./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4c807e01-b01b-4db9-8512-eee81bd1bce6/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4c807e01-b01b-4db9-8512-eee81bd1bce6/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4c807e01-b01b-4db9-8512-eee81bd1bce6/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4c807e01-b01b-4db9-8512-eee81bd1bce6/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product18.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4c807e01-b01b-4db9-8512-eee81bd1bce6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4c807e01-b01b-4db9-8512-eee81bd1bce6/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e775674397a9c2f1915fc4aeec4057e4316f59fc ....................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:32:15,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:32:15,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:32:15,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:32:15,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:32:15,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:32:15,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:32:15,233 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:32:15,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:32:15,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:32:15,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:32:15,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:32:15,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:32:15,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:32:15,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:32:15,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:32:15,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:32:15,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:32:15,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:32:15,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:32:15,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:32:15,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:32:15,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:32:15,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:32:15,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:32:15,294 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:32:15,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:32:15,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:32:15,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:32:15,299 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:32:15,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:32:15,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:32:15,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:32:15,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:32:15,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:32:15,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:32:15,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:32:15,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:32:15,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:32:15,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:32:15,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:32:15,313 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4c807e01-b01b-4db9-8512-eee81bd1bce6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:32:15,351 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:32:15,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:32:15,352 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:32:15,353 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:32:15,354 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:32:15,354 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:32:15,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:32:15,354 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:32:15,355 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:32:15,355 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:32:15,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:32:15,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:32:15,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:32:15,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:32:15,357 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:32:15,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:32:15,357 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:32:15,357 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:32:15,358 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:32:15,358 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:32:15,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:32:15,358 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:32:15,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:32:15,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:32:15,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:32:15,359 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:32:15,360 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:32:15,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:32:15,360 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:32:15,362 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_4c807e01-b01b-4db9-8512-eee81bd1bce6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4c807e01-b01b-4db9-8512-eee81bd1bce6/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e775674397a9c2f1915fc4aeec4057e4316f59fc [2020-11-28 04:32:15,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:32:15,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:32:15,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:32:15,642 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:32:15,643 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:32:15,644 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4c807e01-b01b-4db9-8512-eee81bd1bce6/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product18.cil.c [2020-11-28 04:32:15,707 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c807e01-b01b-4db9-8512-eee81bd1bce6/bin/ukojak/data/e37807bcd/9a3081af741c4f48925bf58db19428fe/FLAGbf61987f0 [2020-11-28 04:32:16,238 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:32:16,252 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4c807e01-b01b-4db9-8512-eee81bd1bce6/sv-benchmarks/c/product-lines/minepump_spec3_product18.cil.c [2020-11-28 04:32:16,273 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c807e01-b01b-4db9-8512-eee81bd1bce6/bin/ukojak/data/e37807bcd/9a3081af741c4f48925bf58db19428fe/FLAGbf61987f0 [2020-11-28 04:32:16,547 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4c807e01-b01b-4db9-8512-eee81bd1bce6/bin/ukojak/data/e37807bcd/9a3081af741c4f48925bf58db19428fe [2020-11-28 04:32:16,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:32:16,551 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:32:16,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:32:16,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:32:16,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:32:16,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:32:16" (1/1) ... [2020-11-28 04:32:16,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e92b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:16, skipping insertion in model container [2020-11-28 04:32:16,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:32:16" (1/1) ... [2020-11-28 04:32:16,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:32:16,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:32:17,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:32:17,097 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:32:17,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:32:17,265 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:32:17,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:17 WrapperNode [2020-11-28 04:32:17,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:32:17,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:32:17,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:32:17,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:32:17,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:17" (1/1) ... [2020-11-28 04:32:17,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:17" (1/1) ... [2020-11-28 04:32:17,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:32:17,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:32:17,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:32:17,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:32:17,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:17" (1/1) ... [2020-11-28 04:32:17,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:17" (1/1) ... [2020-11-28 04:32:17,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:17" (1/1) ... [2020-11-28 04:32:17,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:17" (1/1) ... [2020-11-28 04:32:17,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:17" (1/1) ... [2020-11-28 04:32:17,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:17" (1/1) ... [2020-11-28 04:32:17,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:17" (1/1) ... [2020-11-28 04:32:17,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:32:17,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:32:17,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:32:17,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:32:17,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c807e01-b01b-4db9-8512-eee81bd1bce6/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 04:32:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:32:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:32:17,533 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:32:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:32:17,534 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:32:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:32:17,534 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:32:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:32:17,534 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:32:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:32:17,535 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:32:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:32:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:32:17,535 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:32:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:32:17,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:32:19,322 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:32:19,323 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-11-28 04:32:19,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:19 BoogieIcfgContainer [2020-11-28 04:32:19,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:32:19,327 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:32:19,327 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:32:19,340 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:32:19,341 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:19" (1/1) ... [2020-11-28 04:32:19,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:32:19,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:19,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2020-11-28 04:32:19,424 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2020-11-28 04:32:19,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:32:19,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:19,715 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 04:32:19,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:19,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2020-11-28 04:32:19,737 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2020-11-28 04:32:19,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:32:19,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:19,936 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 04:32:19,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:19,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2020-11-28 04:32:19,983 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2020-11-28 04:32:19,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:32:19,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:20,196 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 04:32:20,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:20,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 63 states and 95 transitions. [2020-11-28 04:32:20,537 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 95 transitions. [2020-11-28 04:32:20,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:32:20,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:20,690 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 04:32:20,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:20,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 65 states and 98 transitions. [2020-11-28 04:32:20,794 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 98 transitions. [2020-11-28 04:32:20,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:32:20,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:20,947 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 04:32:21,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:21,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 75 states and 125 transitions. [2020-11-28 04:32:21,767 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 125 transitions. [2020-11-28 04:32:21,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:32:21,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:32:21,870 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:32:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:32:21,945 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:32:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:32:22,304 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:32:22,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:32:22,430 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:32:22,574 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2020-11-28 04:32:22,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:32:22 ImpRootNode [2020-11-28 04:32:22,775 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:32:22,776 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:32:22,776 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:32:22,776 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:32:22,777 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:19" (3/4) ... [2020-11-28 04:32:22,779 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:32:22,993 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4c807e01-b01b-4db9-8512-eee81bd1bce6/bin/ukojak/witness.graphml [2020-11-28 04:32:22,994 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:32:22,996 INFO L168 Benchmark]: Toolchain (without parser) took 6443.50 ms. Allocated memory was 113.2 MB in the beginning and 174.1 MB in the end (delta: 60.8 MB). Free memory was 84.7 MB in the beginning and 139.9 MB in the end (delta: -55.2 MB). Peak memory consumption was 87.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:22,997 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 113.2 MB. Free memory is still 70.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:32:22,997 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.42 ms. Allocated memory was 113.2 MB in the beginning and 138.4 MB in the end (delta: 25.2 MB). Free memory was 84.7 MB in the beginning and 104.0 MB in the end (delta: -19.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:22,998 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.50 ms. Allocated memory is still 138.4 MB. Free memory was 103.5 MB in the beginning and 101.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:22,999 INFO L168 Benchmark]: Boogie Preprocessor took 40.76 ms. Allocated memory is still 138.4 MB. Free memory was 101.5 MB in the beginning and 99.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:22,999 INFO L168 Benchmark]: RCFGBuilder took 1908.76 ms. Allocated memory is still 138.4 MB. Free memory was 99.4 MB in the beginning and 71.9 MB in the end (delta: 27.5 MB). Peak memory consumption was 31.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:23,000 INFO L168 Benchmark]: CodeCheck took 3447.98 ms. Allocated memory was 138.4 MB in the beginning and 174.1 MB in the end (delta: 35.7 MB). Free memory was 71.2 MB in the beginning and 65.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 41.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:23,001 INFO L168 Benchmark]: Witness Printer took 218.23 ms. Allocated memory is still 174.1 MB. Free memory was 65.5 MB in the beginning and 139.9 MB in the end (delta: -74.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:32:23,005 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: 3.1s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 798 SDtfs, 240 SDslu, 484 SDs, 0 SdLazy, 366 SolverSat, 110 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 809 GetRequests, 775 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 4099 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L42] int cleanupTimeShifts = 4; [L151] int waterLevel = 1; [L152] int methaneLevelCritical = 0; [L409] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L610] int pumpRunning = 0; [L611] int systemActive = 1; [L123] int retValue_acc ; [L124] int tmp ; [L864] int retValue_acc ; [L867] retValue_acc = 1 [L868] return (retValue_acc); [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L772] int splverifierCounter ; [L773] int tmp ; [L774] int tmp___0 ; [L775] int tmp___1 ; [L776] int tmp___2 ; [L779] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L781] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L783] COND TRUE splverifierCounter < 4 [L789] tmp = __VERIFIER_nondet_int() [L791] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L793] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L169] COND TRUE waterLevel < 2 [L170] waterLevel = waterLevel + 1 [L793] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L799] tmp___0 = __VERIFIER_nondet_int() [L801] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L809] tmp___2 = __VERIFIER_nondet_int() [L811] COND TRUE \read(tmp___2) [L766] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L826] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L618] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L625] COND TRUE \read(systemActive) [L647] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L650] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L665] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L875] int tmp ; [L876] int tmp___0 ; [L877] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L881] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L190] int retValue_acc ; [L193] retValue_acc = methaneLevelCritical [L194] return (retValue_acc); [L881] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L881] tmp = isMethaneLevelCritical() [L883] COND FALSE !(\read(tmp)) [L222] int retValue_acc ; [L225] retValue_acc = waterLevel [L226] return (retValue_acc); [L887] tmp___0 = getWaterLevel() [L889] COND TRUE tmp___0 == 2 [L699] int retValue_acc ; [L702] retValue_acc = pumpRunning [L703] return (retValue_acc); [L891] tmp___1 = isPumpRunning() [L893] COND FALSE !(\read(tmp___1)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product18.cil.c", 3, "reach_error") VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 113.2 MB. Free memory is still 70.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 714.42 ms. Allocated memory was 113.2 MB in the beginning and 138.4 MB in the end (delta: 25.2 MB). Free memory was 84.7 MB in the beginning and 104.0 MB in the end (delta: -19.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 105.50 ms. Allocated memory is still 138.4 MB. Free memory was 103.5 MB in the beginning and 101.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.76 ms. Allocated memory is still 138.4 MB. Free memory was 101.5 MB in the beginning and 99.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1908.76 ms. Allocated memory is still 138.4 MB. Free memory was 99.4 MB in the beginning and 71.9 MB in the end (delta: 27.5 MB). Peak memory consumption was 31.9 MB. Max. memory is 16.1 GB. * CodeCheck took 3447.98 ms. Allocated memory was 138.4 MB in the beginning and 174.1 MB in the end (delta: 35.7 MB). Free memory was 71.2 MB in the beginning and 65.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 41.7 MB. Max. memory is 16.1 GB. * Witness Printer took 218.23 ms. Allocated memory is still 174.1 MB. Free memory was 65.5 MB in the beginning and 139.9 MB in the end (delta: -74.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...