./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product51.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_a2499480-fbe2-4ddf-8d2e-ff470f4c6fab/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2499480-fbe2-4ddf-8d2e-ff470f4c6fab/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_a2499480-fbe2-4ddf-8d2e-ff470f4c6fab/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2499480-fbe2-4ddf-8d2e-ff470f4c6fab/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2499480-fbe2-4ddf-8d2e-ff470f4c6fab/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_a2499480-fbe2-4ddf-8d2e-ff470f4c6fab/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 311cf727219391e066955da60e9a83cfca77eaf7b53c342c6934d47c5123e76f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:22:58,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:22:58,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:22:58,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:22:58,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:22:58,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:22:58,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:22:58,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:22:58,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:22:58,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:22:58,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:22:58,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:22:58,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:22:58,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:22:58,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:22:58,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:22:58,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:22:58,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:22:58,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:22:58,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:22:58,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:22:58,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:22:58,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:22:58,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:22:58,370 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:22:58,370 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:22:58,370 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:22:58,372 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:22:58,372 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:22:58,373 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:22:58,374 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:22:58,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:22:58,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:22:58,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:22:58,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:22:58,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:22:58,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:22:58,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:22:58,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:22:58,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:22:58,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:22:58,383 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2499480-fbe2-4ddf-8d2e-ff470f4c6fab/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:22:58,408 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:22:58,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:22:58,410 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:22:58,410 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:22:58,411 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:22:58,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:22:58,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:22:58,411 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:22:58,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:22:58,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:22:58,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:22:58,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:22:58,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:22:58,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:22:58,413 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:22:58,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:22:58,413 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:22:58,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:22:58,414 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:22:58,414 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:22:58,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:22:58,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:22:58,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:22:58,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:22:58,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:22:58,422 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:22:58,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:22:58,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:22:58,423 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_a2499480-fbe2-4ddf-8d2e-ff470f4c6fab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2499480-fbe2-4ddf-8d2e-ff470f4c6fab/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 311cf727219391e066955da60e9a83cfca77eaf7b53c342c6934d47c5123e76f [2021-11-22 23:22:58,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:22:58,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:22:58,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:22:58,731 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:22:58,732 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:22:58,733 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2499480-fbe2-4ddf-8d2e-ff470f4c6fab/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c [2021-11-22 23:22:58,792 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2499480-fbe2-4ddf-8d2e-ff470f4c6fab/bin/ukojak-LBtLqBUTdQ/data/9cab712c7/90583800be5b4ad691c6d6e65d701f1a/FLAG0347bfd69 [2021-11-22 23:22:59,369 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:22:59,369 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2499480-fbe2-4ddf-8d2e-ff470f4c6fab/sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c [2021-11-22 23:22:59,382 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2499480-fbe2-4ddf-8d2e-ff470f4c6fab/bin/ukojak-LBtLqBUTdQ/data/9cab712c7/90583800be5b4ad691c6d6e65d701f1a/FLAG0347bfd69 [2021-11-22 23:22:59,669 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2499480-fbe2-4ddf-8d2e-ff470f4c6fab/bin/ukojak-LBtLqBUTdQ/data/9cab712c7/90583800be5b4ad691c6d6e65d701f1a [2021-11-22 23:22:59,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:22:59,675 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:22:59,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:22:59,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:22:59,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:22:59,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:22:59" (1/1) ... [2021-11-22 23:22:59,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5343e81e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:59, skipping insertion in model container [2021-11-22 23:22:59,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:22:59" (1/1) ... [2021-11-22 23:22:59,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:22:59,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:23:00,088 