./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product06.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_c14eb6df-b8ff-40ed-9328-e054a1a22742/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14eb6df-b8ff-40ed-9328-e054a1a22742/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_c14eb6df-b8ff-40ed-9328-e054a1a22742/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14eb6df-b8ff-40ed-9328-e054a1a22742/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14eb6df-b8ff-40ed-9328-e054a1a22742/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_c14eb6df-b8ff-40ed-9328-e054a1a22742/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 fd1c1c796b8250cbf231dbc704ae45a744144aa0430ce583780a644c1bb59bd9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:44:52,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:44:52,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:44:52,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:44:52,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:44:52,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:44:52,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:44:52,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:44:52,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:44:52,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:44:52,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:44:52,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:44:52,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:44:52,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:44:52,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:44:52,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:44:52,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:44:52,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:44:52,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:44:52,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:44:52,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:44:52,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:44:52,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:44:52,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:44:52,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:44:52,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:44:52,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:44:52,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:44:52,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:44:52,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:44:52,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:44:52,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:44:52,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:44:52,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:44:52,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:44:52,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:44:52,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:44:52,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:44:52,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:44:52,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:44:52,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:44:52,937 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14eb6df-b8ff-40ed-9328-e054a1a22742/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:44:52,960 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:44:52,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:44:52,961 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:44:52,961 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:44:52,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:44:52,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:44:52,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:44:52,963 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:44:52,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:44:52,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:44:52,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:44:52,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:44:52,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:44:52,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:44:52,965 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:44:52,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:44:52,966 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:44:52,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:44:52,966 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:44:52,967 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:44:52,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:44:52,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:44:52,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:44:52,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:44:52,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:44:52,969 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:44:52,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:44:52,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:44:52,970 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_c14eb6df-b8ff-40ed-9328-e054a1a22742/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14eb6df-b8ff-40ed-9328-e054a1a22742/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd1c1c796b8250cbf231dbc704ae45a744144aa0430ce583780a644c1bb59bd9 [2021-11-23 01:44:53,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:44:53,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:44:53,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:44:53,233 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:44:53,234 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:44:53,236 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14eb6df-b8ff-40ed-9328-e054a1a22742/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2021-11-23 01:44:53,312 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14eb6df-b8ff-40ed-9328-e054a1a22742/bin/ukojak-LBtLqBUTdQ/data/0eb4c031c/1caddf2d7d98478ca241660aa7d43c25/FLAGbec1625d7 [2021-11-23 01:44:53,912 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:44:53,913 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14eb6df-b8ff-40ed-9328-e054a1a22742/sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2021-11-23 01:44:53,924 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14eb6df-b8ff-40ed-9328-e054a1a22742/bin/ukojak-LBtLqBUTdQ/data/0eb4c031c/1caddf2d7d98478ca241660aa7d43c25/FLAGbec1625d7 [2021-11-23 01:44:54,222 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14eb6df-b8ff-40ed-9328-e054a1a22742/bin/ukojak-LBtLqBUTdQ/data/0eb4c031c/1caddf2d7d98478ca241660aa7d43c25 [2021-11-23 01:44:54,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:44:54,225 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:44:54,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:44:54,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:44:54,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:44:54,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:54" (1/1) ... [2021-11-23 01:44:54,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bd89d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:54, skipping insertion in model container [2021-11-23 01:44:54,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:54" (1/1) ... [2021-11-23 01:44:54,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:44:54,286 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:44:54,559 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_c14eb6df-b8ff-40ed-9328-e054a1a22742/sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c[16447,16460] [2021-11-23 01:44:54,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:44:54,577 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:44:54,662 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_c14eb6df-b8ff-40ed-9328-e054a1a22742/sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c[16447,16460] [2021-11-23 01:44:54,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:44:54,685 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:44:54,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:54 WrapperNode [2021-11-23 01:44:54,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:44:54,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:44:54,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:44:54,688 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:44:54,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:54" (1/1) ... [2021-11-23 01:44:54,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:54" (1/1) ... [2021-11-23 01:44:54,738 INFO L137 Inliner]: procedures = 52, calls = 150, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 212 [2021-11-23 01:44:54,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:44:54,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:44:54,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:44:54,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:44:54,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:54" (1/1) ... [2021-11-23 01:44:54,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:54" (1/1) ... [2021-11-23 01:44:54,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:54" (1/1) ... [2021-11-23 01:44:54,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:54" (1/1) ... [2021-11-23 01:44:54,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:54" (1/1) ... [2021-11-23 01:44:54,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:54" (1/1) ... [2021-11-23 01:44:54,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:54" (1/1) ... [2021-11-23 01:44:54,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:44:54,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:44:54,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:44:54,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:44:54,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:54" (1/1) ... [2021-11-23 01:44:54,813 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:44:54,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14eb6df-b8ff-40ed-9328-e054a1a22742/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:44:54,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14eb6df-b8ff-40ed-9328-e054a1a22742/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:44:54,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14eb6df-b8ff-40ed-9328-e054a1a22742/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:44:54,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:44:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 01:44:54,896 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 01:44:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-23 01:44:54,897 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-23 01:44:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 01:44:54,898 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 01:44:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 01:44:54,898 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 01:44:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 01:44:54,903 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 01:44:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:44:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 01:44:54,904 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 01:44:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:44:54,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:44:54,982 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:44:54,984 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:44:55,263 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:44:55,377 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:44:55,377 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:44:55,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:55 BoogieIcfgContainer [2021-11-23 01:44:55,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:44:55,380 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:44:55,381 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:44:55,391 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:44:55,392 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:55" (1/1) ... [2021-11-23 01:44:55,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:44:55,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:55,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 51 states and 67 transitions. [2021-11-23 01:44:55,462 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2021-11-23 01:44:55,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:44:55,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:55,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:55,640 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 01:44:55,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:55,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2021-11-23 01:44:55,688 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2021-11-23 01:44:55,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:44:55,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:55,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:55,823 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 01:44:55,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:55,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 68 transitions. [2021-11-23 01:44:55,864 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2021-11-23 01:44:55,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:44:55,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:55,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:56,017 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 01:44:56,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:56,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 62 states and 85 transitions. [2021-11-23 01:44:56,122 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2021-11-23 01:44:56,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:44:56,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:56,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:56,245 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 01:44:56,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:56,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 76 states and 114 transitions. [2021-11-23 01:44:56,730 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 114 transitions. [2021-11-23 01:44:56,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:44:56,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:56,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:56,826 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 01:44:57,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:57,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 91 states and 148 transitions. [2021-11-23 01:44:57,740 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 148 transitions. [2021-11-23 01:44:57,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:44:57,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:57,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:57,783 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 01:44:57,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:57,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 100 states and 167 transitions. [2021-11-23 01:44:57,886 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 167 transitions. [2021-11-23 01:44:57,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:44:57,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:57,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:57,930 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 01:44:58,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:58,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 102 states and 169 transitions. [2021-11-23 01:44:58,006 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 169 transitions. [2021-11-23 01:44:58,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:44:58,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:58,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:58,047 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 01:44:58,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:58,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 104 states and 171 transitions. [2021-11-23 01:44:58,114 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 171 transitions. [2021-11-23 01:44:58,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:44:58,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:58,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:58,150 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 01:44:58,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:58,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 109 states and 180 transitions. [2021-11-23 01:44:58,190 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 180 transitions. [2021-11-23 01:44:58,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:44:58,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:58,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:58,223 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 01:44:58,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:58,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 110 states and 180 transitions. [2021-11-23 01:44:58,241 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 180 transitions. [2021-11-23 01:44:58,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:44:58,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:58,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:58,274 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 01:44:58,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:58,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 111 states and 181 transitions. [2021-11-23 01:44:58,287 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 181 transitions. [2021-11-23 01:44:58,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:44:58,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:58,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:58,315 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 01:44:58,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:58,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 116 states and 191 transitions. [2021-11-23 01:44:58,452 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 191 transitions. [2021-11-23 01:44:58,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:44:58,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:58,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:58,481 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 01:44:58,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:58,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 117 states and 193 transitions. [2021-11-23 01:44:58,603 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 193 transitions. [2021-11-23 01:44:58,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:44:58,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:58,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:58,846 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 01:44:59,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:59,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 120 states and 201 transitions. [2021-11-23 01:44:59,457 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 201 transitions. [2021-11-23 01:44:59,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:44:59,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:59,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:59,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:59,516 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 01:44:59,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:59,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 126 states and 216 transitions. [2021-11-23 01:44:59,907 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 216 transitions. [2021-11-23 01:44:59,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:44:59,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:59,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:59,952 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:00,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:00,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 134 states and 229 transitions. [2021-11-23 01:45:00,616 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 229 transitions. [2021-11-23 01:45:00,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:45:00,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:00,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:00,654 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:00,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:00,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 135 states and 230 transitions. [2021-11-23 01:45:00,765 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 230 transitions. [2021-11-23 01:45:00,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:45:00,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:00,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:00,790 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 01:45:00,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:00,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 137 states and 234 transitions. [2021-11-23 01:45:00,821 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 234 transitions. [2021-11-23 01:45:00,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:45:00,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:00,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:00,845 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 01:45:00,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:00,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 138 states and 235 transitions. [2021-11-23 01:45:00,861 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 235 transitions. [2021-11-23 01:45:00,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:45:00,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:00,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:00,885 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 01:45:01,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:01,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 140 states and 239 transitions. [2021-11-23 01:45:01,074 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 239 transitions. [2021-11-23 01:45:01,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:45:01,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:01,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:01,177 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:45:02,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:02,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 154 states and 266 transitions. [2021-11-23 01:45:02,559 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 266 transitions. [2021-11-23 01:45:02,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:45:02,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:02,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:02,598 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:45:03,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:03,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 161 states and 283 transitions. [2021-11-23 01:45:03,593 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 283 transitions. [2021-11-23 01:45:03,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:45:03,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:03,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:03,694 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:45:04,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:04,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 169 states and 296 transitions. [2021-11-23 01:45:04,472 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 296 transitions. [2021-11-23 01:45:04,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:45:04,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:04,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:04,509 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:45:04,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:04,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 170 states and 297 transitions. [2021-11-23 01:45:04,540 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 297 transitions. [2021-11-23 01:45:04,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:45:04,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:04,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:04,572 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 01:45:04,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:04,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 173 states and 302 transitions. [2021-11-23 01:45:04,591 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 302 transitions. [2021-11-23 01:45:04,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:45:04,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:04,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:04,619 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 01:45:04,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:04,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 174 states and 303 transitions. [2021-11-23 01:45:04,644 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 303 transitions. [2021-11-23 01:45:04,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 01:45:04,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:04,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:04,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:04,673 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 01:45:04,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:04,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 57 states and 68 transitions. [2021-11-23 01:45:04,691 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2021-11-23 01:45:04,691 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:45:04,691 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2021-11-23 01:45:04,700 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 01:45:04,901 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2021-11-23 01:45:04,908 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:45:04,908 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:45:04,908 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2021-11-23 01:45:04,909 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:45:04,909 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:45:04,909 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:45:04,909 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:45:04,909 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:45:04,909 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:45:04,910 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:45:04,910 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:45:04,910 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:45:04,910 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:45:04,910 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-23 01:45:04,911 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 01:45:04,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:45:04 ImpRootNode [2021-11-23 01:45:04,911 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:45:04,912 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:45:04,912 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:45:04,912 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:45:04,912 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:55" (3/4) ... [2021-11-23 01:45:04,916 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:45:04,921 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-23 01:45:04,921 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 01:45:04,921 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-23 01:45:04,921 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 01:45:04,922 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 01:45:04,922 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 01:45:04,930 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2021-11-23 01:45:04,931 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2021-11-23 01:45:04,931 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 01:45:04,932 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 01:45:04,933 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 01:45:04,933 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:45:04,934 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:45:04,960 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive [2021-11-23 01:45:05,006 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14eb6df-b8ff-40ed-9328-e054a1a22742/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:45:05,006 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:45:05,007 INFO L158 Benchmark]: Toolchain (without parser) took 10781.41ms. Allocated memory was 94.4MB in the beginning and 146.8MB in the end (delta: 52.4MB). Free memory was 58.7MB in the beginning and 64.2MB in the end (delta: -5.5MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2021-11-23 01:45:05,007 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 94.4MB. Free memory was 67.2MB in the beginning and 67.2MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:45:05,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.36ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 58.4MB in the beginning and 86.7MB in the end (delta: -28.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:45:05,009 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.40ms. Allocated memory is still 119.5MB. Free memory was 86.7MB in the beginning and 83.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:45:05,009 INFO L158 Benchmark]: Boogie Preprocessor took 56.37ms. Allocated memory is still 119.5MB. Free memory was 83.9MB in the beginning and 82.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:45:05,009 INFO L158 Benchmark]: RCFGBuilder took 581.13ms. Allocated memory is still 119.5MB. Free memory was 82.5MB in the beginning and 63.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 01:45:05,010 INFO L158 Benchmark]: CodeCheck took 9531.01ms. Allocated memory was 119.5MB in the beginning and 146.8MB in the end (delta: 27.3MB). Free memory was 63.6MB in the beginning and 69.4MB in the end (delta: -5.8MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2021-11-23 01:45:05,010 INFO L158 Benchmark]: Witness Printer took 94.59ms. Allocated memory is still 146.8MB. Free memory was 69.4MB in the beginning and 64.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:45:05,013 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: 9.3s, 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, 6407 SdHoareTripleChecker+Valid, 14.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2987 mSDsluCounter, 7336 SdHoareTripleChecker+Invalid, 12.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5476 mSDsCounter, 3293 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9141 IncrementalHoareTripleChecker+Invalid, 12434 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3293 mSolverCounterUnsat, 2286 mSDtfsCounter, 9141 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10346 GetRequests, 10146 SyntacticMatches, 4 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15696 ImplicationChecksByTransitivity, 6.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1068 NumberOfCodeBlocks, 1068 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 1041 ConstructedInterpolants, 0 QuantifiedInterpolants, 1978 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 22 PerfectInterpolantSequences, 321/344 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: 800]: 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: 171]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == systemActive - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 94.4MB. Free memory was 67.2MB in the beginning and 67.2MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 459.36ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 58.4MB in the beginning and 86.7MB in the end (delta: -28.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.40ms. Allocated memory is still 119.5MB. Free memory was 86.7MB in the beginning and 83.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.37ms. Allocated memory is still 119.5MB. Free memory was 83.9MB in the beginning and 82.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 581.13ms. Allocated memory is still 119.5MB. Free memory was 82.5MB in the beginning and 63.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 9531.01ms. Allocated memory was 119.5MB in the beginning and 146.8MB in the end (delta: 27.3MB). Free memory was 63.6MB in the beginning and 69.4MB in the end (delta: -5.8MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * Witness Printer took 94.59ms. Allocated memory is still 146.8MB. Free memory was 69.4MB in the beginning and 64.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:45:05,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c14eb6df-b8ff-40ed-9328-e054a1a22742/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