./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd314ff-6c60-4c50-bd91-debf106cbf58/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd314ff-6c60-4c50-bd91-debf106cbf58/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd314ff-6c60-4c50-bd91-debf106cbf58/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd314ff-6c60-4c50-bd91-debf106cbf58/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd314ff-6c60-4c50-bd91-debf106cbf58/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd314ff-6c60-4c50-bd91-debf106cbf58/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --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 f807df90a44b5a362b78d711bb9d82091c60659923cb4423e7d2e565ee7e12b3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:00:59,230 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:00:59,300 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd314ff-6c60-4c50-bd91-debf106cbf58/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:00:59,306 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:00:59,307 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:00:59,334 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:00:59,335 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:00:59,335 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:00:59,336 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:00:59,337 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:00:59,338 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:00:59,338 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:00:59,339 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:00:59,340 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:00:59,340 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:00:59,341 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:00:59,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:00:59,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:00:59,343 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:00:59,344 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:00:59,344 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:00:59,345 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:00:59,346 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:00:59,346 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:00:59,347 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:00:59,348 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:00:59,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:59,349 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:00:59,349 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:00:59,350 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:00:59,350 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:00:59,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:00:59,351 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:00:59,352 INFO L153 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_2bd314ff-6c60-4c50-bd91-debf106cbf58/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd314ff-6c60-4c50-bd91-debf106cbf58/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f807df90a44b5a362b78d711bb9d82091c60659923cb4423e7d2e565ee7e12b3 [2023-11-19 04:00:59,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:00:59,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:00:59,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:00:59,752 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:00:59,753 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:00:59,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd314ff-6c60-4c50-bd91-debf106cbf58/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c [2023-11-19 04:01:03,053 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:01:03,352 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:01:03,353 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd314ff-6c60-4c50-bd91-debf106cbf58/sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c [2023-11-19 04:01:03,368 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd314ff-6c60-4c50-bd91-debf106cbf58/bin/ukojak-verify-G8NBE6pJGL/data/9a8ed3c3e/96b71925d68e413ba5172e614917fd29/FLAG7f8fcf7ab [2023-11-19 04:01:03,385 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd314ff-6c60-4c50-bd91-debf106cbf58/bin/ukojak-verify-G8NBE6pJGL/data/9a8ed3c3e/96b71925d68e413ba5172e614917fd29 [2023-11-19 04:01:03,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:01:03,390 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:01:03,392 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:03,392 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:01:03,398 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:01:03,399 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:03" (1/1) ... [2023-11-19 04:01:03,400 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32bf3d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:03, skipping insertion in model container [2023-11-19 04:01:03,401 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:03" (1/1) ... [2023-11-19 04:01:03,457 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:01:03,769 WARN L240 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_2bd314ff-6c60-4c50-bd91-debf106cbf58/sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c[14361,14374] [2023-11-19 04:01:03,796 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:03,808 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:01:03,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2023-11-19 04:01:03,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [153] [2023-11-19 04:01:03,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [519] [2023-11-19 04:01:03,822 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [554] [2023-11-19 04:01:03,822 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [648] [2023-11-19 04:01:03,822 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [657] [2023-11-19 04:01:03,823 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [865] [2023-11-19 04:01:03,823 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [891] [2023-11-19 04:01:03,907 WARN L240 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_2bd314ff-6c60-4c50-bd91-debf106cbf58/sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c[14361,14374] [2023-11-19 04:01:03,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:03,966 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:01:03,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:03 WrapperNode [2023-11-19 04:01:03,967 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:03,968 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:03,968 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:01:03,968 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:01:03,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:03" (1/1) ... [2023-11-19 04:01:03,988 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:03" (1/1) ... [2023-11-19 04:01:04,017 INFO L138 Inliner]: procedures = 55, calls = 100, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 172 [2023-11-19 04:01:04,017 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:04,018 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:01:04,018 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:01:04,019 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:01:04,029 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:03" (1/1) ... [2023-11-19 04:01:04,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:03" (1/1) ... [2023-11-19 04:01:04,032 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:03" (1/1) ... [2023-11-19 04:01:04,032 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:03" (1/1) ... [2023-11-19 04:01:04,039 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:03" (1/1) ... [2023-11-19 04:01:04,044 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:03" (1/1) ... [2023-11-19 04:01:04,046 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:03" (1/1) ... [2023-11-19 04:01:04,048 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:03" (1/1) ... [2023-11-19 