./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product26.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_16864101-42e4-4545-9e24-5629167deb19/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16864101-42e4-4545-9e24-5629167deb19/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_16864101-42e4-4545-9e24-5629167deb19/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16864101-42e4-4545-9e24-5629167deb19/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16864101-42e4-4545-9e24-5629167deb19/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_16864101-42e4-4545-9e24-5629167deb19/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 59d087b21d164936324b83c1e291a64a9503c1749575f000c4a0a3b8eb208c6d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:28:08,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:28:08,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:28:08,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:28:08,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:28:08,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:28:08,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:28:08,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:28:08,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:28:08,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:28:08,179 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:28:08,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:28:08,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:28:08,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:28:08,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:28:08,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:28:08,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:28:08,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:28:08,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:28:08,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:28:08,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:28:08,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:28:08,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:28:08,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:28:08,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:28:08,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:28:08,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:28:08,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:28:08,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:28:08,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:28:08,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:28:08,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:28:08,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:28:08,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:28:08,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:28:08,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:28:08,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:28:08,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:28:08,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:28:08,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:28:08,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:28:08,258 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16864101-42e4-4545-9e24-5629167deb19/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:28:08,319 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:28:08,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:28:08,324 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:28:08,324 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:28:08,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:28:08,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:28:08,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:28:08,326 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:28:08,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:28:08,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:28:08,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:28:08,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:28:08,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:28:08,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:28:08,332 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:28:08,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:28:08,333 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:28:08,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:28:08,333 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:28:08,334 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:28:08,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:28:08,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:28:08,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:28:08,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:28:08,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:28:08,336 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:28:08,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:28:08,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:28:08,336 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_16864101-42e4-4545-9e24-5629167deb19/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16864101-42e4-4545-9e24-5629167deb19/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59d087b21d164936324b83c1e291a64a9503c1749575f000c4a0a3b8eb208c6d [2021-11-23 01:28:08,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:28:08,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:28:08,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:28:08,696 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:28:08,697 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:28:08,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16864101-42e4-4545-9e24-5629167deb19/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c [2021-11-23 01:28:08,786 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16864101-42e4-4545-9e24-5629167deb19/bin/ukojak-LBtLqBUTdQ/data/1d9fd07c2/d250dc7afb114a72b031ab1f03d02310/FLAG3d0c3e676 [2021-11-23 01:28:09,359 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:28:09,360 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16864101-42e4-4545-9e24-5629167deb19/sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c [2021-11-23 01:28:09,374 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16864101-42e4-4545-9e24-5629167deb19/bin/ukojak-LBtLqBUTdQ/data/1d9fd07c2/d250dc7afb114a72b031ab1f03d02310/FLAG3d0c3e676 [2021-11-23 01:28:09,652 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16864101-42e4-4545-9e24-5629167deb19/bin/ukojak-LBtLqBUTdQ/data/1d9fd07c2/d250dc7afb114a72b031ab1f03d02310 [2021-11-23 01:28:09,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:28:09,657 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:28:09,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:28:09,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:28:09,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:28:09,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:28:09" (1/1) ... [2021-11-23 01:28:09,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@258f7cae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:09, skipping insertion in model container [2021-11-23 01:28:09,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:28:09" (1/1) ... [2021-11-23 01:28:09,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:28:09,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:28:10,093 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_16864101-42e4-4545-9e24-5629167deb19/sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c[14361,14374] [2021-11-23 01:28:10,148 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:28:10,168 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:28:10,300 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_16864101-42e4-4545-9e24-5629167deb19/sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c[14361,14374] [2021-11-23 01:28:10,336 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:28:10,368 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:28:10,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:10 WrapperNode [2021-11-23 01:28:10,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:28:10,370 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:28:10,370 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:28:10,372 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:28:10,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:10" (1/1) ... [2021-11-23 01:28:10,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:10" (1/1) ... [2021-11-23 01:28:10,455 INFO L137 Inliner]: procedures = 54, calls = 153, calls flagged for inlining = 23, calls inlined = 18, statements flattened = 228 [2021-11-23 01:28:10,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:28:10,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:28:10,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:28:10,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:28:10,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:10" (1/1) ... [2021-11-23 01:28:10,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:10" (1/1) ... [2021-11-23 01:28:10,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:10" (1/1) ... [2021-11-23 01:28:10,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:10" (1/1) ... [2021-11-23 01:28:10,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:10" (1/1) ... [2021-11-23 01:28:10,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:10" (1/1) ... [2021-11-23 01:28:10,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:10" (1/1) ... [2021-11-23 01:28:10,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:28:10,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:28:10,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:28:10,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:28:10,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:10" (1/1) ... [2021-11-23 01:28:10,502 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:28:10,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16864101-42e4-4545-9e24-5629167deb19/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:28:10,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16864101-42e4-4545-9e24-5629167deb19/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:28:10,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16864101-42e4-4545-9e24-5629167deb19/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:28:10,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:28:10,616 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 01:28:10,616 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 01:28:10,616 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 01:28:10,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 01:28:10,617 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 01:28:10,617 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 01:28:10,617 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 01:28:10,617 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 01:28:10,617 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 01:28:10,618 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 01:28:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:28:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 01:28:10,618 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 01:28:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:28:10,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:28:10,694 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:28:10,696 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:28:11,109 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:28:11,197 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:28:11,197 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:28:11,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:28:11 BoogieIcfgContainer [2021-11-23 01:28:11,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:28:11,202 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:28:11,203 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:28:11,231 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:28:11,232 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:28:11" (1/1) ... [2021-11-23 01:28:11,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:28:11,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:11,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2021-11-23 01:28:11,329 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2021-11-23 01:28:11,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:28:11,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:11,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:11,558 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 01:28:11,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:11,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 49 states and 62 transitions. [2021-11-23 01:28:11,629 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions. [2021-11-23 01:28:11,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:28:11,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:11,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:11,766 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 01:28:11,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:11,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2021-11-23 01:28:11,801 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2021-11-23 01:28:11,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:28:11,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:11,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:12,010 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 01:28:12,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:12,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 65 states and 95 transitions. [2021-11-23 01:28:12,239 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 95 transitions. [2021-11-23 01:28:12,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:28:12,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:12,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:12,364 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 01:28:12,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:12,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 75 states and 121 transitions. [2021-11-23 01:28:12,842 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 121 transitions. [2021-11-23 01:28:12,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:28:12,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:12,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:13,100 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 01:28:14,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:14,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 89 states and 160 transitions. [2021-11-23 01:28:14,529 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 160 transitions. [2021-11-23 01:28:14,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:28:14,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:14,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:14,624 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 01:28:14,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:14,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 90 states and 163 transitions. [2021-11-23 01:28:14,783 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 163 transitions. [2021-11-23 01:28:14,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:28:14,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:14,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:14,835 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 