./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product05.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_fe0046a3-071c-4099-9993-12c8c1d46982/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0046a3-071c-4099-9993-12c8c1d46982/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_fe0046a3-071c-4099-9993-12c8c1d46982/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0046a3-071c-4099-9993-12c8c1d46982/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0046a3-071c-4099-9993-12c8c1d46982/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_fe0046a3-071c-4099-9993-12c8c1d46982/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 b58343dfed6fef80fe78f9243bbae3e5c0d1ca5dda43ba2e6616ff59c3704ff6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:19:42,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:19:42,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:19:42,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:19:42,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:19:42,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:19:42,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:19:42,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:19:42,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:19:42,824 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:19:42,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:19:42,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:19:42,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:19:42,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:19:42,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:19:42,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:19:42,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:19:42,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:19:42,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:19:42,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:19:42,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:19:42,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:19:42,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:19:42,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:19:42,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:19:42,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:19:42,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:19:42,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:19:42,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:19:42,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:19:42,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:19:42,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:19:42,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:19:42,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:19:42,870 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:19:42,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:19:42,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:19:42,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:19:42,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:19:42,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:19:42,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:19:42,880 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0046a3-071c-4099-9993-12c8c1d46982/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:19:42,928 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:19:42,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:19:42,930 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:19:42,930 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:19:42,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:19:42,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:19:42,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:19:42,933 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:19:42,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:19:42,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:19:42,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:19:42,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:19:42,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:19:42,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:19:42,942 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:19:42,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:19:42,942 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:19:42,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:19:42,943 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:19:42,943 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:19:42,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:19:42,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:19:42,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:19:42,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:19:42,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:19:42,945 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:19:42,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:19:42,945 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:19:42,946 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_fe0046a3-071c-4099-9993-12c8c1d46982/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0046a3-071c-4099-9993-12c8c1d46982/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b58343dfed6fef80fe78f9243bbae3e5c0d1ca5dda43ba2e6616ff59c3704ff6 [2021-11-23 01:19:43,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:19:43,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:19:43,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:19:43,303 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:19:43,304 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:19:43,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0046a3-071c-4099-9993-12c8c1d46982/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c [2021-11-23 01:19:43,393 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0046a3-071c-4099-9993-12c8c1d46982/bin/ukojak-LBtLqBUTdQ/data/539f85a04/d10e7d022fba4cbdaa68a2ad338a8dd1/FLAGc02af2c5c [2021-11-23 01:19:43,973 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:19:43,982 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0046a3-071c-4099-9993-12c8c1d46982/sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c [2021-11-23 01:19:43,994 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0046a3-071c-4099-9993-12c8c1d46982/bin/ukojak-LBtLqBUTdQ/data/539f85a04/d10e7d022fba4cbdaa68a2ad338a8dd1/FLAGc02af2c5c [2021-11-23 01:19:44,280 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0046a3-071c-4099-9993-12c8c1d46982/bin/ukojak-LBtLqBUTdQ/data/539f85a04/d10e7d022fba4cbdaa68a2ad338a8dd1 [2021-11-23 01:19:44,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:19:44,284 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:19:44,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:19:44,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:19:44,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:19:44,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:19:44" (1/1) ... [2021-11-23 01:19:44,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fc59571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:44, skipping insertion in model container [2021-11-23 01:19:44,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:19:44" (1/1) ... [2021-11-23 01:19:44,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:19:44,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:19:44,602 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_fe0046a3-071c-4099-9993-12c8c1d46982/sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c[7760,7773] [2021-11-23 01:19:44,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:19:44,708 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:19:44,776 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_fe0046a3-071c-4099-9993-12c8c1d46982/sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c[7760,7773] [2021-11-23 01:19:44,819 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:19:44,844 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:19:44,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:44 WrapperNode [2021-11-23 01:19:44,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:19:44,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:19:44,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:19:44,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:19:44,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:44" (1/1) ... [2021-11-23 01:19:44,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:44" (1/1) ... [2021-11-23 01:19:44,913 INFO L137 Inliner]: procedures = 51, calls = 149, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 209 [2021-11-23 01:19:44,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:19:44,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:19:44,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:19:44,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:19:44,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:44" (1/1) ... [2021-11-23 01:19:44,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:44" (1/1) ... [2021-11-23 01:19:44,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:44" (1/1) ... [2021-11-23 01:19:44,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:44" (1/1) ... [2021-11-23 01:19:44,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:44" (1/1) ... [2021-11-23 01:19:44,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:44" (1/1) ... [2021-11-23 01:19:44,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:44" (1/1) ... [2021-11-23 01:19:44,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:19:44,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:19:44,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:19:44,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:19:44,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:44" (1/1) ... [2021-11-23 01:19:44,986 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:19:45,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0046a3-071c-4099-9993-12c8c1d46982/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:19:45,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0046a3-071c-4099-9993-12c8c1d46982/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:19:45,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0046a3-071c-4099-9993-12c8c1d46982/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:19:45,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:19:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 01:19:45,055 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 01:19:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 01:19:45,055 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 01:19:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 01:19:45,056 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 01:19:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 01:19:45,056 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 01:19:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 01:19:45,056 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 01:19:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:19:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 01:19:45,057 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 01:19:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:19:45,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:19:45,126 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:19:45,128 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:19:45,397 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:19:45,490 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:19:45,490 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:19:45,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:19:45 BoogieIcfgContainer [2021-11-23 01:19:45,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:19:45,494 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:19:45,494 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:19:45,505 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:19:45,505 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:19:45" (1/1) ... [2021-11-23 01:19:45,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:19:45,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:45,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 51 states and 67 transitions. [2021-11-23 01:19:45,589 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2021-11-23 01:19:45,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:19:45,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:45,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:45,783 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 01:19:45,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:45,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2021-11-23 01:19:45,824 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2021-11-23 01:19:45,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:19:45,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:45,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:45,914 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 01:19:45,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:45,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 68 transitions. [2021-11-23 01:19:45,944 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2021-11-23 01:19:45,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:19:45,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:45,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:46,103 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 01:19:46,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:46,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 62 states and 85 transitions. [2021-11-23 01:19:46,343 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2021-11-23 01:19:46,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:19:46,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:46,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:46,448 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 01:19:46,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:46,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 63 states and 86 transitions. [2021-11-23 01:19:46,475 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2021-11-23 01:19:46,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:19:46,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:46,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:46,558 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 01:19:46,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:46,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 87 transitions. [2021-11-23 01:19:46,580 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2021-11-23 01:19:46,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:19:46,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:46,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:46,706 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 01:19:47,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:47,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 80 states and 117 transitions. [2021-11-23 01:19:47,144 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2021-11-23 01:19:47,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:19:47,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:47,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:47,230 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 01:19:47,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:47,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 90 states and 137 transitions. [2021-11-23 01:19:47,699 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 137 transitions. [2021-11-23 01:19:47,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:19:47,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:47,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:47,732 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 01:19:47,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:47,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 91 states and 140 transitions. [2021-11-23 01:19:47,834 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 140 transitions. [2021-11-23 01:19:47,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:19:47,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:47,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:47,872 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 01:19:47,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:47,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 92 states and 141 transitions. [2021-11-23 01:19:47,940 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 141 transitions. [2021-11-23 01:19:47,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:19:47,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:47,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:47,995 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 01:19:48,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:48,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 111 states and 182 transitions. [2021-11-23 01:19:48,853 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 182 transitions. [2021-11-23 01:19:48,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:19:48,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:48,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:48,889 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 01:19:49,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:49,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 112 states and 185 transitions. [2021-11-23 01:19:49,012 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 185 transitions. [2021-11-23 01:19:49,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:19:49,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:49,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:49,043 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 01:19:49,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:49,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 117 states and 194 transitions. [2021-11-23 01:19:49,334 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 194 transitions. [2021-11-23 01:19:49,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:19:49,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:49,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:49,368 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 01:19:49,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:49,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 118 states and 195 transitions. [2021-11-23 01:19:49,384 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 195 transitions. [2021-11-23 01:19:49,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:19:49,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:49,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:49,416 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 01:19:49,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:49,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 123 states and 206 transitions. [2021-11-23 01:19:49,581 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 206 transitions. [2021-11-23 01:19:49,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:19:49,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:49,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:49,621 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 01:19:49,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:49,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 124 states and 207 transitions. [2021-11-23 01:19:49,642 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 207 transitions. [2021-11-23 01:19:49,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:19:49,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:49,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:49,919 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 01:19:50,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:50,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 127 states and 216 transitions. [2021-11-23 01:19:50,717 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 216 transitions. [2021-11-23 01:19:50,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:19:50,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:50,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:50,746 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 01:19:50,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:50,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 130 states and 222 transitions. [2021-11-23 01:19:50,948 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 222 transitions. [2021-11-23 01:19:50,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:19:50,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:50,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:51,035 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 01:19:51,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:51,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 139 states and 244 transitions. [2021-11-23 01:19:51,972 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 244 transitions. [2021-11-23 01:19:51,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:19:51,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:51,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:52,007 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 01:19:53,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:53,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 150 states and 274 transitions. [2021-11-23 01:19:53,354 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 274 transitions. [2021-11-23 01:19:53,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:19:53,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:53,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:53,389 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:19:53,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:53,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 151 states and 272 transitions. [2021-11-23 01:19:53,410 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 272 transitions. [2021-11-23 01:19:53,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:19:53,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:53,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:53,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:53,439 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:19:53,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:53,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 153 states and 278 transitions. [2021-11-23 01:19:53,654 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 278 transitions. [2021-11-23 01:19:53,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:19:53,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:53,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:53,707 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:19:54,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:54,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 160 states and 299 transitions. [2021-11-23 01:19:54,074 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 299 transitions. [2021-11-23 01:19:54,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:19:54,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:54,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:54,295 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:19:55,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:55,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 160 states and 296 transitions. [2021-11-23 01:19:55,133 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 296 transitions. [2021-11-23 01:19:55,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:19:55,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:55,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:55,167 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:19:55,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:55,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 161 states and 297 transitions. [2021-11-23 01:19:55,188 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 297 transitions. [2021-11-23 01:19:55,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:19:55,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:55,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:55,221 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-23 01:19:55,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:55,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 164 states and 302 transitions. [2021-11-23 01:19:55,243 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 302 transitions. [2021-11-23 01:19:55,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:19:55,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:55,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:55,276 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-23 01:19:55,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:55,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 165 states and 303 transitions. [2021-11-23 01:19:55,303 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 303 transitions. [2021-11-23 01:19:55,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 01:19:55,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:55,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:55,333 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-23 01:19:55,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:55,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 56 states and 66 transitions. [2021-11-23 01:19:55,353 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2021-11-23 01:19:55,354 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:19:55,354 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2021-11-23 01:19:55,363 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:19:55,631 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2021-11-23 01:19:55,640 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2021-11-23 01:19:55,641 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:19:55,642 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:19:55,642 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:19:55,642 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:19:55,642 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-23 01:19:55,643 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:19:55,643 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:19:55,643 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:19:55,644 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2021-11-23 01:19:55,644 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:19:55,644 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:19:55,645 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:19:55,645 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:19:55,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:19:55 ImpRootNode [2021-11-23 01:19:55,645 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:19:55,646 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:19:55,646 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:19:55,646 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:19:55,647 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:19:45" (3/4) ... [2021-11-23 01:19:55,650 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:19:55,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-23 01:19:55,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 01:19:55,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-23 01:19:55,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 01:19:55,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 01:19:55,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 01:19:55,662 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 67 nodes and edges [2021-11-23 01:19:55,663 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-11-23 01:19:55,664 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 01:19:55,664 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 01:19:55,665 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 01:19:55,665 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:19:55,666 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:19:55,692 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || (!(methaneLevelCritical == 0) && !(methAndRunningLastTime == 0))) || 0 == systemActive [2021-11-23 01:19:55,694 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || methAndRunningLastTime == 0) || !(pumpRunning == \old(pumpRunning))) || methaneLevelCritical == 0 [2021-11-23 01:19:55,759 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0046a3-071c-4099-9993-12c8c1d46982/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:19:55,763 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:19:55,764 INFO L158 Benchmark]: Toolchain (without parser) took 11479.79ms. Allocated memory was 104.9MB in the beginning and 186.6MB in the end (delta: 81.8MB). Free memory was 71.8MB in the beginning and 83.2MB in the end (delta: -11.4MB). Peak memory consumption was 71.4MB. Max. memory is 16.1GB. [2021-11-23 01:19:55,764 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory was 59.9MB in the beginning and 59.8MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:19:55,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 551.35ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 71.5MB in the beginning and 95.0MB in the end (delta: -23.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:19:55,765 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.95ms. Allocated memory is still 127.9MB. Free memory was 95.0MB in the beginning and 92.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:19:55,766 INFO L158 Benchmark]: Boogie Preprocessor took 41.58ms. Allocated memory is still 127.9MB. Free memory was 92.2MB in the beginning and 90.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:19:55,766 INFO L158 Benchmark]: RCFGBuilder took 536.35ms. Allocated memory is still 127.9MB. Free memory was 90.8MB in the beginning and 72.7MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 01:19:55,766 INFO L158 Benchmark]: CodeCheck took 10151.84ms. Allocated memory was 127.9MB in the beginning and 186.6MB in the end (delta: 58.7MB). Free memory was 72.7MB in the beginning and 89.5MB in the end (delta: -16.7MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2021-11-23 01:19:55,767 INFO L158 Benchmark]: Witness Printer took 117.05ms. Allocated memory is still 186.6MB. Free memory was 89.5MB in the beginning and 83.2MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 01:19:55,769 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 7 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.8s, OverallIterations: 28, 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, 6678 SdHoareTripleChecker+Valid, 14.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3069 mSDsluCounter, 6817 SdHoareTripleChecker+Invalid, 12.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5402 mSDsCounter, 2235 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8550 IncrementalHoareTripleChecker+Invalid, 10785 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2235 mSolverCounterUnsat, 2335 mSDtfsCounter, 8550 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10287 GetRequests, 10079 SyntacticMatches, 0 SemanticMatches, 208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18587 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1072 NumberOfCodeBlocks, 1072 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 1045 ConstructedInterpolants, 0 QuantifiedInterpolants, 1963 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 23 PerfectInterpolantSequences, 325/335 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: 520]: 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: 168]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || methAndRunningLastTime == 0) || !(pumpRunning == \old(pumpRunning))) || methaneLevelCritical == 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || (!(methaneLevelCritical == 0) && !(methAndRunningLastTime == 0))) || 0 == systemActive - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory was 59.9MB in the beginning and 59.8MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 551.35ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 71.5MB in the beginning and 95.0MB in the end (delta: -23.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.95ms. Allocated memory is still 127.9MB. Free memory was 95.0MB in the beginning and 92.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.58ms. Allocated memory is still 127.9MB. Free memory was 92.2MB in the beginning and 90.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 536.35ms. Allocated memory is still 127.9MB. Free memory was 90.8MB in the beginning and 72.7MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10151.84ms. Allocated memory was 127.9MB in the beginning and 186.6MB in the end (delta: 58.7MB). Free memory was 72.7MB in the beginning and 89.5MB in the end (delta: -16.7MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. * Witness Printer took 117.05ms. Allocated memory is still 186.6MB. Free memory was 89.5MB in the beginning and 83.2MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:19:55,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe0046a3-071c-4099-9993-12c8c1d46982/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