./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8802f0-3790-4bee-a906-01d89f634611/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8802f0-3790-4bee-a906-01d89f634611/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8802f0-3790-4bee-a906-01d89f634611/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8802f0-3790-4bee-a906-01d89f634611/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8802f0-3790-4bee-a906-01d89f634611/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8802f0-3790-4bee-a906-01d89f634611/bin/ukojak-Rh5K9KB4LI --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 dae9a870dcbd894d53325794bcd1e36e0da0523a0c6f117be41bebebda51818a ........................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.1-dev-b2eff8b [2021-10-29 03:45:16,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:45:16,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:45:16,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:45:16,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:45:16,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:45:16,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:45:16,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:45:16,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:45:16,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:45:16,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:45:16,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:45:16,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:45:16,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:45:17,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:45:17,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:45:17,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:45:17,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:45:17,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:45:17,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:45:17,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:45:17,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:45:17,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:45:17,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:45:17,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:45:17,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:45:17,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:45:17,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:45:17,025 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:45:17,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:45:17,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:45:17,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:45:17,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:45:17,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:45:17,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:45:17,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:45:17,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:45:17,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:45:17,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:45:17,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:45:17,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:45:17,037 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8802f0-3790-4bee-a906-01d89f634611/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:45:17,086 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:45:17,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:45:17,088 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:45:17,088 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:45:17,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:45:17,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:45:17,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:45:17,091 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:45:17,097 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:45:17,097 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:45:17,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:45:17,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:45:17,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:45:17,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:45:17,099 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:45:17,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:45:17,100 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:45:17,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:45:17,100 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:45:17,101 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:45:17,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:45:17,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:45:17,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:45:17,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:45:17,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:45:17,102 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:45:17,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:45:17,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:45:17,103 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_worker_vcloud-master_on_vcloud-master/run_dir_5b8802f0-3790-4bee-a906-01d89f634611/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8802f0-3790-4bee-a906-01d89f634611/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dae9a870dcbd894d53325794bcd1e36e0da0523a0c6f117be41bebebda51818a [2021-10-29 03:45:17,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:45:17,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:45:17,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:45:17,438 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:45:17,439 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:45:17,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8802f0-3790-4bee-a906-01d89f634611/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c [2021-10-29 03:45:17,511 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8802f0-3790-4bee-a906-01d89f634611/bin/ukojak-Rh5K9KB4LI/data/4194f97a6/a047dd187dc94ff5ba49cf6b0b775a09/FLAGa77efbcda [2021-10-29 03:45:18,025 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:45:18,026 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8802f0-3790-4bee-a906-01d89f634611/sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c [2021-10-29 03:45:18,046 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8802f0-3790-4bee-a906-01d89f634611/bin/ukojak-Rh5K9KB4LI/data/4194f97a6/a047dd187dc94ff5ba49cf6b0b775a09/FLAGa77efbcda [2021-10-29 03:45:18,371 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8802f0-3790-4bee-a906-01d89f634611/bin/ukojak-Rh5K9KB4LI/data/4194f97a6/a047dd187dc94ff5ba49cf6b0b775a09 [2021-10-29 03:45:18,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:45:18,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:45:18,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:45:18,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:45:18,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:45:18,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:45:18" (1/1) ... [2021-10-29 03:45:18,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55d2b3e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:45:18, skipping insertion in model container [2021-10-29 03:45:18,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:45:18" (1/1) ... [2021-10-29 03:45:18,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:45:18,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:45:18,709 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8802f0-3790-4bee-a906-01d89f634611/sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c[1605,1618] [2021-10-29 03:45:18,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:45:18,860 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:45:18,873 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8802f0-3790-4bee-a906-01d89f634611/sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c[1605,1618] [2021-10-29 03:45:18,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:45:18,986 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:45:18,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:45:18 WrapperNode [2021-10-29 03:45:18,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:45:18,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:45:18,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:45:18,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:45:19,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:45:18" (1/1) ... [2021-10-29 03:45:19,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:45:18" (1/1) ... [2021-10-29 03:45:19,068 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:45:19,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:45:19,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:45:19,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:45:19,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:45:18" (1/1) ... [2021-10-29 03:45:19,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:45:18" (1/1) ... [2021-10-29 03:45:19,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:45:18" (1/1) ... [2021-10-29 03:45:19,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:45:18" (1/1) ... [2021-10-29 03:45:19,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:45:18" (1/1) ... [2021-10-29 03:45:19,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:45:18" (1/1) ... [2021-10-29 03:45:19,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:45:18" (1/1) ... [2021-10-29 03:45:19,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:45:19,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:45:19,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:45:19,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:45:19,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:45:18" (1/1) ... [2021-10-29 03:45:19,150 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:45:19,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8802f0-3790-4bee-a906-01d89f634611/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:45:19,174 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8802f0-3790-4bee-a906-01d89f634611/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:45:19,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8802f0-3790-4bee-a906-01d89f634611/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:45:19,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:45:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-10-29 03:45:19,226 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-10-29 03:45:19,226 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-10-29 03:45:19,227 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-10-29 03:45:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-10-29 03:45:19,227 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-10-29 03:45:19,227 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-10-29 03:45:19,227 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-10-29 03:45:19,228 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-10-29 03:45:19,228 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-10-29 03:45:19,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:45:19,229 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-10-29 03:45:19,229 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-10-29 03:45:19,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:45:19,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:45:20,459 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:45:20,460 INFO L299 CfgBuilder]: Removed 40 assume(true) statements. [2021-10-29 03:45:20,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:45:20 BoogieIcfgContainer [2021-10-29 03:45:20,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:45:20,464 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:45:20,464 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:45:20,474 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:45:20,474 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:45:20" (1/1) ... [2021-10-29 03:45:20,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:45:20,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:45:20,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2021-10-29 03:45:20,522 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2021-10-29 03:45:20,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:45:20,527 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:45:20,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:45:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:45:20,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:45:20,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:45:20,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 46 states and 58 transitions. [2021-10-29 03:45:20,809 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2021-10-29 03:45:20,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:45:20,810 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:45:20,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:45:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:45:20,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:45:20,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:45:20,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2021-10-29 03:45:20,934 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2021-10-29 03:45:20,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 03:45:20,936 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:45:20,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:45:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:45:21,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:45:21,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:45:21,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 61 states and 87 transitions. [2021-10-29 03:45:21,402 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 87 transitions. [2021-10-29 03:45:21,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 03:45:21,404 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:45:21,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:45:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:45:21,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:45:22,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:45:22,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2021-10-29 03:45:22,748 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2021-10-29 03:45:22,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:45:22,751 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:45:22,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:45:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:45:22,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:45:23,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:45:23,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 80 states and 127 transitions. [2021-10-29 03:45:23,094 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 127 transitions. [2021-10-29 03:45:23,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:45:23,096 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:45:23,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:45:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:45:23,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:45:24,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:45:24,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 92 states and 154 transitions. [2021-10-29 03:45:24,245 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 154 transitions. [2021-10-29 03:45:24,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:45:24,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:45:24,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:45:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:45:24,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:45:24,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:45:24,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 94 states and 155 transitions. [2021-10-29 03:45:24,565 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 155 transitions. [2021-10-29 03:45:24,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:45:24,567 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:45:24,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:45:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:45:24,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:45:24,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:45:24,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 95 states and 156 transitions. [2021-10-29 03:45:24,632 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 156 transitions. [2021-10-29 03:45:24,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:45:24,633 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:45:24,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:45:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:45:24,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:45:24,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:45:24,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 95 states and 155 transitions. [2021-10-29 03:45:24,847 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 155 transitions. [2021-10-29 03:45:24,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 03:45:24,849 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:45:24,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:45:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:45:24,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:45:25,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:45:25,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 96 states and 156 transitions. [2021-10-29 03:45:25,007 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 156 transitions. [2021-10-29 03:45:25,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:45:25,008 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:45:25,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:45:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:45:25,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:45:25,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:45:25,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 100 states and 168 transitions. [2021-10-29 03:45:25,394 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 168 transitions. [2021-10-29 03:45:25,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 03:45:25,396 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:45:25,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:45:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:45:25,466 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:45:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:45:25,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:45:25,708 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:45:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:45:25,998 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2021-10-29 03:45:26,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:45:26 ImpRootNode [2021-10-29 03:45:26,165 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:45:26,166 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:45:26,166 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:45:26,166 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:45:26,166 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:45:20" (3/4) ... [2021-10-29 03:45:26,168 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 03:45:26,338 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8802f0-3790-4bee-a906-01d89f634611/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:45:26,338 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:45:26,340 INFO L168 Benchmark]: Toolchain (without parser) took 7961.08 ms. Allocated memory was 107.0 MB in the beginning and 138.4 MB in the end (delta: 31.5 MB). Free memory was 69.3 MB in the beginning and 58.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 40.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:45:26,340 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 107.0 MB. Free memory was 86.9 MB in the beginning and 86.9 MB in the end (delta: 53.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:45:26,341 INFO L168 Benchmark]: CACSL2BoogieTranslator took 605.65 ms. Allocated memory is still 107.0 MB. Free memory was 69.1 MB in the beginning and 75.3 MB in the end (delta: -6.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:45:26,341 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.11 ms. Allocated memory is still 107.0 MB. Free memory was 75.3 MB in the beginning and 72.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:45:26,342 INFO L168 Benchmark]: Boogie Preprocessor took 70.37 ms. Allocated memory is still 107.0 MB. Free memory was 72.6 MB in the beginning and 71.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:45:26,342 INFO L168 Benchmark]: RCFGBuilder took 1322.74 ms. Allocated memory is still 107.0 MB. Free memory was 71.0 MB in the beginning and 64.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:45:26,343 INFO L168 Benchmark]: CodeCheck took 5701.51 ms. Allocated memory was 107.0 MB in the beginning and 138.4 MB in the end (delta: 31.5 MB). Free memory was 64.2 MB in the beginning and 69.6 MB in the end (delta: -5.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:45:26,344 INFO L168 Benchmark]: Witness Printer took 172.72 ms. Allocated memory is still 138.4 MB. Free memory was 69.6 MB in the beginning and 58.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:45:26,346 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, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 49480 SDtfs, 19888 SDslu, 36272 SDs, 0 SdLazy, 45246 SolverSat, 15130 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2281 GetRequests, 2155 SyntacticMatches, 24 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3622 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 271 NumberOfCodeBlocks, 271 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 233 ConstructedInterpolants, 0 QuantifiedInterpolants, 726 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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: 54]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L70] int pumpRunning = 0; [L71] int systemActive = 1; [L249] int waterLevel = 1; [L250] int methaneLevelCritical = 0; [L620] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L843] int cleanupTimeShifts = 4; [L916] int retValue_acc ; [L917] int tmp ; [L442] int retValue_acc ; [L445] retValue_acc = 1 [L446] return (retValue_acc); [L923] tmp = valid_product() [L925] COND TRUE \read(tmp) [L345] int splverifierCounter ; [L346] int tmp ; [L347] int tmp___0 ; [L348] int tmp___1 ; [L349] int tmp___2 ; [L352] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L354] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L356] COND TRUE splverifierCounter < 4 [L362] tmp = __VERIFIER_nondet_int() [L364] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L366] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L267] COND TRUE waterLevel < 2 [L268] waterLevel = waterLevel + 1 [L366] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L372] tmp___0 = __VERIFIER_nondet_int() [L374] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L376] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L279] COND FALSE !(\read(methaneLevelCritical)) [L282] methaneLevelCritical = 1 [L376] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L382] tmp___2 = __VERIFIER_nondet_int() [L384] COND TRUE \read(tmp___2) [L241] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L401] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L78] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L85] COND TRUE \read(systemActive) [L107] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L110] COND TRUE ! pumpRunning [L204] int retValue_acc ; [L205] int tmp ; [L206] int tmp___0 ; [L329] int retValue_acc ; [L332] COND FALSE !(waterLevel < 2) [L336] retValue_acc = 0 [L337] return (retValue_acc); [L210] tmp = isHighWaterSensorDry() [L212] COND FALSE !(\read(tmp)) [L215] tmp___0 = 1 [L217] retValue_acc = tmp___0 [L218] return (retValue_acc); [L112] tmp = isHighWaterLevel() [L114] COND TRUE \read(tmp) [L135] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L818] int tmp ; [L819] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L823] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L288] int retValue_acc ; [L291] retValue_acc = methaneLevelCritical [L292] return (retValue_acc); [L823] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L823] tmp = isMethaneLevelCritical() [L825] COND TRUE \read(tmp) [L159] int retValue_acc ; [L162] retValue_acc = pumpRunning [L163] return (retValue_acc); [L827] tmp___0 = isPumpRunning() [L829] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L54] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 107.0 MB. Free memory was 86.9 MB in the beginning and 86.9 MB in the end (delta: 53.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 605.65 ms. Allocated memory is still 107.0 MB. Free memory was 69.1 MB in the beginning and 75.3 MB in the end (delta: -6.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.11 ms. Allocated memory is still 107.0 MB. Free memory was 75.3 MB in the beginning and 72.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.37 ms. Allocated memory is still 107.0 MB. Free memory was 72.6 MB in the beginning and 71.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1322.74 ms. Allocated memory is still 107.0 MB. Free memory was 71.0 MB in the beginning and 64.2 MB in the end (delta: 6.8 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. * CodeCheck took 5701.51 ms. Allocated memory was 107.0 MB in the beginning and 138.4 MB in the end (delta: 31.5 MB). Free memory was 64.2 MB in the beginning and 69.6 MB in the end (delta: -5.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. * Witness Printer took 172.72 ms. Allocated memory is still 138.4 MB. Free memory was 69.6 MB in the beginning and 58.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 03:45:26,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b8802f0-3790-4bee-a906-01d89f634611/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...