01:28:15,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:15,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 92 states and 166 transitions. [2021-11-23 01:28:15,026 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 166 transitions. [2021-11-23 01:28:15,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:28:15,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:15,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:28:15,090 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:28:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:28:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:28:15,231 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:28:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:28:15,328 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2021-11-23 01:28:15,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:28:15 ImpRootNode [2021-11-23 01:28:15,423 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:28:15,424 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:28:15,424 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:28:15,424 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:28:15,425 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:28:11" (3/4) ... [2021-11-23 01:28:15,441 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 01:28:15,600 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16864101-42e4-4545-9e24-5629167deb19/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:28:15,600 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:28:15,601 INFO L158 Benchmark]: Toolchain (without parser) took 5943.89ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 58.1MB in the beginning and 80.7MB in the end (delta: -22.6MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2021-11-23 01:28:15,602 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 94.4MB. Free memory was 67.3MB in the beginning and 67.3MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:28:15,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 698.75ms. Allocated memory is still 94.4MB. Free memory was 58.0MB in the beginning and 61.7MB in the end (delta: -3.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:28:15,603 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.54ms. Allocated memory is still 94.4MB. Free memory was 61.7MB in the beginning and 59.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:28:15,604 INFO L158 Benchmark]: Boogie Preprocessor took 34.46ms. Allocated memory is still 94.4MB. Free memory was 59.5MB in the beginning and 57.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:28:15,605 INFO L158 Benchmark]: RCFGBuilder took 709.79ms. Allocated memory is still 94.4MB. Free memory was 57.8MB in the beginning and 37.9MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 01:28:15,605 INFO L158 Benchmark]: CodeCheck took 4221.10ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 37.9MB in the beginning and 84.9MB in the end (delta: -47.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:28:15,606 INFO L158 Benchmark]: Witness Printer took 176.13ms. Allocated memory is still 125.8MB. Free memory was 84.9MB in the beginning and 80.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:28:15,609 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: 4.1s, OverallIterations: 8, 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, 650 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 226 mSDsluCounter, 893 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 530 mSDsCounter, 160 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 601 IncrementalHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 160 mSolverCounterUnsat, 373 mSDtfsCounter, 601 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1415 GetRequests, 1331 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2294 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 181 NumberOfCodeBlocks, 181 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 365 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 653]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L50] int cleanupTimeShifts = 4; [L194] int waterLevel = 1; [L195] int methaneLevelCritical = 0; [L452] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L662] int pumpRunning = 0; [L663] int systemActive = 1; [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L180] int retValue_acc ; [L183] retValue_acc = 1 [L184] return (retValue_acc); [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L842] int splverifierCounter ; [L843] int tmp ; [L844] int tmp___0 ; [L845] int tmp___1 ; [L846] int tmp___2 ; [L849] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L851] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L853] COND TRUE splverifierCounter < 4 [L859] tmp = __VERIFIER_nondet_int() [L861] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L863] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L212] COND TRUE waterLevel < 2 [L213] waterLevel = waterLevel + 1 [L863] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L869] tmp___0 = __VERIFIER_nondet_int() [L871] 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] [L879] tmp___2 = __VERIFIER_nondet_int() [L881] COND TRUE \read(tmp___2) [L883] CALL startSystem() [L836] systemActive = 1 [L883] RET startSystem() [L896] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L670] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L677] COND TRUE \read(systemActive) [L679] CALL processEnvironment() [L699] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L702] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L717] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L679] RET processEnvironment() [L685] CALL __utac_acc__Specification3_spec__1() [L909] int tmp ; [L910] int tmp___0 ; [L911] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L915] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L233] int retValue_acc ; [L236] retValue_acc = methaneLevelCritical [L237] return (retValue_acc); [L915] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L915] tmp = isMethaneLevelCritical() [L917] COND FALSE !(\read(tmp)) [L921] CALL, EXPR getWaterLevel() [L265] int retValue_acc ; [L268] retValue_acc = waterLevel [L269] return (retValue_acc); [L921] RET, EXPR getWaterLevel() [L921] tmp___0 = getWaterLevel() [L923] COND TRUE tmp___0 == 2 [L925] CALL, EXPR isPumpRunning() [L769] int retValue_acc ; [L772] retValue_acc = pumpRunning [L773] return (retValue_acc); [L925] RET, EXPR isPumpRunning() [L925] tmp___1 = isPumpRunning() [L927] COND FALSE !(\read(tmp___1)) [L931] CALL __automaton_fail() [L653] 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 0.34ms. Allocated memory is still 94.4MB. Free memory was 67.3MB in the beginning and 67.3MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 698.75ms. Allocated memory is still 94.4MB. Free memory was 58.0MB in the beginning and 61.7MB in the end (delta: -3.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.54ms. Allocated memory is still 94.4MB. Free memory was 61.7MB in the beginning and 59.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.46ms. Allocated memory is still 94.4MB. Free memory was 59.5MB in the beginning and 57.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 709.79ms. Allocated memory is still 94.4MB. Free memory was 57.8MB in the beginning and 37.9MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 4221.10ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 37.9MB in the beginning and 84.9MB in the end (delta: -47.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 176.13ms. Allocated memory is still 125.8MB. Free memory was 84.9MB in the beginning and 80.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 01:28:15,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16864101-42e4-4545-9e24-5629167deb19/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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