79.7 MB. Free memory was 41.7 MB in the beginning and 46.4 MB in the end (delta: -4.7 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 118.21 ms. Allocated memory is still 79.7 MB. Free memory was 46.2 MB in the beginning and 43.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.44 ms. Allocated memory is still 79.7 MB. Free memory was 43.6 MB in the beginning and 41.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1553.85 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 41.8 MB in the beginning and 49.7 MB in the end (delta: -7.9 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. * CodeCheck took 4335.86 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 49.7 MB in the beginning and 93.0 MB in the end (delta: -43.3 MB). Peak memory consumption was 1.5 MB. Max. memory is 16.1 GB. * Witness Printer took 131.51 ms. Allocated memory is still 142.6 MB. Free memory was 92.0 MB in the beginning and 81.5 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...