04:01:04,051 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:01:04,052 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:01:04,053 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:01:04,053 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:01:04,054 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:03" (1/1) ... [2023-11-19 04:01:04,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:04,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd314ff-6c60-4c50-bd91-debf106cbf58/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:01:04,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd314ff-6c60-4c50-bd91-debf106cbf58/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:01:04,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd314ff-6c60-4c50-bd91-debf106cbf58/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:01:04,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:01:04,135 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-19 04:01:04,135 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-19 04:01:04,135 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-19 04:01:04,135 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-19 04:01:04,137 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-19 04:01:04,137 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-19 04:01:04,138 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-19 04:01:04,138 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-19 04:01:04,138 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-19 04:01:04,140 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-19 04:01:04,140 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-19 04:01:04,141 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-19 04:01:04,141 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-19 04:01:04,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-19 04:01:04,141 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-19 04:01:04,141 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-19 04:01:04,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:01:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-19 04:01:04,142 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-19 04:01:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:01:04,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:01:04,227 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:01:04,230 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:01:04,602 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:01:04,722 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:01:04,722 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:01:04,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:04 BoogieIcfgContainer [2023-11-19 04:01:04,734 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:01:04,735 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:01:04,735 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:01:04,745 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:01:04,745 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:04" (1/1) ... [2023-11-19 04:01:04,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:01:04,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:04,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 65 states and 84 transitions. [2023-11-19 04:01:04,819 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2023-11-19 04:01:04,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:01:04,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:04,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:05,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:05,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:05,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2023-11-19 04:01:05,184 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2023-11-19 04:01:05,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:01:05,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:05,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:05,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:05,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:05,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 67 states and 85 transitions. [2023-11-19 04:01:05,339 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2023-11-19 04:01:05,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:01:05,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:05,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:05,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:05,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:05,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 76 states and 102 transitions. [2023-11-19 04:01:05,689 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2023-11-19 04:01:05,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:01:05,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:05,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:05,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:06,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:06,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 90 states and 131 transitions. [2023-11-19 04:01:06,335 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 131 transitions. [2023-11-19 04:01:06,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:01:06,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:06,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:06,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:06,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:06,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 91 states and 132 transitions. [2023-11-19 04:01:06,497 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 132 transitions. [2023-11-19 04:01:06,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:01:06,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:06,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:06,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:06,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:06,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 92 states and 133 transitions. [2023-11-19 04:01:06,610 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 133 transitions. [2023-11-19 04:01:06,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 04:01:06,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:06,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:06,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:06,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:06,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 101 states and 150 transitions. [2023-11-19 04:01:06,780 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 150 transitions. [2023-11-19 04:01:06,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:01:06,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:06,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:06,872 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:01:07,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:07,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 111 states and 171 transitions. [2023-11-19 04:01:07,430 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 171 transitions. [2023-11-19 04:01:07,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:01:07,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:07,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:07,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:08,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:08,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 125 states and 201 transitions. [2023-11-19 04:01:08,463 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 201 transitions. [2023-11-19 04:01:08,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:01:08,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:08,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:08,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:08,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:08,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 127 states and 206 transitions. [2023-11-19 04:01:08,892 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 206 transitions. [2023-11-19 04:01:08,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:01:08,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:08,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:08,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:08,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:08,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 125 states and 200 transitions. [2023-11-19 04:01:08,989 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 200 transitions. [2023-11-19 04:01:08,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:01:08,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:08,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:09,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:01:09,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:09,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 126 states and 201 transitions. [2023-11-19 04:01:09,094 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 201 transitions. [2023-11-19 04:01:09,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 04:01:09,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:09,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:09,139 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:01:09,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:09,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 131 states and 211 transitions. [2023-11-19 04:01:09,268 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 211 transitions. [2023-11-19 04:01:09,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:01:09,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:09,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:09,323 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:01:09,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:09,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 132 states and 212 transitions. [2023-11-19 04:01:09,354 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 212 transitions. [2023-11-19 04:01:09,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:01:09,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:09,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:09,735 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:01:10,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:10,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 135 states and 218 transitions. [2023-11-19 04:01:10,457 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 218 transitions. [2023-11-19 04:01:10,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:01:10,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:10,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:10,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:10,510 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:01:10,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:10,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 138 states and 225 transitions. [2023-11-19 04:01:10,749 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 225 transitions. [2023-11-19 04:01:10,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 04:01:10,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:10,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:10,881 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:01:11,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:11,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 147 states and 240 transitions. [2023-11-19 04:01:11,710 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 240 transitions. [2023-11-19 04:01:11,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 04:01:11,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:11,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:11,794 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 04:01:12,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:12,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 154 states and 260 transitions. [2023-11-19 04:01:12,993 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 260 transitions. [2023-11-19 04:01:12,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 04:01:12,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:12,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:13,081 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 04:01:13,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:13,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 161 states and 275 transitions. [2023-11-19 04:01:13,870 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 275 transitions. [2023-11-19 04:01:13,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-19 04:01:13,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:13,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:13,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:13,981 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 04:01:15,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:15,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 174 states and 298 transitions. [2023-11-19 04:01:15,387 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 298 transitions. [2023-11-19 04:01:15,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 04:01:15,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:15,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:15,496 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 04:01:15,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:15,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 175 states and 299 transitions. [2023-11-19 04:01:15,535 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 299 transitions. [2023-11-19 04:01:15,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 04:01:15,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:15,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:15,587 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 04:01:15,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:15,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 178 states and 304 transitions. [2023-11-19 04:01:15,623 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 304 transitions. [2023-11-19 04:01:15,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 04:01:15,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:15,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:15,676 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-19 04:01:15,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:15,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 179 states and 305 transitions. [2023-11-19 04:01:15,722 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 305 transitions. [2023-11-19 04:01:15,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 04:01:15,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:15,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:15,777 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 04:01:15,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:15,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 70 states and 85 transitions. [2023-11-19 04:01:15,813 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 85 transitions. [2023-11-19 04:01:15,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:01:15,813 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2023-11-19 04:01:15,821 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 04:01:16,153 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:01:16,158 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:01:16,158 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:01:16,158 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 04:01:16,163 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:01:16,163 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:01:16,163 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:01:16,164 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:01:16,164 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2023-11-19 04:01:16,166 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:01:16,167 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2023-11-19 04:01:16,169 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:01:16,169 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:01:16,169 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:01:16,169 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2023-11-19 04:01:16,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:01:16 ImpRootNode [2023-11-19 04:01:16,172 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:01:16,172 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:01:16,173 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:01:16,173 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:01:16,173 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:04" (3/4) ... [2023-11-19 04:01:16,175 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:01:16,179 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-19 04:01:16,179 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-19 04:01:16,179 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-19 04:01:16,180 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-19 04:01:16,180 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-19 04:01:16,180 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-19 04:01:16,180 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-19 04:01:16,181 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2023-11-19 04:01:16,181 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2023-11-19 04:01:16,191 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2023-11-19 04:01:16,192 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-19 04:01:16,192 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 04:01:16,193 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:01:16,194 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:01:16,223 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning)) || !((pumpRunning == 0))) || (0 == systemActive)) [2023-11-19 04:01:16,225 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning)) [2023-11-19 04:01:16,291 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning)) || !((pumpRunning == 0))) || (0 == systemActive)) [2023-11-19 04:01:16,292 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning)) [2023-11-19 04:01:16,348 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd314ff-6c60-4c50-bd91-debf106cbf58/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 04:01:16,349 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd314ff-6c60-4c50-bd91-debf106cbf58/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 04:01:16,349 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:01:16,350 INFO L158 Benchmark]: Toolchain (without parser) took 12959.98ms. Allocated memory was 153.1MB in the beginning and 222.3MB in the end (delta: 69.2MB). Free memory was 113.4MB in the beginning and 166.6MB in the end (delta: -53.2MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2023-11-19 04:01:16,350 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 111.1MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:01:16,351 INFO L158 Benchmark]: CACSL2BoogieTranslator took 575.37ms. Allocated memory is still 153.1MB. Free memory was 112.9MB in the beginning and 94.1MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 04:01:16,355 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.46ms. Allocated memory is still 153.1MB. Free memory was 94.0MB in the beginning and 91.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:01:16,356 INFO L158 Benchmark]: Boogie Preprocessor took 33.49ms. Allocated memory is still 153.1MB. Free memory was 91.9MB in the beginning and 89.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:01:16,356 INFO L158 Benchmark]: RCFGBuilder took 681.40ms. Allocated memory is still 153.1MB. Free memory was 89.9MB in the beginning and 66.1MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 04:01:16,357 INFO L158 Benchmark]: CodeCheck took 11437.41ms. Allocated memory was 153.1MB in the beginning and 222.3MB in the end (delta: 69.2MB). Free memory was 66.1MB in the beginning and 173.9MB in the end (delta: -107.8MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. [2023-11-19 04:01:16,357 INFO L158 Benchmark]: Witness Printer took 176.64ms. Allocated memory is still 222.3MB. Free memory was 173.9MB in the beginning and 166.6MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 04:01:16,360 INFO L338 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, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.1s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5303 SdHoareTripleChecker+Valid, 13.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2440 mSDsluCounter, 6183 SdHoareTripleChecker+Invalid, 11.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3803 mSDsCounter, 2389 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7861 IncrementalHoareTripleChecker+Invalid, 10250 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2389 mSolverCounterUnsat, 2380 mSDtfsCounter, 7861 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9930 GetRequests, 9751 SyntacticMatches, 3 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12120 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1053 NumberOfCodeBlocks, 1053 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 1029 ConstructedInterpolants, 0 QuantifiedInterpolants, 1939 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 20 PerfectInterpolantSequences, 296/306 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 - PositiveResult [Line: 653]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning)) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (!((tmp == 0)) || (tmp == methaneLevelCritical)) - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (tmp == 1)) && (1 == systemActive)) - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: (((pumpRunning == \old(pumpRunning)) || !((pumpRunning == 0))) || (0 == systemActive)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 111.1MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 575.37ms. Allocated memory is still 153.1MB. Free memory was 112.9MB in the beginning and 94.1MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.46ms. Allocated memory is still 153.1MB. Free memory was 94.0MB in the beginning and 91.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.49ms. Allocated memory is still 153.1MB. Free memory was 91.9MB in the beginning and 89.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 681.40ms. Allocated memory is still 153.1MB. Free memory was 89.9MB in the beginning and 66.1MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 11437.41ms. Allocated memory was 153.1MB in the beginning and 222.3MB in the end (delta: 69.2MB). Free memory was 66.1MB in the beginning and 173.9MB in the end (delta: -107.8MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. * Witness Printer took 176.64ms. Allocated memory is still 222.3MB. Free memory was 173.9MB in the beginning and 166.6MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] - GenericResultAtLocation [Line: 153]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [153] - GenericResultAtLocation [Line: 519]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [519] - GenericResultAtLocation [Line: 554]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [554] - GenericResultAtLocation [Line: 648]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [648] - GenericResultAtLocation [Line: 657]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [657] - GenericResultAtLocation [Line: 865]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [865] - GenericResultAtLocation [Line: 891]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [891] RESULT: Ultimate proved your program to be correct! [2023-11-19 04:01:16,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bd314ff-6c60-4c50-bd91-debf106cbf58/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE