./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product56.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb155cc6-cc37-44fa-b9ce-4e937dccaee3/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb155cc6-cc37-44fa-b9ce-4e937dccaee3/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb155cc6-cc37-44fa-b9ce-4e937dccaee3/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb155cc6-cc37-44fa-b9ce-4e937dccaee3/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product56.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb155cc6-cc37-44fa-b9ce-4e937dccaee3/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb155cc6-cc37-44fa-b9ce-4e937dccaee3/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a24146f0f51336ad73890bbd928f5403b02b7d1c9a9c70cce136ffcb124619cc ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:10:51,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:10:51,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:10:51,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:10:51,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:10:51,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:10:51,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:10:51,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:10:51,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:10:51,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:10:51,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:10:51,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:10:51,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:10:51,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:10:51,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:10:51,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:10:51,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:10:51,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:10:51,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:10:51,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:10:51,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:10:51,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:10:51,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:10:51,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:10:51,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:10:51,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:10:51,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:10:51,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:10:51,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:10:51,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:10:51,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:10:51,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:10:51,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:10:51,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:10:51,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:10:51,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:10:51,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:10:51,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:10:51,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:10:51,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:10:51,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:10:51,435 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb155cc6-cc37-44fa-b9ce-4e937dccaee3/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:10:51,477 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:10:51,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:10:51,479 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:10:51,479 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:10:51,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:10:51,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:10:51,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:10:51,481 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:10:51,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:10:51,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:10:51,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:10:51,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:10:51,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:10:51,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:10:51,489 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:10:51,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:10:51,489 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:10:51,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:10:51,490 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:10:51,490 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:10:51,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:10:51,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:10:51,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:10:51,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:10:51,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:10:51,491 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:10:51,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:10:51,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:10:51,492 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_eb155cc6-cc37-44fa-b9ce-4e937dccaee3/bin/ukojak-Rh5K9KB4LI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb155cc6-cc37-44fa-b9ce-4e937dccaee3/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a24146f0f51336ad73890bbd928f5403b02b7d1c9a9c70cce136ffcb124619cc [2021-10-29 03:10:51,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:10:51,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:10:51,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:10:51,809 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:10:51,810 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:10:51,811 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb155cc6-cc37-44fa-b9ce-4e937dccaee3/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/product-lines/minepump_spec1_product56.cil.c [2021-10-29 03:10:51,893 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb155cc6-cc37-44fa-b9ce-4e937dccaee3/bin/ukojak-Rh5K9KB4LI/data/e6aa6d2ea/37995c048f7f408db0085267c390455e/FLAG3bb2f889b [2021-10-29 03:10:52,401 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:10:52,402 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb155cc6-cc37-44fa-b9ce-4e937dccaee3/sv-benchmarks/c/product-lines/minepump_spec1_product56.cil.c [2021-10-29 03:10:52,417 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb155cc6-cc37-44fa-b9ce-4e937dccaee3/bin/ukojak-Rh5K9KB4LI/data/e6aa6d2ea/37995c048f7f408db0085267c390455e/FLAG3bb2f889b [2021-10-29 03:10:52,714 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb155cc6-cc37-44fa-b9ce-4e937dccaee3/bin/ukojak-Rh5K9KB4LI/data/e6aa6d2ea/37995c048f7f408db0085267c390455e [2021-10-29 03:10:52,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:10:52,717 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:10:52,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:10:52,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:10:52,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:10:52,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:10:52" (1/1) ... [2021-10-29 03:10:52,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f67fb46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:10:52, skipping insertion in model container [2021-10-29 03:10:52,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:10:52" (1/1) ... [2021-10-29 03:10:52,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:10:52,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:10:53,191 