./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f93728-a7ca-4452-94c1-e7bc7597eb80/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f93728-a7ca-4452-94c1-e7bc7597eb80/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f93728-a7ca-4452-94c1-e7bc7597eb80/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f93728-a7ca-4452-94c1-e7bc7597eb80/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f93728-a7ca-4452-94c1-e7bc7597eb80/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f93728-a7ca-4452-94c1-e7bc7597eb80/bin/ukojak-verify-afCqCEvfdi --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 1b7b562c6a835e9c81bbd978940c7270ae455ff1120bac33da414b2ebf27928d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:19:47,305 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:19:47,443 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f93728-a7ca-4452-94c1-e7bc7597eb80/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:19:47,451 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:19:47,452 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:19:47,490 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:19:47,492 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:19:47,493 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:19:47,495 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:19:47,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:19:47,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:19:47,501 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:19:47,502 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:19:47,504 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:19:47,504 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:19:47,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:19:47,505 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:19:47,506 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:19:47,506 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:19:47,507 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:19:47,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:19:47,508 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:19:47,509 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:19:47,510 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:19:47,510 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:19:47,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:19:47,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:47,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:19:47,512 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:19:47,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:19:47,514 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:19:47,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:19:47,515 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:19:47,515 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_78f93728-a7ca-4452-94c1-e7bc7597eb80/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f93728-a7ca-4452-94c1-e7bc7597eb80/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b7b562c6a835e9c81bbd978940c7270ae455ff1120bac33da414b2ebf27928d [2023-11-24 22:19:47,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:19:47,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:19:47,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:19:47,894 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:19:47,895 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:19:47,896 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f93728-a7ca-4452-94c1-e7bc7597eb80/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2023-11-24 22:19:51,044 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:19:51,359 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:19:51,360 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f93728-a7ca-4452-94c1-e7bc7597eb80/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c [2023-11-24 22:19:51,374 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f93728-a7ca-4452-94c1-e7bc7597eb80/bin/ukojak-verify-afCqCEvfdi/data/233435c1b/2a27c8eeda2f4c1489558380a4cb9fe6/FLAG9c984f4c9 [2023-11-24 22:19:51,391 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f93728-a7ca-4452-94c1-e7bc7597eb80/bin/ukojak-verify-afCqCEvfdi/data/233435c1b/2a27c8eeda2f4c1489558380a4cb9fe6 [2023-11-24 22:19:51,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:19:51,396 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:19:51,398 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:51,398 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:19:51,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:19:51,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e55533f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51, skipping insertion in model container [2023-11-24 22:19:51,406 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,453 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:19:51,688 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_78f93728-a7ca-4452-94c1-e7bc7597eb80/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c[12494,12507] [2023-11-24 22:19:51,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:51,736 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:19:51,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-11-24 22:19:51,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [135] [2023-11-24 22:19:51,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [501] [2023-11-24 22:19:51,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [510] [2023-11-24 22:19:51,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [537] [2023-11-24 22:19:51,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [639] [2023-11-24 22:19:51,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [791] [2023-11-24 22:19:51,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [856] [2023-11-24 22:19:51,857 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_78f93728-a7ca-4452-94c1-e7bc7597eb80/sv-benchmarks/c/product-lines/minepump_spec4_product13.cil.c[12494,12507] [2023-11-24 22:19:51,880 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:51,909 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:19:51,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51 WrapperNode [2023-11-24 22:19:51,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:51,912 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:51,912 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:19:51,912 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:19:51,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,943 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,970 INFO L138 Inliner]: procedures = 51, calls = 94, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 160 [2023-11-24 22:19:51,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:51,971 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:19:51,972 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:19:51,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:19:51,982 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,985 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,991 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,996 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,998 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,999 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:52,002 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:19:52,007 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:19:52,008 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:19:52,008 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:19:52,009 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:52,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:52,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f93728-a7ca-4452-94c1-e7bc7597eb80/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:19:52,065 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f93728-a7ca-4452-94c1-e7bc7597eb80/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:19:52,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f93728-a7ca-4452-94c1-e7bc7597eb80/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:19:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:19:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-24 22:19:52,108 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-24 22:19:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-24 22:19:52,109 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-24 22:19:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-24 22:19:52,109 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-24 22:19:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-24 22:19:52,110 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-24 22:19:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-24 22:19:52,112 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-24 22:19:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:19:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-24 22:19:52,113 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-24 22:19:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:19:52,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:19:52,194 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:19:52,196 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:19:52,539 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:19:52,738 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:19:52,738 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:19:52,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:52 BoogieIcfgContainer [2023-11-24 22:19:52,741 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:19:52,742 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:19:52,742 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:19:52,754 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:19:52,755 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:52" (1/1) ... [2023-11-24 22:19:52,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:19:52,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:52,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 48 states and 62 transitions. [2023-11-24 22:19:52,856 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2023-11-24 22:19:52,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:19:52,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:52,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:53,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:53,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:53,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 48 states and 60 transitions. [2023-11-24 22:19:53,173 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2023-11-24 22:19:53,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:19:53,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:53,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:53,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:53,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:53,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 63 transitions. [2023-11-24 22:19:53,391 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2023-11-24 22:19:53,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:19:53,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:53,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:53,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:53,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:53,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 59 states and 81 transitions. [2023-11-24 22:19:53,617 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2023-11-24 22:19:53,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:19:53,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:53,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:53,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:53,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:53,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 60 states and 82 transitions. [2023-11-24 22:19:53,706 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions. [2023-11-24 22:19:53,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:19:53,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:53,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:53,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:53,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:53,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 61 states and 83 transitions. [2023-11-24 22:19:53,843 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 83 transitions. [2023-11-24 22:19:53,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:19:53,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:53,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:54,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:54,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:54,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 75 states and 115 transitions. [2023-11-24 22:19:54,565 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 115 transitions. [2023-11-24 22:19:54,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:19:54,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:54,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:54,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:55,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:55,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 87 states and 139 transitions. [2023-11-24 22:19:55,399 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 139 transitions. [2023-11-24 22:19:55,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:19:55,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:55,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:55,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:55,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:55,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 89 states and 141 transitions. [2023-11-24 22:19:55,669 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 141 transitions. [2023-11-24 22:19:55,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:19:55,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:55,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:55,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:55,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:55,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 90 states and 142 transitions. [2023-11-24 22:19:55,746 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 142 transitions. [2023-11-24 22:19:55,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:19:55,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:55,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:55,789 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:19:55,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:55,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 95 states and 151 transitions. [2023-11-24 22:19:55,905 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 151 transitions. [2023-11-24 22:19:55,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:19:55,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:55,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:55,983 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:19:56,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:56,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 96 states and 154 transitions. [2023-11-24 22:19:56,148 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 154 transitions. [2023-11-24 22:19:56,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:19:56,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:56,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:56,226 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:19:56,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:56,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 97 states and 157 transitions. [2023-11-24 22:19:56,272 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 157 transitions. [2023-11-24 22:19:56,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:19:56,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:56,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:56,316 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:19:56,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:56,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 101 states and 162 transitions. [2023-11-24 22:19:56,534 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 162 transitions. [2023-11-24 22:19:56,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 22:19:56,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:56,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:56,710 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:19:57,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:57,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 111 states and 189 transitions. [2023-11-24 22:19:57,678 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 189 transitions. [2023-11-24 22:19:57,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:19:57,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:57,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:57,750 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:19:57,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:57,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 111 states and 186 transitions. [2023-11-24 22:19:57,942 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 186 transitions. [2023-11-24 22:19:57,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:19:57,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:57,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:58,538 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:20:00,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:00,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 124 states and 217 transitions. [2023-11-24 22:20:00,500 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 217 transitions. [2023-11-24 22:20:00,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:20:00,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:00,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:00,839 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:20:02,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:02,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 131 states and 232 transitions. [2023-11-24 22:20:02,296 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 232 transitions. [2023-11-24 22:20:02,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:20:02,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:02,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:02,569 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:20:02,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:02,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 132 states and 233 transitions. [2023-11-24 22:20:02,636 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 233 transitions. [2023-11-24 22:20:02,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 22:20:02,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:02,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:02,696 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-24 22:20:02,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:02,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 133 states and 233 transitions. [2023-11-24 22:20:02,728 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 233 transitions. [2023-11-24 22:20:02,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:20:02,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:02,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:02,821 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-24 22:20:03,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:03,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 50 states and 69 transitions. [2023-11-24 22:20:03,732 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 69 transitions. [2023-11-24 22:20:03,733 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:20:03,734 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2023-11-24 22:20:03,743 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 22:20:04,058 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2023-11-24 22:20:04,065 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:20:04,065 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:20:04,065 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:20:04,065 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:20:04,066 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:20:04,066 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:20:04,066 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:20:04,066 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:20:04,066 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:20:04,066 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:20:04,067 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:20:04,067 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:20:04,067 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:20:04,067 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:20:04,067 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2023-11-24 22:20:04,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:20:04 ImpRootNode [2023-11-24 22:20:04,072 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:20:04,073 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:20:04,073 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:20:04,073 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:20:04,074 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:52" (3/4) ... [2023-11-24 22:20:04,077 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:20:04,080 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-24 22:20:04,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-24 22:20:04,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-24 22:20:04,081 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-24 22:20:04,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2023-11-24 22:20:04,082 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2023-11-24 22:20:04,093 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2023-11-24 22:20:04,094 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-24 22:20:04,094 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-24 22:20:04,095 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:20:04,095 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:20:04,131 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == \old(pumpRunning)) && (waterLevel == systemActive)) || !((pumpRunning == 0))) || !((1 == systemActive))) || ((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel))) [2023-11-24 22:20:04,193 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == \old(pumpRunning)) && (waterLevel == systemActive)) || !((pumpRunning == 0))) || !((1 == systemActive))) || ((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel))) [2023-11-24 22:20:04,254 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f93728-a7ca-4452-94c1-e7bc7597eb80/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:20:04,258 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f93728-a7ca-4452-94c1-e7bc7597eb80/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:20:04,258 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:20:04,260 INFO L158 Benchmark]: Toolchain (without parser) took 12863.06ms. Allocated memory was 155.2MB in the beginning and 239.1MB in the end (delta: 83.9MB). Free memory was 109.4MB in the beginning and 162.2MB in the end (delta: -52.8MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2023-11-24 22:20:04,260 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:20:04,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 513.32ms. Allocated memory is still 155.2MB. Free memory was 109.1MB in the beginning and 90.5MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:20:04,261 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.01ms. Allocated memory is still 155.2MB. Free memory was 90.2MB in the beginning and 88.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:20:04,261 INFO L158 Benchmark]: Boogie Preprocessor took 31.05ms. Allocated memory is still 155.2MB. Free memory was 88.3MB in the beginning and 86.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:20:04,262 INFO L158 Benchmark]: RCFGBuilder took 733.85ms. Allocated memory is still 155.2MB. Free memory was 86.9MB in the beginning and 111.9MB in the end (delta: -25.0MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2023-11-24 22:20:04,262 INFO L158 Benchmark]: CodeCheck took 11330.20ms. Allocated memory was 155.2MB in the beginning and 239.1MB in the end (delta: 83.9MB). Free memory was 111.9MB in the beginning and 168.4MB in the end (delta: -56.6MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2023-11-24 22:20:04,262 INFO L158 Benchmark]: Witness Printer took 185.59ms. Allocated memory is still 239.1MB. Free memory was 168.4MB in the beginning and 162.2MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 22:20:04,264 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 7 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.9s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3274 SdHoareTripleChecker+Valid, 8.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1617 mSDsluCounter, 3322 SdHoareTripleChecker+Invalid, 6.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2078 mSDsCounter, 1026 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4172 IncrementalHoareTripleChecker+Invalid, 5198 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1026 mSolverCounterUnsat, 1244 mSDtfsCounter, 4172 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6138 GetRequests, 5942 SyntacticMatches, 36 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10909 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 649 NumberOfCodeBlocks, 649 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 629 ConstructedInterpolants, 0 QuantifiedInterpolants, 1596 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 17 PerfectInterpolantSequences, 169/181 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: 506]: 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: 626]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (waterLevel == systemActive)) - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 645]: Loop Invariant Derived loop invariant: (((((pumpRunning == \old(pumpRunning)) && (waterLevel == systemActive)) || !((pumpRunning == 0))) || !((1 == systemActive))) || ((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 513.32ms. Allocated memory is still 155.2MB. Free memory was 109.1MB in the beginning and 90.5MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.01ms. Allocated memory is still 155.2MB. Free memory was 90.2MB in the beginning and 88.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.05ms. Allocated memory is still 155.2MB. Free memory was 88.3MB in the beginning and 86.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 733.85ms. Allocated memory is still 155.2MB. Free memory was 86.9MB in the beginning and 111.9MB in the end (delta: -25.0MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * CodeCheck took 11330.20ms. Allocated memory was 155.2MB in the beginning and 239.1MB in the end (delta: 83.9MB). Free memory was 111.9MB in the beginning and 168.4MB in the end (delta: -56.6MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * Witness Printer took 185.59ms. Allocated memory is still 239.1MB. Free memory was 168.4MB in the beginning and 162.2MB in the end (delta: 6.2MB). 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [135] - GenericResultAtLocation [Line: 501]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [501] - GenericResultAtLocation [Line: 510]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [510] - GenericResultAtLocation [Line: 537]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [537] - GenericResultAtLocation [Line: 639]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [639] - GenericResultAtLocation [Line: 791]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [791] - GenericResultAtLocation [Line: 856]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [856] RESULT: Ultimate proved your program to be correct! [2023-11-24 22:20:04,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78f93728-a7ca-4452-94c1-e7bc7597eb80/bin/ukojak-verify-afCqCEvfdi/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