./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41169fcf-a246-46fa-90ed-fcef70a509c6/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41169fcf-a246-46fa-90ed-fcef70a509c6/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41169fcf-a246-46fa-90ed-fcef70a509c6/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41169fcf-a246-46fa-90ed-fcef70a509c6/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product35.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41169fcf-a246-46fa-90ed-fcef70a509c6/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41169fcf-a246-46fa-90ed-fcef70a509c6/bin/ukojak-LBtLqBUTdQ --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 e7448e2a4dcf9053e3462616ae6225740bd78f5c7802032dea6a738b62c6fd6a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:40:32,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:40:32,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:40:32,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:40:32,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:40:32,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:40:32,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:40:32,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:40:32,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:40:32,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:40:32,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:40:32,151 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:40:32,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:40:32,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:40:32,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:40:32,158 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:40:32,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:40:32,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:40:32,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:40:32,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:40:32,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:40:32,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:40:32,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:40:32,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:40:32,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:40:32,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:40:32,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:40:32,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:40:32,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:40:32,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:40:32,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:40:32,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:40:32,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:40:32,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:40:32,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:40:32,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:40:32,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:40:32,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:40:32,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:40:32,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:40:32,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:40:32,199 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41169fcf-a246-46fa-90ed-fcef70a509c6/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:40:32,250 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:40:32,251 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:40:32,252 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:40:32,252 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:40:32,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:40:32,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:40:32,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:40:32,254 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:40:32,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:40:32,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:40:32,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:40:32,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:40:32,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:40:32,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:40:32,262 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:40:32,262 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:40:32,262 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:40:32,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:40:32,263 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:40:32,263 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:40:32,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:40:32,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:40:32,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:40:32,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:40:32,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:40:32,264 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:40:32,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:40:32,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:40:32,265 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_41169fcf-a246-46fa-90ed-fcef70a509c6/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41169fcf-a246-46fa-90ed-fcef70a509c6/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7448e2a4dcf9053e3462616ae6225740bd78f5c7802032dea6a738b62c6fd6a [2021-11-23 00:40:32,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:40:32,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:40:32,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:40:32,575 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:40:32,577 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:40:32,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41169fcf-a246-46fa-90ed-fcef70a509c6/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec3_product35.cil.c [2021-11-23 00:40:32,657 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41169fcf-a246-46fa-90ed-fcef70a509c6/bin/ukojak-LBtLqBUTdQ/data/729821c80/0330f1a271a5480ab0a2e6c171fe8282/FLAGcbdf19fa2 [2021-11-23 00:40:33,132 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:40:33,133 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41169fcf-a246-46fa-90ed-fcef70a509c6/sv-benchmarks/c/product-lines/minepump_spec3_product35.cil.c [2021-11-23 00:40:33,153 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41169fcf-a246-46fa-90ed-fcef70a509c6/bin/ukojak-LBtLqBUTdQ/data/729821c80/0330f1a271a5480ab0a2e6c171fe8282/FLAGcbdf19fa2 [2021-11-23 00:40:33,483 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41169fcf-a246-46fa-90ed-fcef70a509c6/bin/ukojak-LBtLqBUTdQ/data/729821c80/0330f1a271a5480ab0a2e6c171fe8282 [2021-11-23 00:40:33,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:40:33,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:40:33,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:40:33,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:40:33,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:40:33,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:40:33" (1/1) ... [2021-11-23 00:40:33,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7074b5c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:33, skipping insertion in model container [2021-11-23 00:40:33,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:40:33" (1/1) ... [2021-11-23 00:40:33,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:40:33,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:40:33,822 WARN L230 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_41169fcf-a246-46fa-90ed-fcef70a509c6/sv-benchmarks/c/product-lines/minepump_spec3_product35.cil.c[8262,8275] [2021-11-23 00:40:33,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:40:33,883 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:40:33,926 WARN L230 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_41169fcf-a246-46fa-90ed-fcef70a509c6/sv-benchmarks/c/product-lines/minepump_spec3_product35.cil.c[8262,8275] [2021-11-23 00:40:33,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:40:33,978 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:40:33,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:33 WrapperNode [2021-11-23 00:40:33,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:40:33,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:40:33,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:40:33,981 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:40:33,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:33" (1/1) ... [2021-11-23 00:40:34,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:33" (1/1) ... [2021-11-23 00:40:34,040 INFO L137 Inliner]: procedures = 53, calls = 152, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 236 [2021-11-23 00:40:34,045 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:40:34,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:40:34,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:40:34,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:40:34,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:33" (1/1) ... [2021-11-23 00:40:34,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:33" (1/1) ... [2021-11-23 00:40:34,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:33" (1/1) ... [2021-11-23 00:40:34,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:33" (1/1) ... [2021-11-23 00:40:34,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:33" (1/1) ... [2021-11-23 00:40:34,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:33" (1/1) ... [2021-11-23 00:40:34,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:33" (1/1) ... [2021-11-23 00:40:34,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:40:34,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:40:34,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:40:34,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:40:34,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:33" (1/1) ... [2021-11-23 00:40:34,117 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:40:34,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41169fcf-a246-46fa-90ed-fcef70a509c6/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:40:34,145 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41169fcf-a246-46fa-90ed-fcef70a509c6/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:40:34,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41169fcf-a246-46fa-90ed-fcef70a509c6/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:40:34,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:40:34,206 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 00:40:34,206 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 00:40:34,206 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 00:40:34,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 00:40:34,207 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 00:40:34,207 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 00:40:34,207 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 00:40:34,207 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 00:40:34,207 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 00:40:34,208 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 00:40:34,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:40:34,208 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 00:40:34,208 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 00:40:34,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:40:34,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:40:34,282 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:40:34,284 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:40:34,585 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:40:34,768 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:40:34,768 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:40:34,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:40:34 BoogieIcfgContainer [2021-11-23 00:40:34,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:40:34,773 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:40:34,773 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:40:34,784 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:40:34,785 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:40:34" (1/1) ... [2021-11-23 00:40:34,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:40:34,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:34,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2021-11-23 00:40:34,877 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2021-11-23 00:40:34,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:40:34,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:34,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:35,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:35,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:35,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 49 states and 62 transitions. [2021-11-23 00:40:35,186 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions. [2021-11-23 00:40:35,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:40:35,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:35,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:35,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:35,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:35,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2021-11-23 00:40:35,334 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2021-11-23 00:40:35,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:40:35,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:35,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:35,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:35,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:35,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 65 states and 95 transitions. [2021-11-23 00:40:35,597 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 95 transitions. [2021-11-23 