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb155cc6-cc37-44fa-b9ce-4e937dccaee3/sv-benchmarks/c/product-lines/minepump_spec1_product56.cil.c[16679,16692] [2021-10-29 03:10:53,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:10:53,215 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:10:53,294 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb155cc6-cc37-44fa-b9ce-4e937dccaee3/sv-benchmarks/c/product-lines/minepump_spec1_product56.cil.c[16679,16692] [2021-10-29 03:10:53,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:10:53,334 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:10:53,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:10:53 WrapperNode [2021-10-29 03:10:53,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:10:53,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:10:53,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:10:53,339 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:10:53,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:10:53" (1/1) ... [2021-10-29 03:10:53,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:10:53" (1/1) ... [2021-10-29 03:10:53,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:10:53,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:10:53,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:10:53,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:10:53,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:10:53" (1/1) ... [2021-10-29 03:10:53,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:10:53" (1/1) ... [2021-10-29 03:10:53,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:10:53" (1/1) ... [2021-10-29 03:10:53,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:10:53" (1/1) ... [2021-10-29 03:10:53,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:10:53" (1/1) ... [2021-10-29 03:10:53,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:10:53" (1/1) ... [2021-10-29 03:10:53,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:10:53" (1/1) ... [2021-10-29 03:10:53,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:10:53,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:10:53,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:10:53,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:10:53,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:10:53" (1/1) ... [2021-10-29 03:10:53,457 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:10:53,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb155cc6-cc37-44fa-b9ce-4e937dccaee3/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:10:53,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb155cc6-cc37-44fa-b9ce-4e937dccaee3/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:10:53,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb155cc6-cc37-44fa-b9ce-4e937dccaee3/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:10:53,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:10:53,542 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-10-29 03:10:53,542 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-10-29 03:10:53,543 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-10-29 03:10:53,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-10-29 03:10:53,544 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-10-29 03:10:53,544 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-10-29 03:10:53,544 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-10-29 03:10:53,544 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-10-29 03:10:53,544 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-10-29 03:10:53,544 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-10-29 03:10:53,545 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-10-29 03:10:53,545 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-10-29 03:10:53,545 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2021-10-29 03:10:53,545 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2021-10-29 03:10:53,545 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-10-29 03:10:53,545 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-10-29 03:10:53,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:10:53,546 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-10-29 03:10:53,546 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-10-29 03:10:53,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:10:53,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:10:54,766 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:10:54,767 INFO L299 CfgBuilder]: Removed 44 assume(true) statements. [2021-10-29 03:10:54,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:10:54 BoogieIcfgContainer [2021-10-29 03:10:54,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:10:54,771 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:10:54,771 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:10:54,781 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:10:54,781 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:10:54" (1/1) ... [2021-10-29 03:10:54,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:10:54,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:54,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 71 states and 97 transitions. [2021-10-29 03:10:54,828 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 97 transitions. [2021-10-29 03:10:54,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:10:54,833 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:54,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:55,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:55,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:55,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 71 states and 95 transitions. [2021-10-29 03:10:55,189 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 95 transitions. [2021-10-29 03:10:55,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 03:10:55,192 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:55,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:55,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:55,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:55,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 73 states and 98 transitions. [2021-10-29 03:10:55,420 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 98 transitions. [2021-10-29 03:10:55,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 03:10:55,422 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:55,422 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:55,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:55,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:55,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 76 states and 106 transitions. [2021-10-29 03:10:55,583 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 106 transitions. [2021-10-29 03:10:55,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 03:10:55,585 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:55,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:55,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:55,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:55,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:55,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 84 states and 120 transitions. [2021-10-29 03:10:55,812 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2021-10-29 03:10:55,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:10:55,813 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:55,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:55,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:55,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:55,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 85 states and 121 transitions. [2021-10-29 03:10:55,887 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 121 transitions. [2021-10-29 03:10:55,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 03:10:55,888 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:55,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:55,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:55,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:55,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 86 states and 122 transitions. [2021-10-29 03:10:55,980 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 122 transitions. [2021-10-29 03:10:55,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 03:10:55,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:55,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:56,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:56,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:56,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 103 states and 159 transitions. [2021-10-29 03:10:56,512 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 159 transitions. [2021-10-29 03:10:56,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:10:56,514 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:56,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:56,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:56,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:56,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 104 states and 160 transitions. [2021-10-29 03:10:56,608 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 160 transitions. [2021-10-29 03:10:56,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:10:56,613 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:56,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:56,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:57,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:57,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 123 states and 200 transitions. [2021-10-29 03:10:57,718 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 200 transitions. [2021-10-29 03:10:57,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 03:10:57,720 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:57,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:57,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:10:57,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:57,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 129 states and 215 transitions. [2021-10-29 03:10:57,814 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 215 transitions. [2021-10-29 03:10:57,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 03:10:57,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:57,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:57,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:57,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:57,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 131 states and 217 transitions. [2021-10-29 03:10:57,957 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 217 transitions. [2021-10-29 03:10:57,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 03:10:57,963 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:57,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:58,019 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:10:58,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:58,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 132 states and 218 transitions. [2021-10-29 03:10:58,035 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 218 transitions. [2021-10-29 03:10:58,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 03:10:58,037 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:58,044 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:58,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:58,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:58,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 134 states and 224 transitions. [2021-10-29 03:10:58,283 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 224 transitions. [2021-10-29 03:10:58,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 03:10:58,284 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:58,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:58,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:58,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:58,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 137 states and 231 transitions. [2021-10-29 03:10:58,542 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 231 transitions. [2021-10-29 03:10:58,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 03:10:58,543 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:58,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:58,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:58,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:58,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 140 states and 238 transitions. [2021-10-29 03:10:58,769 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 238 transitions. [2021-10-29 03:10:58,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 03:10:58,770 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:58,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:58,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:10:58,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:10:58,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 145 states and 247 transitions. [2021-10-29 03:10:58,860 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 247 transitions. [2021-10-29 03:10:58,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 03:10:58,863 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:10:58,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:10:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:10:59,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:11:01,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:11:01,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 162 states and 292 transitions. [2021-10-29 03:11:01,237 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 292 transitions. [2021-10-29 03:11:01,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 03:11:01,238 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:11:01,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:11:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:11:01,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:11:01,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:11:01,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 163 states and 293 transitions. [2021-10-29 03:11:01,931 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 293 transitions. [2021-10-29 03:11:01,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 03:11:01,932 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:11:01,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:11:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:11:01,986 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:11:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:11:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:11:02,358 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:11:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:11:02,516 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 19 iterations. [2021-10-29 03:11:02,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:11:02 ImpRootNode [2021-10-29 03:11:02,713 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:11:02,713 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:11:02,713 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:11:02,714 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:11:02,714 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:10:54" (3/4) ... [2021-10-29 03:11:02,716 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 03:11:02,921 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb155cc6-cc37-44fa-b9ce-4e937dccaee3/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:11:02,921 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:11:02,922 INFO L168 Benchmark]: Toolchain (without parser) took 10203.90 ms. Allocated memory was 104.9 MB in the beginning and 172.0 MB in the end (delta: 67.1 MB). Free memory was 71.1 MB in the beginning and 124.2 MB in the end (delta: -53.1 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:11:02,923 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 86.0 MB. Free memory is still 44.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:11:02,923 INFO L168 Benchmark]: CACSL2BoogieTranslator took 607.80 ms. Allocated memory is still 104.9 MB. Free memory was 70.9 MB in the beginning and 69.9 MB in the end (delta: 932.5 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:11:02,924 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.62 ms. Allocated memory is still 104.9 MB. Free memory was 69.9 MB in the beginning and 67.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:11:02,924 INFO L168 Benchmark]: Boogie Preprocessor took 46.33 ms. Allocated memory is still 104.9 MB. Free memory was 67.4 MB in the beginning and 65.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:11:02,924 INFO L168 Benchmark]: RCFGBuilder took 1320.51 ms. Allocated memory is still 104.9 MB. Free memory was 65.3 MB in the beginning and 54.4 MB in the end (delta: 11.0 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:11:02,925 INFO L168 Benchmark]: CodeCheck took 7942.30 ms. Allocated memory was 104.9 MB in the beginning and 172.0 MB in the end (delta: 67.1 MB). Free memory was 53.8 MB in the beginning and 138.8 MB in the end (delta: -85.1 MB). Peak memory consumption was 77.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:11:02,925 INFO L168 Benchmark]: Witness Printer took 207.66 ms. Allocated memory is still 172.0 MB. Free memory was 138.8 MB in the beginning and 124.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:11:02,928 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 10 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.7s, 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: 5987800 SDtfs, 1318356 SDslu, 2332612 SDs, 0 SdLazy, 1826788 SolverSat, 630576 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4474 GetRequests, 4306 SyntacticMatches, 54 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8568 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 528 NumberOfCodeBlocks, 528 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 472 ConstructedInterpolants, 0 QuantifiedInterpolants, 1064 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 4/4 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: 816]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L500] int pumpRunning = 0; [L501] int systemActive = 1; [L821] int cleanupTimeShifts = 4; [L918] int waterLevel = 1; [L919] int methaneLevelCritical = 0; [L894] int retValue_acc ; [L895] int tmp ; [L776] int retValue_acc ; [L779] retValue_acc = 1 [L780] return (retValue_acc); [L901] tmp = valid_product() [L903] COND TRUE \read(tmp) [L423] int splverifierCounter ; [L424] int tmp ; [L425] int tmp___0 ; [L426] int tmp___1 ; [L427] int tmp___2 ; [L430] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L432] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L434] COND TRUE splverifierCounter < 4 [L440] tmp = __VERIFIER_nondet_int() [L442] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L444] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L936] COND TRUE waterLevel < 2 [L937] waterLevel = waterLevel + 1 [L444] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L450] tmp___0 = __VERIFIER_nondet_int() [L452] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L454] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L948] COND FALSE !(\read(methaneLevelCritical)) [L951] methaneLevelCritical = 1 [L454] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L460] tmp___2 = __VERIFIER_nondet_int() [L462] COND TRUE \read(tmp___2) [L742] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L479] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L508] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L515] COND TRUE \read(systemActive) [L589] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L592] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L607] CALL processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L563] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L566] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L581] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L537] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L540] COND TRUE ! pumpRunning [L686] int retValue_acc ; [L687] int tmp ; [L688] int tmp___0 ; [L998] int retValue_acc ; [L1001] COND FALSE !(waterLevel < 2) [L1005] retValue_acc = 0 [L1006] return (retValue_acc); [L692] tmp = isHighWaterSensorDry() [L694] COND FALSE !(\read(tmp)) [L697] tmp___0 = 1 [L699] retValue_acc = tmp___0 [L700] return (retValue_acc); [L542] tmp = isHighWaterLevel() [L544] COND TRUE \read(tmp) [L617] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L581] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L607] RET processEnvironment__wrappee__lowWaterSensor() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L787] int tmp ; [L788] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L792] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L957] int retValue_acc ; [L960] retValue_acc = methaneLevelCritical [L961] return (retValue_acc); [L792] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L792] tmp = isMethaneLevelCritical() [L794] COND TRUE \read(tmp) [L641] int retValue_acc ; [L644] retValue_acc = pumpRunning [L645] return (retValue_acc); [L796] tmp___0 = isPumpRunning() [L798] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L816] 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 0.21 ms. Allocated memory is still 86.0 MB. Free memory is still 44.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 607.80 ms. Allocated memory is still 104.9 MB. Free memory was 70.9 MB in the beginning and 69.9 MB in the end (delta: 932.5 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.62 ms. Allocated memory is still 104.9 MB. Free memory was 69.9 MB in the beginning and 67.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.33 ms. Allocated memory is still 104.9 MB. Free memory was 67.4 MB in the beginning and 65.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1320.51 ms. Allocated memory is still 104.9 MB. Free memory was 65.3 MB in the beginning and 54.4 MB in the end (delta: 11.0 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. * CodeCheck took 7942.30 ms. Allocated memory was 104.9 MB in the beginning and 172.0 MB in the end (delta: 67.1 MB). Free memory was 53.8 MB in the beginning and 138.8 MB in the end (delta: -85.1 MB). Peak memory consumption was 77.1 MB. Max. memory is 16.1 GB. * Witness Printer took 207.66 ms. Allocated memory is still 172.0 MB. Free memory was 138.8 MB in the beginning and 124.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 03:11:02,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb155cc6-cc37-44fa-b9ce-4e937dccaee3/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...