./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_272dd0e1-6ea0-4e1c-b465-96088e7a11cc/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_272dd0e1-6ea0-4e1c-b465-96088e7a11cc/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_272dd0e1-6ea0-4e1c-b465-96088e7a11cc/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_272dd0e1-6ea0-4e1c-b465-96088e7a11cc/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_272dd0e1-6ea0-4e1c-b465-96088e7a11cc/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_272dd0e1-6ea0-4e1c-b465-96088e7a11cc/bin/ukojak --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 caf966c06e7a2ed1fef83368f628eae41da528db .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:59:59,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:59:59,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:59:59,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:59:59,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:59:59,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:59:59,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:59:59,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:59:59,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:59:59,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:59:59,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:59:59,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:59:59,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:59:59,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:59:59,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:59:59,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:59:59,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:59:59,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:59:59,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:59:59,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:59:59,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:00:00,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:00:00,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:00:00,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:00:00,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:00:00,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:00:00,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:00:00,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:00:00,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:00:00,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:00:00,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:00:00,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:00:00,028 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:00:00,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:00:00,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:00:00,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:00:00,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:00:00,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:00:00,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:00:00,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:00:00,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:00:00,037 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_272dd0e1-6ea0-4e1c-b465-96088e7a11cc/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 01:00:00,070 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:00:00,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:00:00,071 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:00:00,072 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 01:00:00,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:00:00,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:00:00,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:00:00,073 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:00:00,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:00:00,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:00:00,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:00:00,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:00:00,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:00:00,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:00:00,079 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:00:00,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:00:00,079 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:00:00,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:00:00,080 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 01:00:00,080 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 01:00:00,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:00:00,080 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:00:00,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:00:00,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:00:00,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:00:00,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:00:00,082 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 01:00:00,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:00:00,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:00:00,084 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-vcloud-master/worker/run_dir_272dd0e1-6ea0-4e1c-b465-96088e7a11cc/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_272dd0e1-6ea0-4e1c-b465-96088e7a11cc/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> caf966c06e7a2ed1fef83368f628eae41da528db [2020-11-30 01:00:00,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:00:00,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:00:00,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:00:00,410 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:00:00,413 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:00:00,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_272dd0e1-6ea0-4e1c-b465-96088e7a11cc/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2020-11-30 01:00:00,515 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_272dd0e1-6ea0-4e1c-b465-96088e7a11cc/bin/ukojak/data/ed87ed643/3ec1ba0658144c1d94fd192c625fff8f/FLAGbcfcbaaca [2020-11-30 01:00:01,033 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:00:01,034 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_272dd0e1-6ea0-4e1c-b465-96088e7a11cc/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2020-11-30 01:00:01,054 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_272dd0e1-6ea0-4e1c-b465-96088e7a11cc/bin/ukojak/data/ed87ed643/3ec1ba0658144c1d94fd192c625fff8f/FLAGbcfcbaaca [2020-11-30 01:00:01,359 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_272dd0e1-6ea0-4e1c-b465-96088e7a11cc/bin/ukojak/data/ed87ed643/3ec1ba0658144c1d94fd192c625fff8f [2020-11-30 01:00:01,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:00:01,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:00:01,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:00:01,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:00:01,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:00:01,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:00:01" (1/1) ... [2020-11-30 01:00:01,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18cd7e1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:01, skipping insertion in model container [2020-11-30 01:00:01,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:00:01" (1/1) ... [2020-11-30 01:00:01,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:00:01,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:00:01,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:00:01,808 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:00:01,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:00:01,951 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:00:01,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:01 WrapperNode [2020-11-30 01:00:01,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:00:01,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:00:01,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:00:01,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:00:01,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:01" (1/1) ... [2020-11-30 01:00:01,980 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:01" (1/1) ... [2020-11-30 01:00:02,014 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:00:02,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:00:02,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:00:02,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:00:02,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:01" (1/1) ... [2020-11-30 01:00:02,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:01" (1/1) ... [2020-11-30 01:00:02,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:01" (1/1) ... [2020-11-30 01:00:02,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:01" (1/1) ... [2020-11-30 01:00:02,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:01" (1/1) ... [2020-11-30 01:00:02,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:01" (1/1) ... [2020-11-30 01:00:02,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:01" (1/1) ... [2020-11-30 01:00:02,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:00:02,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:00:02,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:00:02,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:00:02,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:00:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_272dd0e1-6ea0-4e1c-b465-96088e7a11cc/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:00:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:00:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-30 01:00:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-30 01:00:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-30 01:00:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-30 01:00:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-30 01:00:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-30 01:00:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-30 01:00:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-30 01:00:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-30 01:00:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-30 01:00:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-30 01:00:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-30 01:00:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:00:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-30 01:00:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-30 01:00:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:00:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:00:03,506 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:00:03,506 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-11-30 01:00:03,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:00:03 BoogieIcfgContainer [2020-11-30 01:00:03,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:00:03,510 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 01:00:03,510 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 01:00:03,522 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 01:00:03,522 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:00:03" (1/1) ... [2020-11-30 01:00:03,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:00:03,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:03,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2020-11-30 01:00:03,577 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2020-11-30 01:00:03,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 01:00:03,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:00:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:03,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:00:03,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:03,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2020-11-30 01:00:03,893 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2020-11-30 01:00:03,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 01:00:03,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:00:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:04,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:00:04,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:04,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2020-11-30 01:00:04,057 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2020-11-30 01:00:04,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 01:00:04,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:00:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:04,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:00:04,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:04,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 59 states and 79 transitions. [2020-11-30 01:00:04,376 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2020-11-30 01:00:04,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 01:00:04,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:00:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:04,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:00:04,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:04,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 67 states and 93 transitions. [2020-11-30 01:00:04,957 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2020-11-30 01:00:04,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 01:00:04,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:00:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:05,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:00:05,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:05,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 68 states and 94 transitions. [2020-11-30 01:00:05,096 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2020-11-30 01:00:05,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 01:00:05,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:00:05,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:05,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:00:05,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:05,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 69 states and 95 transitions. [2020-11-30 01:00:05,221 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2020-11-30 01:00:05,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-30 01:00:05,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:00:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:05,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:00:06,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:06,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 83 states and 128 transitions. [2020-11-30 01:00:06,559 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 128 transitions. [2020-11-30 01:00:06,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 01:00:06,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:00:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:06,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:00:07,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:07,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 92 states and 148 transitions. [2020-11-30 01:00:07,329 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 148 transitions. [2020-11-30 01:00:07,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 01:00:07,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:00:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:07,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:00:07,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:07,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 93 states and 149 transitions. [2020-11-30 01:00:07,511 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 149 transitions. [2020-11-30 01:00:07,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 01:00:07,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:00:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:07,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:00:07,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:07,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 102 states and 167 transitions. [2020-11-30 01:00:07,877 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 167 transitions. [2020-11-30 01:00:07,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 01:00:07,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:00:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:07,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:00:07,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:07,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 103 states and 168 transitions. [2020-11-30 01:00:07,957 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 168 transitions. [2020-11-30 01:00:07,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 01:00:07,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:00:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:08,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:00:08,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:08,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 105 states and 169 transitions. [2020-11-30 01:00:08,202 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 169 transitions. [2020-11-30 01:00:08,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-30 01:00:08,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:00:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:08,255 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:00:08,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:08,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 111 states and 182 transitions. [2020-11-30 01:00:08,424 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 182 transitions. [2020-11-30 01:00:08,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-30 01:00:08,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:00:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:08,474 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:00:08,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:08,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 112 states and 183 transitions. [2020-11-30 01:00:08,494 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 183 transitions. [2020-11-30 01:00:08,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-30 01:00:08,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:00:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:08,539 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:00:08,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:08,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 113 states and 186 transitions. [2020-11-30 01:00:08,704 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 186 transitions. [2020-11-30 01:00:08,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-30 01:00:08,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:00:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:08,739 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:00:08,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:08,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 114 states and 189 transitions. [2020-11-30 01:00:08,778 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 189 transitions. [2020-11-30 01:00:08,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-30 01:00:08,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:00:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:08,810 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:00:09,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:09,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 117 states and 196 transitions. [2020-11-30 01:00:09,174 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 196 transitions. [2020-11-30 01:00:09,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 01:00:09,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:00:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:09,202 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:00:09,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:09,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 122 states and 203 transitions. [2020-11-30 01:00:09,446 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 203 transitions. [2020-11-30 01:00:09,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-30 01:00:09,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:00:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:09,514 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 01:00:09,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:09,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 123 states and 205 transitions. [2020-11-30 01:00:09,557 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 205 transitions. [2020-11-30 01:00:09,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-30 01:00:09,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:00:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:09,692 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 01:00:10,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:10,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 135 states and 238 transitions. [2020-11-30 01:00:10,609 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 238 transitions. [2020-11-30 01:00:10,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-30 01:00:10,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:00:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:10,970 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:00:13,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:13,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 143 states and 256 transitions. [2020-11-30 01:00:13,124 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 256 transitions. [2020-11-30 01:00:13,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-30 01:00:13,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:00:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:13,174 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 01:00:13,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:13,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 144 states and 257 transitions. [2020-11-30 01:00:13,203 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 257 transitions. [2020-11-30 01:00:13,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-30 01:00:13,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:00:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:13,261 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 01:00:13,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:13,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 145 states and 258 transitions. [2020-11-30 01:00:13,280 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 258 transitions. [2020-11-30 01:00:13,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-30 01:00:13,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:00:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:13,330 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-30 01:00:14,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:14,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 148 states and 261 transitions. [2020-11-30 01:00:14,355 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 261 transitions. [2020-11-30 01:00:14,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-30 01:00:14,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:00:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:14,395 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 01:00:15,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:15,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 151 states and 262 transitions. [2020-11-30 01:00:15,172 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 262 transitions. [2020-11-30 01:00:15,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-30 01:00:15,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:00:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:15,209 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 01:00:15,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:15,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 151 states and 259 transitions. [2020-11-30 01:00:15,666 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 259 transitions. [2020-11-30 01:00:15,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-30 01:00:15,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:00:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:15,699 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-30 01:00:15,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:15,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 157 states and 268 transitions. [2020-11-30 01:00:15,743 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 268 transitions. [2020-11-30 01:00:15,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-30 01:00:15,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:00:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:15,803 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-11-30 01:00:15,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:15,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 158 states and 268 transitions. [2020-11-30 01:00:15,820 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 268 transitions. [2020-11-30 01:00:15,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-30 01:00:15,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:00:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:15,874 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-30 01:00:15,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:15,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 159 states and 269 transitions. [2020-11-30 01:00:15,901 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 269 transitions. [2020-11-30 01:00:15,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-30 01:00:15,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:00:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:00:15,953 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-30 01:00:15,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:00:15,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 66 states and 93 transitions. [2020-11-30 01:00:15,978 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2020-11-30 01:00:15,978 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:00:15,979 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2020-11-30 01:00:15,991 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-30 01:00:16,277 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2020-11-30 01:00:16,285 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:00:16,285 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:00:16,286 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:00:16,286 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:00:16,286 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:00:16,286 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:00:16,286 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:00:16,286 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:00:16,286 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:00:16,287 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-30 01:00:16,287 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:00:16,288 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:00:16,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 01:00:16 ImpRootNode [2020-11-30 01:00:16,288 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 01:00:16,289 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:00:16,289 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:00:16,289 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:00:16,290 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:00:03" (3/4) ... [2020-11-30 01:00:16,294 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:00:16,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-30 01:00:16,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-30 01:00:16,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-30 01:00:16,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-30 01:00:16,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-30 01:00:16,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-11-30 01:00:16,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-11-30 01:00:16,310 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2020-11-30 01:00:16,311 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-30 01:00:16,311 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-30 01:00:16,312 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 01:00:16,313 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 01:00:16,313 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:00:16,314 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:00:16,345 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) [2020-11-30 01:00:16,394 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_272dd0e1-6ea0-4e1c-b465-96088e7a11cc/bin/ukojak/witness.graphml [2020-11-30 01:00:16,395 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:00:16,397 INFO L168 Benchmark]: Toolchain (without parser) took 15032.91 ms. Allocated memory was 86.0 MB in the beginning and 209.7 MB in the end (delta: 123.7 MB). Free memory was 53.3 MB in the beginning and 101.0 MB in the end (delta: -47.7 MB). Peak memory consumption was 75.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:00:16,398 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 86.0 MB. Free memory was 44.0 MB in the beginning and 44.0 MB in the end (delta: 34.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:00:16,398 INFO L168 Benchmark]: CACSL2BoogieTranslator took 587.68 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 53.1 MB in the beginning and 84.5 MB in the end (delta: -31.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:00:16,399 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.84 ms. Allocated memory is still 117.4 MB. Free memory was 84.5 MB in the beginning and 82.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:00:16,399 INFO L168 Benchmark]: Boogie Preprocessor took 62.36 ms. Allocated memory is still 117.4 MB. Free memory was 82.3 MB in the beginning and 80.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:00:16,400 INFO L168 Benchmark]: RCFGBuilder took 1430.22 ms. Allocated memory is still 117.4 MB. Free memory was 80.3 MB in the beginning and 73.1 MB in the end (delta: 7.3 MB). Peak memory consumption was 48.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:00:16,401 INFO L168 Benchmark]: CodeCheck took 12778.34 ms. Allocated memory was 117.4 MB in the beginning and 209.7 MB in the end (delta: 92.3 MB). Free memory was 73.1 MB in the beginning and 106.3 MB in the end (delta: -33.2 MB). Peak memory consumption was 58.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:00:16,401 INFO L168 Benchmark]: Witness Printer took 106.05 ms. Allocated memory is still 209.7 MB. Free memory was 106.3 MB in the beginning and 101.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:00:16,404 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 8 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.4s, OverallIterations: 31, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -569686324 SDtfs, 786391900 SDslu, 633941132 SDs, 0 SdLazy, 161593692 SolverSat, -939450708 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8865 GetRequests, 8669 SyntacticMatches, 30 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11211 ImplicationChecksByTransitivity, 8.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 916 NumberOfCodeBlocks, 916 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 886 ConstructedInterpolants, 0 QuantifiedInterpolants, 69103 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 26 PerfectInterpolantSequences, 230/247 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: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && tmp == systemActive) && tmp == waterLevel - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 86.0 MB. Free memory was 44.0 MB in the beginning and 44.0 MB in the end (delta: 34.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 587.68 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 53.1 MB in the beginning and 84.5 MB in the end (delta: -31.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.84 ms. Allocated memory is still 117.4 MB. Free memory was 84.5 MB in the beginning and 82.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.36 ms. Allocated memory is still 117.4 MB. Free memory was 82.3 MB in the beginning and 80.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1430.22 ms. Allocated memory is still 117.4 MB. Free memory was 80.3 MB in the beginning and 73.1 MB in the end (delta: 7.3 MB). Peak memory consumption was 48.8 MB. Max. memory is 16.1 GB. * CodeCheck took 12778.34 ms. Allocated memory was 117.4 MB in the beginning and 209.7 MB in the end (delta: 92.3 MB). Free memory was 73.1 MB in the beginning and 106.3 MB in the end (delta: -33.2 MB). Peak memory consumption was 58.6 MB. Max. memory is 16.1 GB. * Witness Printer took 106.05 ms. Allocated memory is still 209.7 MB. Free memory was 106.3 MB in the beginning and 101.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...