./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product14.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_4081c10a-7cd1-4050-b472-fcbf80ee5119/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4081c10a-7cd1-4050-b472-fcbf80ee5119/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_4081c10a-7cd1-4050-b472-fcbf80ee5119/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4081c10a-7cd1-4050-b472-fcbf80ee5119/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4081c10a-7cd1-4050-b472-fcbf80ee5119/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_4081c10a-7cd1-4050-b472-fcbf80ee5119/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 dc29098f4fd0de7b34ca1f86e5228e41fa7841081f2e41f7454108ef1ad7724c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:31:13,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:31:13,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:31:13,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:31:13,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:31:13,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:31:13,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:31:13,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:31:13,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:31:13,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:31:13,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:31:13,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:31:13,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:31:13,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:31:13,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:31:13,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:31:13,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:31:13,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:31:13,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:31:13,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:31:13,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:31:13,979 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:31:13,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:31:13,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:31:13,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:31:13,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:31:13,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:31:13,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:31:13,988 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:31:13,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:31:13,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:31:13,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:31:13,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:31:13,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:31:13,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:31:13,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:31:13,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:31:13,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:31:13,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:31:13,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:31:13,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:31:13,998 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4081c10a-7cd1-4050-b472-fcbf80ee5119/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:31:14,022 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:31:14,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:31:14,023 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:31:14,023 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:31:14,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:31:14,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:31:14,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:31:14,024 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:31:14,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:31:14,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:31:14,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:31:14,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:31:14,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:31:14,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:31:14,026 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:31:14,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:31:14,026 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:31:14,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:31:14,026 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:31:14,026 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:31:14,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:31:14,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:31:14,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:31:14,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:31:14,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:31:14,028 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:31:14,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:31:14,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:31:14,028 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_4081c10a-7cd1-4050-b472-fcbf80ee5119/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4081c10a-7cd1-4050-b472-fcbf80ee5119/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc29098f4fd0de7b34ca1f86e5228e41fa7841081f2e41f7454108ef1ad7724c [2021-11-23 00:31:14,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:31:14,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:31:14,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:31:14,319 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:31:14,324 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:31:14,327 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4081c10a-7cd1-4050-b472-fcbf80ee5119/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2021-11-23 00:31:14,412 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4081c10a-7cd1-4050-b472-fcbf80ee5119/bin/ukojak-LBtLqBUTdQ/data/b5c855978/083dce5cf8d747f097f426b02791bcff/FLAG852071e3f [2021-11-23 00:31:15,009 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:31:15,009 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4081c10a-7cd1-4050-b472-fcbf80ee5119/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2021-11-23 00:31:15,031 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4081c10a-7cd1-4050-b472-fcbf80ee5119/bin/ukojak-LBtLqBUTdQ/data/b5c855978/083dce5cf8d747f097f426b02791bcff/FLAG852071e3f [2021-11-23 00:31:15,297 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4081c10a-7cd1-4050-b472-fcbf80ee5119/bin/ukojak-LBtLqBUTdQ/data/b5c855978/083dce5cf8d747f097f426b02791bcff [2021-11-23 00:31:15,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:31:15,301 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:31:15,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:31:15,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:31:15,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:31:15,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:31:15" (1/1) ... [2021-11-23 00:31:15,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2edeaa75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:15, skipping insertion in model container [2021-11-23 00:31:15,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:31:15" (1/1) ... [2021-11-23 00:31:15,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:31:15,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:31:15,795 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_4081c10a-7cd1-4050-b472-fcbf80ee5119/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c[15980,15993] [2021-11-23 00:31:15,812 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:31:15,823 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:31:15,922 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_4081c10a-7cd1-4050-b472-fcbf80ee5119/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c[15980,15993] [2021-11-23 00:31:15,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:31:15,956 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:31:15,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:15 WrapperNode [2021-11-23 00:31:15,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:31:15,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:31:15,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:31:15,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:31:15,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:15" (1/1) ... [2021-11-23 00:31:15,994 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:15" (1/1) ... [2021-11-23 00:31:16,042 INFO L137 Inliner]: procedures = 52, calls = 151, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 216 [2021-11-23 00:31:16,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:31:16,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:31:16,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:31:16,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:31:16,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:15" (1/1) ... [2021-11-23 00:31:16,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:15" (1/1) ... [2021-11-23 00:31:16,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:15" (1/1) ... [2021-11-23 00:31:16,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:15" (1/1) ... [2021-11-23 00:31:16,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:15" (1/1) ... [2021-11-23 00:31:16,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:15" (1/1) ... [2021-11-23 00:31:16,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:15" (1/1) ... [2021-11-23 00:31:16,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:31:16,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:31:16,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:31:16,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:31:16,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:15" (1/1) ... [2021-11-23 00:31:16,112 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:31:16,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4081c10a-7cd1-4050-b472-fcbf80ee5119/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:31:16,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4081c10a-7cd1-4050-b472-fcbf80ee5119/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:31:16,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4081c10a-7cd1-4050-b472-fcbf80ee5119/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:31:16,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:31:16,199 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 00:31:16,200 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 00:31:16,200 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 00:31:16,201 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 00:31:16,201 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 00:31:16,201 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 00:31:16,201 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-11-23 00:31:16,201 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-11-23 00:31:16,201 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-11-23 00:31:16,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-11-23 00:31:16,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:31:16,202 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 00:31:16,202 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 00:31:16,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:31:16,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:31:16,296 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:31:16,298 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:31:16,629 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:31:16,702 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:31:16,712 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:31:16,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:31:16 BoogieIcfgContainer [2021-11-23 00:31:16,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:31:16,716 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:31:16,718 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:31:16,730 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:31:16,730 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:31:16" (1/1) ... [2021-11-23 00:31:16,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:31:16,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:16,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 48 states and 62 transitions. [2021-11-23 00:31:16,818 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2021-11-23 00:31:16,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:31:16,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:16,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:17,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:17,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:17,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 48 states and 60 transitions. [2021-11-23 00:31:17,132 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2021-11-23 00:31:17,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:31:17,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:17,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:17,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:17,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:17,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 63 transitions. [2021-11-23 00:31:17,225 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2021-11-23 00:31:17,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:31:17,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:17,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:17,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:17,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:17,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 61 states and 88 transitions. [2021-11-23 00:31:17,620 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 88 transitions. [2021-11-23 00:31:17,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:31:17,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:17,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:17,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:17,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:17,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 71 states and 110 transitions. [2021-11-23 00:31:17,966 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 110 transitions. [2021-11-23 00:31:17,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:31:17,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:17,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:18,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:18,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:18,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 72 states and 111 transitions. [2021-11-23 00:31:18,037 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 111 transitions. [2021-11-23 00:31:18,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:31:18,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:18,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:18,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:18,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:18,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 74 states and 114 transitions. [2021-11-23 00:31:18,141 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 114 transitions. [2021-11-23 00:31:18,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:31:18,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:18,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:18,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:18,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:18,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 75 states and 115 transitions. [2021-11-23 00:31:18,215 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 115 transitions. [2021-11-23 00:31:18,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:31:18,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:18,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:18,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:18,247 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:31:18,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:18,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 80 states and 124 transitions. [2021-11-23 00:31:18,306 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 124 transitions. [2021-11-23 00:31:18,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:31:18,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:18,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:18,357 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:31:18,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:18,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 85 states and 134 transitions. [2021-11-23 00:31:18,576 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 134 transitions. [2021-11-23 00:31:18,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:31:18,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:18,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:18,648 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:31:18,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:18,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 86 states and 135 transitions. [2021-11-23 00:31:18,667 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 135 transitions. [2021-11-23 00:31:18,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:31:18,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:18,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:18,768 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:31:19,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:19,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 93 states and 156 transitions. [2021-11-23 00:31:19,187 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 156 transitions. [2021-11-23 00:31:19,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:31:19,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:19,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:19,236 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:31:19,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:19,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 95 states and 159 transitions. [2021-11-23 00:31:19,465 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 159 transitions. [2021-11-23 00:31:19,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:31:19,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:19,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:19,548 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:31:19,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:19,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 96 states and 159 transitions. [2021-11-23 00:31:19,679 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 159 transitions. [2021-11-23 00:31:19,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:31:19,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:19,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:19,740 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:31:19,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:19,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 97 states and 157 transitions. [2021-11-23 00:31:19,860 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 157 transitions. [2021-11-23 00:31:19,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:31:19,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:19,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:19,891 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 00:31:19,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:19,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 40 states and 53 transitions. [2021-11-23 00:31:19,902 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2021-11-23 00:31:19,902 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:31:19,903 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2021-11-23 00:31:19,911 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:31:20,029 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-23 00:31:20,036 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:31:20,036 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:31:20,036 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:31:20,037 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2021-11-23 00:31:20,037 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:31:20,037 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:31:20,038 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:31:20,038 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:31:20,038 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:31:20,038 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:31:20,038 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:31:20,038 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:31:20,038 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:31:20,039 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:31:20,039 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:31:20,039 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:31:20,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:31:20 ImpRootNode [2021-11-23 00:31:20,040 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:31:20,040 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:31:20,040 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:31:20,041 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:31:20,041 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:31:16" (3/4) ... [2021-11-23 00:31:20,044 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:31:20,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 00:31:20,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 00:31:20,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 00:31:20,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 00:31:20,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-11-23 00:31:20,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-11-23 00:31:20,057 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2021-11-23 00:31:20,058 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-11-23 00:31:20,058 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 00:31:20,059 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 00:31:20,059 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 00:31:20,060 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:31:20,060 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:31:20,084 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) || !(pumpRunning == 0) [2021-11-23 00:31:20,118 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4081c10a-7cd1-4050-b472-fcbf80ee5119/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:31:20,119 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:31:20,119 INFO L158 Benchmark]: Toolchain (without parser) took 4818.62ms. Allocated memory was 123.7MB in the beginning and 186.6MB in the end (delta: 62.9MB). Free memory was 88.2MB in the beginning and 131.7MB in the end (delta: -43.5MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2021-11-23 00:31:20,120 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 123.7MB. Free memory was 95.0MB in the beginning and 95.0MB in the end (delta: 26.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:31:20,120 INFO L158 Benchmark]: CACSL2BoogieTranslator took 641.96ms. Allocated memory is still 123.7MB. Free memory was 87.8MB in the beginning and 90.9MB in the end (delta: -3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:31:20,121 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.96ms. Allocated memory is still 123.7MB. Free memory was 90.9MB in the beginning and 88.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:31:20,121 INFO L158 Benchmark]: Boogie Preprocessor took 57.53ms. Allocated memory is still 123.7MB. Free memory was 88.8MB in the beginning and 87.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:31:20,122 INFO L158 Benchmark]: RCFGBuilder took 613.83ms. Allocated memory is still 123.7MB. Free memory was 86.8MB in the beginning and 68.6MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 00:31:20,122 INFO L158 Benchmark]: CodeCheck took 3323.32ms. Allocated memory was 123.7MB in the beginning and 186.6MB in the end (delta: 62.9MB). Free memory was 68.6MB in the beginning and 136.9MB in the end (delta: -68.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:31:20,123 INFO L158 Benchmark]: Witness Printer took 78.61ms. Allocated memory is still 186.6MB. Free memory was 136.9MB in the beginning and 131.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:31:20,125 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, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 16, 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, 2151 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 828 mSDsluCounter, 2207 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1561 mSDsCounter, 484 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1660 IncrementalHoareTripleChecker+Invalid, 2144 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 484 mSolverCounterUnsat, 790 mSDtfsCounter, 1660 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3415 GetRequests, 3345 SyntacticMatches, 2 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1640 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 371 NumberOfCodeBlocks, 371 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 356 ConstructedInterpolants, 0 QuantifiedInterpolants, 842 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 71/88 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: 777]: 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: 618]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) || !(pumpRunning == 0) - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: pumpRunning == 0 && waterLevel == 1 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 123.7MB. Free memory was 95.0MB in the beginning and 95.0MB in the end (delta: 26.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 641.96ms. Allocated memory is still 123.7MB. Free memory was 87.8MB in the beginning and 90.9MB in the end (delta: -3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.96ms. Allocated memory is still 123.7MB. Free memory was 90.9MB in the beginning and 88.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.53ms. Allocated memory is still 123.7MB. Free memory was 88.8MB in the beginning and 87.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 613.83ms. Allocated memory is still 123.7MB. Free memory was 86.8MB in the beginning and 68.6MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 3323.32ms. Allocated memory was 123.7MB in the beginning and 186.6MB in the end (delta: 62.9MB). Free memory was 68.6MB in the beginning and 136.9MB in the end (delta: -68.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 78.61ms. Allocated memory is still 186.6MB. Free memory was 136.9MB in the beginning and 131.7MB 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 00:31:20,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4081c10a-7cd1-4050-b472-fcbf80ee5119/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