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_a2499480-fbe2-4ddf-8d2e-ff470f4c6fab/sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c[15256,15269] [2021-11-22 23:23:00,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:23:00,123 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:23:00,206 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_a2499480-fbe2-4ddf-8d2e-ff470f4c6fab/sv-benchmarks/c/product-lines/minepump_spec1_product51.cil.c[15256,15269] [2021-11-22 23:23:00,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:23:00,257 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:23:00,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:00 WrapperNode [2021-11-22 23:23:00,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:23:00,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:23:00,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:23:00,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:23:00,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:00" (1/1) ... [2021-11-22 23:23:00,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:00" (1/1) ... [2021-11-22 23:23:00,339 INFO L137 Inliner]: procedures = 56, calls = 156, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 254 [2021-11-22 23:23:00,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:23:00,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:23:00,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:23:00,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:23:00,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:00" (1/1) ... [2021-11-22 23:23:00,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:00" (1/1) ... [2021-11-22 23:23:00,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:00" (1/1) ... [2021-11-22 23:23:00,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:00" (1/1) ... [2021-11-22 23:23:00,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:00" (1/1) ... [2021-11-22 23:23:00,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:00" (1/1) ... [2021-11-22 23:23:00,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:00" (1/1) ... [2021-11-22 23:23:00,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:23:00,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:23:00,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:23:00,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:23:00,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:00" (1/1) ... [2021-11-22 23:23:00,409 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:23:00,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2499480-fbe2-4ddf-8d2e-ff470f4c6fab/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:23:00,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2499480-fbe2-4ddf-8d2e-ff470f4c6fab/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:23:00,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2499480-fbe2-4ddf-8d2e-ff470f4c6fab/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:23:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:23:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-22 23:23:00,519 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-22 23:23:00,520 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-22 23:23:00,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-22 23:23:00,520 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-22 23:23:00,520 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-22 23:23:00,520 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-22 23:23:00,521 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-22 23:23:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-11-22 23:23:00,521 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-11-22 23:23:00,521 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-22 23:23:00,521 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-22 23:23:00,522 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-22 23:23:00,522 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-22 23:23:00,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:23:00,522 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-22 23:23:00,522 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-22 23:23:00,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:23:00,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:23:00,651 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:23:00,653 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:23:00,989 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:23:01,067 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:23:01,068 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 23:23:01,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:23:01 BoogieIcfgContainer [2021-11-22 23:23:01,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:23:01,072 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:23:01,072 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:23:01,083 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:23:01,083 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:23:01" (1/1) ... [2021-11-22 23:23:01,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:23:01,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:01,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 63 states and 84 transitions. [2021-11-22 23:23:01,160 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2021-11-22 23:23:01,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:23:01,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:01,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:01,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:01,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:01,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 63 states and 82 transitions. [2021-11-22 23:23:01,416 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2021-11-22 23:23:01,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:23:01,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:01,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:01,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:01,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:01,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 65 states and 85 transitions. [2021-11-22 23:23:01,590 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 85 transitions. [2021-11-22 23:23:01,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:23:01,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:01,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:01,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:01,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:01,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 75 states and 105 transitions. [2021-11-22 23:23:01,782 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 105 transitions. [2021-11-22 23:23:01,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:23:01,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:01,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:01,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:01,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:01,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 76 states and 106 transitions. [2021-11-22 23:23:01,903 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 106 transitions. [2021-11-22 23:23:01,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:23:01,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:01,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:01,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:02,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:02,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 77 states and 107 transitions. [2021-11-22 23:23:02,009 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2021-11-22 23:23:02,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:23:02,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:02,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:02,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:02,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:02,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 78 states and 108 transitions. [2021-11-22 23:23:02,117 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 108 transitions. [2021-11-22 23:23:02,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:23:02,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:02,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:02,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:02,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:02,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 89 states and 131 transitions. [2021-11-22 23:23:02,512 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 131 transitions. [2021-11-22 23:23:02,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:23:02,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:02,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:02,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:03,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:03,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 106 states and 169 transitions. [2021-11-22 23:23:03,288 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 169 transitions. [2021-11-22 23:23:03,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:23:03,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:03,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:03,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:03,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:03,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 107 states and 170 transitions. [2021-11-22 23:23:03,436 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 170 transitions. [2021-11-22 23:23:03,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:23:03,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:03,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:03,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:03,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:03,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 108 states and 171 transitions. [2021-11-22 23:23:03,528 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 171 transitions. [2021-11-22 23:23:03,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:23:03,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:03,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:03,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:03,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:03,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 109 states and 172 transitions. [2021-11-22 23:23:03,615 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 172 transitions. [2021-11-22 23:23:03,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:23:03,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:03,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:03,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:04,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:04,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 121 states and 190 transitions. [2021-11-22 23:23:04,347 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 190 transitions. [2021-11-22 23:23:04,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:23:04,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:04,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:04,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:04,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:04,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 127 states and 202 transitions. [2021-11-22 23:23:04,483 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 202 transitions. [2021-11-22 23:23:04,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:23:04,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:04,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:04,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:04,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:04,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 128 states and 203 transitions. [2021-11-22 23:23:04,577 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 203 transitions. [2021-11-22 23:23:04,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:23:04,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:04,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:04,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:04,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:04,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 130 states and 209 transitions. [2021-11-22 23:23:04,783 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 209 transitions. [2021-11-22 23:23:04,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:23:04,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:04,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:04,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:05,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:06,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:06,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 145 states and 245 transitions. [2021-11-22 23:23:06,639 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 245 transitions. [2021-11-22 23:23:06,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:23:06,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:06,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:06,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:07,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:07,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 146 states and 249 transitions. [2021-11-22 23:23:07,096 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 249 transitions. [2021-11-22 23:23:07,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:23:07,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:07,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:07,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:07,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:07,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 147 states and 250 transitions. [2021-11-22 23:23:07,391 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 250 transitions. [2021-11-22 23:23:07,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:23:07,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:07,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:23:07,410 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 23:23:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:23:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:23:07,525 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 23:23:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 23:23:07,629 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 19 iterations. [2021-11-22 23:23:07,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:23:07 ImpRootNode [2021-11-22 23:23:07,697 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-22 23:23:07,697 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:23:07,697 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:23:07,698 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:23:07,698 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:23:01" (3/4) ... [2021-11-22 23:23:07,700 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-22 23:23:07,790 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2499480-fbe2-4ddf-8d2e-ff470f4c6fab/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-22 23:23:07,790 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:23:07,795 INFO L158 Benchmark]: Toolchain (without parser) took 8115.89ms. Allocated memory was 88.1MB in the beginning and 134.2MB in the end (delta: 46.1MB). Free memory was 51.9MB in the beginning and 75.7MB in the end (delta: -23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-22 23:23:07,796 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 88.1MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:23:07,797 INFO L158 Benchmark]: CACSL2BoogieTranslator took 579.53ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 51.7MB in the beginning and 75.3MB in the end (delta: -23.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-22 23:23:07,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.11ms. Allocated memory is still 107.0MB. Free memory was 75.3MB in the beginning and 72.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:23:07,800 INFO L158 Benchmark]: Boogie Preprocessor took 49.60ms. Allocated memory is still 107.0MB. Free memory was 72.9MB in the beginning and 71.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:23:07,801 INFO L158 Benchmark]: RCFGBuilder took 680.69ms. Allocated memory is still 107.0MB. Free memory was 71.2MB in the beginning and 50.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-22 23:23:07,802 INFO L158 Benchmark]: CodeCheck took 6624.96ms. Allocated memory was 107.0MB in the beginning and 134.2MB in the end (delta: 27.3MB). Free memory was 50.2MB in the beginning and 79.9MB in the end (delta: -29.7MB). Peak memory consumption was 304.0kB. Max. memory is 16.1GB. [2021-11-22 23:23:07,802 INFO L158 Benchmark]: Witness Printer took 93.14ms. Allocated memory is still 134.2MB. Free memory was 79.9MB in the beginning and 75.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 23:23:07,805 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 19, 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, 3107 SdHoareTripleChecker+Valid, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1387 mSDsluCounter, 3616 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2484 mSDsCounter, 622 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2620 IncrementalHoareTripleChecker+Invalid, 3242 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 622 mSolverCounterUnsat, 1216 mSDtfsCounter, 2620 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4092 GetRequests, 3937 SyntacticMatches, 25 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8001 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 495 NumberOfCodeBlocks, 495 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 443 ConstructedInterpolants, 0 QuantifiedInterpolants, 1117 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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: 714]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L131] int pumpRunning = 0; [L132] int systemActive = 1; [L513] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L783] int cleanupTimeShifts = 4; [L880] int waterLevel = 1; [L881] int methaneLevelCritical = 0; [L856] int retValue_acc ; [L857] int tmp ; [L861] FCALL select_helpers() [L862] FCALL select_features() [L863] CALL, EXPR valid_product() [L748] int retValue_acc ; [L751] retValue_acc = 1 [L752] return (retValue_acc); [L863] RET, EXPR valid_product() [L863] tmp = valid_product() [L865] COND TRUE \read(tmp) [L867] FCALL setup() [L868] CALL runTest() [L850] 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] [L898] COND TRUE waterLevel < 2 [L899] 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 TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=1, waterLevel=2] [L87] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L910] COND FALSE !(\read(methaneLevelCritical)) [L913] methaneLevelCritical = 1 [L87] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=1, waterLevel=2] [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=1, tmp___2=1, waterLevel=2] [L110] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L139] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L146] COND TRUE \read(systemActive) [L148] CALL processEnvironment() [L194] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L197] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L212] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L168] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L171] COND TRUE ! pumpRunning [L173] CALL, EXPR isHighWaterLevel() [L291] int retValue_acc ; [L292] int tmp ; [L293] int tmp___0 ; [L297] CALL, EXPR isHighWaterSensorDry() [L960] int retValue_acc ; [L963] COND FALSE !(waterLevel < 2) [L967] retValue_acc = 0 [L968] return (retValue_acc); [L297] RET, EXPR isHighWaterSensorDry() [L297] tmp = isHighWaterSensorDry() [L299] COND FALSE !(\read(tmp)) [L302] tmp___0 = 1 [L304] retValue_acc = tmp___0 [L305] return (retValue_acc); [L173] RET, EXPR isHighWaterLevel() [L173] tmp = isHighWaterLevel() [L175] COND TRUE \read(tmp) [L177] CALL activatePump() [L222] pumpRunning = 1 [L177] RET activatePump() [L212] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L148] RET processEnvironment() [L154] CALL __utac_acc__Specification1_spec__1() [L758] int tmp ; [L759] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L763] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L919] int retValue_acc ; [L922] retValue_acc = methaneLevelCritical [L923] return (retValue_acc); [L763] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L763] tmp = isMethaneLevelCritical() [L765] COND TRUE \read(tmp) [L767] CALL, EXPR isPumpRunning() [L246] int retValue_acc ; [L249] retValue_acc = pumpRunning [L250] return (retValue_acc); [L767] RET, EXPR isPumpRunning() [L767] tmp___0 = isPumpRunning() [L769] COND TRUE \read(tmp___0) [L771] CALL __automaton_fail() [L714] 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 0.37ms. Allocated memory is still 88.1MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 579.53ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 51.7MB in the beginning and 75.3MB in the end (delta: -23.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.11ms. Allocated memory is still 107.0MB. Free memory was 75.3MB in the beginning and 72.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.60ms. Allocated memory is still 107.0MB. Free memory was 72.9MB in the beginning and 71.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 680.69ms. Allocated memory is still 107.0MB. Free memory was 71.2MB in the beginning and 50.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 6624.96ms. Allocated memory was 107.0MB in the beginning and 134.2MB in the end (delta: 27.3MB). Free memory was 50.2MB in the beginning and 79.9MB in the end (delta: -29.7MB). Peak memory consumption was 304.0kB. Max. memory is 16.1GB. * Witness Printer took 93.14ms. Allocated memory is still 134.2MB. Free memory was 79.9MB in the beginning and 75.7MB 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! [2021-11-22 23:23:07,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2499480-fbe2-4ddf-8d2e-ff470f4c6fab/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