00:40:35,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:40:35,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:35,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:40:35,631 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:40:35,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:40:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:40:35,788 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:40:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:40:35,846 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2021-11-23 00:40:35,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:40:35 ImpRootNode [2021-11-23 00:40:35,923 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:40:35,924 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:40:35,924 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:40:35,924 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:40:35,924 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:40:34" (3/4) ... [2021-11-23 00:40:35,930 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 00:40:36,051 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41169fcf-a246-46fa-90ed-fcef70a509c6/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:40:36,051 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:40:36,052 INFO L158 Benchmark]: Toolchain (without parser) took 2564.80ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 48.7MB in the beginning and 73.0MB in the end (delta: -24.2MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2021-11-23 00:40:36,056 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory was 56.4MB in the beginning and 56.4MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:40:36,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.49ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 48.5MB in the beginning and 68.1MB in the end (delta: -19.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:40:36,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.69ms. Allocated memory is still 100.7MB. Free memory was 68.1MB in the beginning and 65.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:40:36,058 INFO L158 Benchmark]: Boogie Preprocessor took 55.68ms. Allocated memory is still 100.7MB. Free memory was 65.6MB in the beginning and 63.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:40:36,058 INFO L158 Benchmark]: RCFGBuilder took 669.11ms. Allocated memory is still 100.7MB. Free memory was 63.9MB in the beginning and 43.5MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 00:40:36,059 INFO L158 Benchmark]: CodeCheck took 1150.23ms. Allocated memory is still 100.7MB. Free memory was 43.5MB in the beginning and 37.3MB in the end (delta: 6.2MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-11-23 00:40:36,061 INFO L158 Benchmark]: Witness Printer took 127.91ms. Allocated memory is still 100.7MB. Free memory was 37.3MB in the beginning and 73.0MB in the end (delta: -35.6MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2021-11-23 00:40:36,064 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, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 168 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 143 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 57 IncrementalHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 101 mSDtfsCounter, 57 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 399 GetRequests, 387 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 106 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 566]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L130] int pumpRunning = 0; [L131] int systemActive = 1; [L334] int cleanupTimeShifts = 4; [L433] int waterLevel = 1; [L434] int methaneLevelCritical = 0; [L740] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L410] int retValue_acc ; [L411] int tmp ; [L415] FCALL select_helpers() [L416] FCALL select_features() [L417] CALL, EXPR valid_product() [L553] int retValue_acc ; [L556] retValue_acc = 1 [L557] return (retValue_acc); [L417] RET, EXPR valid_product() [L417] tmp = valid_product() [L419] COND TRUE \read(tmp) [L421] FCALL setup() [L422] CALL runTest() [L401] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L65] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L77] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L451] COND TRUE waterLevel < 2 [L452] waterLevel = waterLevel + 1 [L77] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND FALSE !(\read(tmp___2)) [L99] tmp___1 = __VERIFIER_nondet_int() [L101] COND TRUE \read(tmp___1) [L103] CALL stopSystem() [L286] COND FALSE !(\read(pumpRunning)) [L293] systemActive = 0 [L103] RET stopSystem() [L110] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L138] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L145] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L153] CALL __utac_acc__Specification3_spec__1() [L301] int tmp ; [L302] int tmp___0 ; [L303] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L307] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L472] int retValue_acc ; [L475] retValue_acc = methaneLevelCritical [L476] return (retValue_acc); [L307] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L307] tmp = isMethaneLevelCritical() [L309] COND FALSE !(\read(tmp)) [L313] CALL, EXPR getWaterLevel() [L504] int retValue_acc ; [L507] retValue_acc = waterLevel [L508] return (retValue_acc); [L313] RET, EXPR getWaterLevel() [L313] tmp___0 = getWaterLevel() [L315] COND TRUE tmp___0 == 2 [L317] CALL, EXPR isPumpRunning() [L219] int retValue_acc ; [L222] retValue_acc = pumpRunning [L223] return (retValue_acc); [L317] RET, EXPR isPumpRunning() [L317] tmp___1 = isPumpRunning() [L319] COND FALSE !(\read(tmp___1)) [L323] CALL __automaton_fail() [L566] 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 0.29ms. Allocated memory is still 83.9MB. Free memory was 56.4MB in the beginning and 56.4MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 488.49ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 48.5MB in the beginning and 68.1MB in the end (delta: -19.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.69ms. Allocated memory is still 100.7MB. Free memory was 68.1MB in the beginning and 65.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.68ms. Allocated memory is still 100.7MB. Free memory was 65.6MB in the beginning and 63.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 669.11ms. Allocated memory is still 100.7MB. Free memory was 63.9MB in the beginning and 43.5MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 1150.23ms. Allocated memory is still 100.7MB. Free memory was 43.5MB in the beginning and 37.3MB in the end (delta: 6.2MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Witness Printer took 127.91ms. Allocated memory is still 100.7MB. Free memory was 37.3MB in the beginning and 73.0MB in the end (delta: -35.6MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 00:40:36,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41169fcf-a246-46fa-90ed-fcef70a509c6/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE