./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6814aaf-cd27-4e57-9766-04108b2f52a6/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6814aaf-cd27-4e57-9766-04108b2f52a6/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6814aaf-cd27-4e57-9766-04108b2f52a6/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6814aaf-cd27-4e57-9766-04108b2f52a6/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6814aaf-cd27-4e57-9766-04108b2f52a6/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6814aaf-cd27-4e57-9766-04108b2f52a6/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e76649cac6515f08270152166e80012375eb96b6ec0655501fc67165d9b0051 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:33:54,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:33:54,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:33:54,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:33:54,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:33:54,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:33:54,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:33:54,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:33:54,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:33:54,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:33:54,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:33:54,856 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:33:54,857 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:33:54,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:33:54,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:33:54,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:33:54,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:33:54,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:33:54,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:33:54,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:33:54,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:33:54,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:33:54,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:33:54,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:33:54,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:33:54,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:33:54,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:33:54,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:33:54,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:33:54,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:33:54,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:33:54,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:33:54,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:33:54,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:33:54,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:33:54,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:33:54,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:33:54,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:33:54,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:33:54,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:33:54,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:33:54,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6814aaf-cd27-4e57-9766-04108b2f52a6/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:33:54,963 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:33:54,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:33:54,965 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:33:54,965 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:33:54,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:33:54,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:33:54,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:33:54,967 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:33:54,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:33:54,967 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:33:54,968 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:33:54,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:33:54,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:33:54,969 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:33:54,969 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:33:54,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:33:54,969 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:33:54,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:33:54,970 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:33:54,970 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:33:54,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:33:54,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:33:54,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:33:54,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:33:54,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:33:54,971 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:33:54,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:33:54,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:33:54,972 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6814aaf-cd27-4e57-9766-04108b2f52a6/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6814aaf-cd27-4e57-9766-04108b2f52a6/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e76649cac6515f08270152166e80012375eb96b6ec0655501fc67165d9b0051 [2021-11-23 00:33:55,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:33:55,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:33:55,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:33:55,263 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:33:55,264 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:33:55,266 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6814aaf-cd27-4e57-9766-04108b2f52a6/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c [2021-11-23 00:33:55,343 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6814aaf-cd27-4e57-9766-04108b2f52a6/bin/ukojak-LBtLqBUTdQ/data/fb8ba6bf8/22777133b81644c5b1c589e988f36b70/FLAGeb27cfee9 [2021-11-23 00:33:55,876 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:33:55,876 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6814aaf-cd27-4e57-9766-04108b2f52a6/sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c [2021-11-23 00:33:55,890 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6814aaf-cd27-4e57-9766-04108b2f52a6/bin/ukojak-LBtLqBUTdQ/data/fb8ba6bf8/22777133b81644c5b1c589e988f36b70/FLAGeb27cfee9 [2021-11-23 00:33:56,218 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6814aaf-cd27-4e57-9766-04108b2f52a6/bin/ukojak-LBtLqBUTdQ/data/fb8ba6bf8/22777133b81644c5b1c589e988f36b70 [2021-11-23 00:33:56,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:33:56,222 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:33:56,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:33:56,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:33:56,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:33:56,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:33:56" (1/1) ... [2021-11-23 00:33:56,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6712066f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:56, skipping insertion in model container [2021-11-23 00:33:56,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:33:56" (1/1) ... [2021-11-23 00:33:56,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:33:56,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:33:56,607 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6814aaf-cd27-4e57-9766-04108b2f52a6/sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c[17902,17915] [2021-11-23 00:33:56,621 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:33:56,632 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:33:56,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6814aaf-cd27-4e57-9766-04108b2f52a6/sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c[17902,17915] [2021-11-23 00:33:56,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:33:56,792 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:33:56,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:56 WrapperNode [2021-11-23 00:33:56,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:33:56,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:33:56,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:33:56,796 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:33:56,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:56" (1/1) ... [2021-11-23 00:33:56,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:56" (1/1) ... [2021-11-23 00:33:56,874 INFO L137 Inliner]: procedures = 53, calls = 153, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 231 [2021-11-23 00:33:56,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:33:56,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:33:56,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:33:56,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:33:56,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:56" (1/1) ... [2021-11-23 00:33:56,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:56" (1/1) ... [2021-11-23 00:33:56,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:56" (1/1) ... [2021-11-23 00:33:56,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:56" (1/1) ... [2021-11-23 00:33:56,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:56" (1/1) ... [2021-11-23 00:33:56,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:56" (1/1) ... [2021-11-23 00:33:56,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:56" (1/1) ... [2021-11-23 00:33:56,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:33:56,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:33:56,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:33:56,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:33:56,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:56" (1/1) ... [2021-11-23 00:33:56,930 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:33:56,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6814aaf-cd27-4e57-9766-04108b2f52a6/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:33:56,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6814aaf-cd27-4e57-9766-04108b2f52a6/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:33:56,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6814aaf-cd27-4e57-9766-04108b2f52a6/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:33:57,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:33:57,017 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 00:33:57,017 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 00:33:57,018 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 00:33:57,018 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 00:33:57,018 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 00:33:57,019 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 00:33:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 00:33:57,019 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 00:33:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 00:33:57,019 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 00:33:57,020 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2021-11-23 00:33:57,020 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2021-11-23 00:33:57,020 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-23 00:33:57,020 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-23 00:33:57,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:33:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 00:33:57,021 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 00:33:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:33:57,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:33:57,121 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:33:57,123 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:33:57,475 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:33:57,569 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:33:57,569 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:33:57,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:33:57 BoogieIcfgContainer [2021-11-23 00:33:57,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:33:57,574 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:33:57,574 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:33:57,583 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:33:57,583 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:33:57" (1/1) ... [2021-11-23 00:33:57,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:33:57,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:57,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2021-11-23 00:33:57,654 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2021-11-23 00:33:57,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:33:57,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:57,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:57,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:57,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:57,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2021-11-23 00:33:57,871 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2021-11-23 00:33:57,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:33:57,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:57,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:57,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:57,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:57,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 63 states and 81 transitions. [2021-11-23 00:33:57,969 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions. [2021-11-23 00:33:57,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:33:57,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:57,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:58,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:58,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:58,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 72 states and 99 transitions. [2021-11-23 00:33:58,214 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2021-11-23 00:33:58,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:33:58,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:58,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:58,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:58,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:58,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 100 transitions. [2021-11-23 00:33:58,310 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2021-11-23 00:33:58,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:33:58,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:58,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:58,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:58,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:58,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 74 states and 101 transitions. [2021-11-23 00:33:58,421 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 101 transitions. [2021-11-23 00:33:58,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:33:58,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:58,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:58,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:58,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:58,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 90 states and 132 transitions. [2021-11-23 00:33:58,826 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 132 transitions. [2021-11-23 00:33:58,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:33:58,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:58,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:58,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:33:59,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:59,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 100 states and 153 transitions. [2021-11-23 00:33:59,229 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 153 transitions. [2021-11-23 00:33:59,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:33:59,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:59,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:59,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:59,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:59,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 101 states and 154 transitions. [2021-11-23 00:33:59,348 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 154 transitions. [2021-11-23 00:33:59,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:33:59,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:59,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:59,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:00,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:00,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 115 states and 184 transitions. [2021-11-23 00:34:00,147 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 184 transitions. [2021-11-23 00:34:00,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:34:00,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:00,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:00,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:00,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:00,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 117 states and 189 transitions. [2021-11-23 00:34:00,433 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 189 transitions. [2021-11-23 00:34:00,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:34:00,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:00,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:00,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:00,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:00,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 115 states and 183 transitions. [2021-11-23 00:34:00,483 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 183 transitions. [2021-11-23 00:34:00,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:34:00,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:00,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:00,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:00,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:34:00,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:00,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 116 states and 184 transitions. [2021-11-23 00:34:00,528 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 184 transitions. [2021-11-23 00:34:00,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:34:00,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:00,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:00,560 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:34:00,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:00,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 121 states and 193 transitions. [2021-11-23 00:34:00,650 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 193 transitions. [2021-11-23 00:34:00,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:34:00,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:00,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:00,723 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:34:00,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:00,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 122 states and 194 transitions. [2021-11-23 00:34:00,752 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 194 transitions. [2021-11-23 00:34:00,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:34:00,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:00,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:01,116 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:34:02,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:02,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 130 states and 216 transitions. [2021-11-23 00:34:02,096 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 216 transitions. [2021-11-23 00:34:02,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:34:02,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:02,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:02,153 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:34:02,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:02,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 133 states and 222 transitions. [2021-11-23 00:34:02,355 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 222 transitions. [2021-11-23 00:34:02,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:34:02,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:02,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:02,430 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:34:03,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:03,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 148 states and 256 transitions. [2021-11-23 00:34:03,557 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 256 transitions. [2021-11-23 00:34:03,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 00:34:03,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:03,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:03,611 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:34:04,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:04,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 157 states and 281 transitions. [2021-11-23 00:34:04,801 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 281 transitions. [2021-11-23 00:34:04,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:34:04,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:04,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:04,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:04,874 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 00:34:04,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:04,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 158 states and 282 transitions. [2021-11-23 00:34:04,898 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 282 transitions. [2021-11-23 00:34:04,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:34:04,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:04,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:04,940 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:34:05,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:05,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 165 states and 298 transitions. [2021-11-23 00:34:05,787 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 298 transitions. [2021-11-23 00:34:05,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 00:34:05,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:05,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:05,818 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 00:34:05,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:05,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 168 states and 303 transitions. [2021-11-23 00:34:05,838 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 303 transitions. [2021-11-23 00:34:05,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 00:34:05,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:05,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:05,869 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-23 00:34:05,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:05,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 169 states and 304 transitions. [2021-11-23 00:34:05,895 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 304 transitions. [2021-11-23 00:34:05,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 00:34:05,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:05,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:05,925 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 00:34:05,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:05,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 72 states and 88 transitions. [2021-11-23 00:34:05,944 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 88 transitions. [2021-11-23 00:34:05,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:34:05,945 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 24 iterations. [2021-11-23 00:34:05,953 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:34:06,165 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:34:06,169 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2021-11-23 00:34:06,175 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:34:06,175 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2021-11-23 00:34:06,178 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:34:06,178 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:34:06,178 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:34:06,178 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:34:06,179 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:34:06,179 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:34:06,179 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:34:06,179 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:34:06,179 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:34:06,179 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-23 00:34:06,180 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:34:06,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:34:06 ImpRootNode [2021-11-23 00:34:06,181 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:34:06,182 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:34:06,182 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:34:06,182 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:34:06,183 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:33:57" (3/4) ... [2021-11-23 00:34:06,186 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:34:06,192 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-23 00:34:06,192 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-23 00:34:06,192 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 00:34:06,192 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 00:34:06,193 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 00:34:06,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-23 00:34:06,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 00:34:06,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2021-11-23 00:34:06,214 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 73 nodes and edges [2021-11-23 00:34:06,215 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-11-23 00:34:06,217 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-23 00:34:06,218 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 00:34:06,219 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 00:34:06,220 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:34:06,220 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:34:06,261 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || !(1 == systemActive) [2021-11-23 00:34:06,265 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2021-11-23 00:34:06,335 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6814aaf-cd27-4e57-9766-04108b2f52a6/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:34:06,335 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:34:06,336 INFO L158 Benchmark]: Toolchain (without parser) took 10113.37ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 82.1MB in the beginning and 125.2MB in the end (delta: -43.1MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2021-11-23 00:34:06,337 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory was 66.5MB in the beginning and 66.4MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:34:06,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 569.14ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 81.9MB in the beginning and 102.6MB in the end (delta: -20.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:34:06,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.89ms. Allocated memory is still 136.3MB. Free memory was 102.6MB in the beginning and 100.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:34:06,339 INFO L158 Benchmark]: Boogie Preprocessor took 29.42ms. Allocated memory is still 136.3MB. Free memory was 100.2MB in the beginning and 98.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:34:06,339 INFO L158 Benchmark]: RCFGBuilder took 667.05ms. Allocated memory is still 136.3MB. Free memory was 98.4MB in the beginning and 78.5MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 00:34:06,339 INFO L158 Benchmark]: CodeCheck took 8607.53ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 78.5MB in the beginning and 131.5MB in the end (delta: -53.0MB). Peak memory consumption was 70.2MB. Max. memory is 16.1GB. [2021-11-23 00:34:06,340 INFO L158 Benchmark]: Witness Printer took 153.67ms. Allocated memory is still 163.6MB. Free memory was 131.5MB in the beginning and 125.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:34:06,343 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.3s, OverallIterations: 24, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5733 SdHoareTripleChecker+Valid, 11.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2327 mSDsluCounter, 5447 SdHoareTripleChecker+Invalid, 9.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3744 mSDsCounter, 1761 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6922 IncrementalHoareTripleChecker+Invalid, 8683 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1761 mSolverCounterUnsat, 2221 mSDtfsCounter, 6922 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9443 GetRequests, 9266 SyntacticMatches, 9 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10655 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 977 NumberOfCodeBlocks, 977 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 954 ConstructedInterpolants, 0 QuantifiedInterpolants, 1807 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 19 PerfectInterpolantSequences, 274/284 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: 926]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || !(1 == systemActive) - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory was 66.5MB in the beginning and 66.4MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 569.14ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 81.9MB in the beginning and 102.6MB in the end (delta: -20.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.89ms. Allocated memory is still 136.3MB. Free memory was 102.6MB in the beginning and 100.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.42ms. Allocated memory is still 136.3MB. Free memory was 100.2MB in the beginning and 98.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 667.05ms. Allocated memory is still 136.3MB. Free memory was 98.4MB in the beginning and 78.5MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 8607.53ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 78.5MB in the beginning and 131.5MB in the end (delta: -53.0MB). Peak memory consumption was 70.2MB. Max. memory is 16.1GB. * Witness Printer took 153.67ms. Allocated memory is still 163.6MB. Free memory was 131.5MB in the beginning and 125.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 00:34:06,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6814aaf-cd27-4e57-9766-04108b2f52a6/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE