./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bc6933d1-5b72-4532-a826-9169896115e7/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_bc6933d1-5b72-4532-a826-9169896115e7/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bc6933d1-5b72-4532-a826-9169896115e7/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bc6933d1-5b72-4532-a826-9169896115e7/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bc6933d1-5b72-4532-a826-9169896115e7/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bc6933d1-5b72-4532-a826-9169896115e7/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 3b80756aa2653c0961d1e6ee1b66ce4cd54e450f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:13:04,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:13:04,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:13:04,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:13:04,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:13:04,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:13:04,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:13:04,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:13:04,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:13:05,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:13:05,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:13:05,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:13:05,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:13:05,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:13:05,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:13:05,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:13:05,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:13:05,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:13:05,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:13:05,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:13:05,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:13:05,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:13:05,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:13:05,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:13:05,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:13:05,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:13:05,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:13:05,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:13:05,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:13:05,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:13:05,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:13:05,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:13:05,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:13:05,072 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:13:05,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:13:05,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:13:05,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:13:05,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:13:05,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:13:05,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:13:05,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:13:05,083 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bc6933d1-5b72-4532-a826-9169896115e7/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:13:05,130 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:13:05,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:13:05,132 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:13:05,132 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:13:05,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:13:05,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:13:05,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:13:05,134 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:13:05,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:13:05,135 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:13:05,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:13:05,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:13:05,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:13:05,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:13:05,137 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:13:05,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:13:05,138 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:13:05,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:13:05,138 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:13:05,139 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:13:05,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:13:05,139 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:13:05,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:13:05,140 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:13:05,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:13:05,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:13:05,141 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:13:05,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:13:05,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:13:05,143 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_bc6933d1-5b72-4532-a826-9169896115e7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bc6933d1-5b72-4532-a826-9169896115e7/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b80756aa2653c0961d1e6ee1b66ce4cd54e450f [2020-12-01 17:13:05,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:13:05,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:13:05,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:13:05,555 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:13:05,556 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:13:05,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bc6933d1-5b72-4532-a826-9169896115e7/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c [2020-12-01 17:13:05,645 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bc6933d1-5b72-4532-a826-9169896115e7/bin/ukojak/data/1453f7b68/741fccf2acf2435eadc5e64a1ecd54f7/FLAGc4814b467 [2020-12-01 17:13:06,310 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:13:06,311 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bc6933d1-5b72-4532-a826-9169896115e7/sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c [2020-12-01 17:13:06,327 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bc6933d1-5b72-4532-a826-9169896115e7/bin/ukojak/data/1453f7b68/741fccf2acf2435eadc5e64a1ecd54f7/FLAGc4814b467 [2020-12-01 17:13:06,568 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bc6933d1-5b72-4532-a826-9169896115e7/bin/ukojak/data/1453f7b68/741fccf2acf2435eadc5e64a1ecd54f7 [2020-12-01 17:13:06,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:13:06,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:13:06,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:13:06,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:13:06,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:13:06,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:13:06" (1/1) ... [2020-12-01 17:13:06,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c7a091b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:13:06, skipping insertion in model container [2020-12-01 17:13:06,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:13:06" (1/1) ... [2020-12-01 17:13:06,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:13:06,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:13:07,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:13:07,085 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:13:07,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:13:07,275 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:13:07,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:13:07 WrapperNode [2020-12-01 17:13:07,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:13:07,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:13:07,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:13:07,278 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:13:07,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:13:07" (1/1) ... [2020-12-01 17:13:07,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:13:07" (1/1) ... [2020-12-01 17:13:07,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:13:07,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:13:07,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:13:07,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:13:07,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:13:07" (1/1) ... [2020-12-01 17:13:07,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:13:07" (1/1) ... [2020-12-01 17:13:07,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:13:07" (1/1) ... [2020-12-01 17:13:07,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:13:07" (1/1) ... [2020-12-01 17:13:07,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:13:07" (1/1) ... [2020-12-01 17:13:07,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:13:07" (1/1) ... [2020-12-01 17:13:07,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:13:07" (1/1) ... [2020-12-01 17:13:07,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:13:07,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:13:07,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:13:07,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:13:07,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:13:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bc6933d1-5b72-4532-a826-9169896115e7/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 [2020-12-01 17:13:07,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:13:07,542 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 17:13:07,542 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 17:13:07,542 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 17:13:07,543 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 17:13:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 17:13:07,543 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 17:13:07,543 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 17:13:07,544 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 17:13:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-12-01 17:13:07,544 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-12-01 17:13:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 17:13:07,545 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 17:13:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:13:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 17:13:07,546 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 17:13:07,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:13:07,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:13:09,247 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:13:09,247 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-12-01 17:13:09,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:13:09 BoogieIcfgContainer [2020-12-01 17:13:09,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:13:09,252 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:13:09,252 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:13:09,266 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:13:09,267 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:13:09" (1/1) ... [2020-12-01 17:13:09,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:13:09,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:09,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 53 states and 71 transitions. [2020-12-01 17:13:09,353 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 71 transitions. [2020-12-01 17:13:09,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:13:09,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:09,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:13:09,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:09,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2020-12-01 17:13:09,695 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2020-12-01 17:13:09,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:13:09,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:09,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:13:09,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:09,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2020-12-01 17:13:09,939 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2020-12-01 17:13:09,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:13:09,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:10,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:13:10,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:10,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 64 states and 89 transitions. [2020-12-01 17:13:10,495 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 89 transitions. [2020-12-01 17:13:10,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:13:10,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:10,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:13:11,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:11,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 77 states and 119 transitions. [2020-12-01 17:13:11,286 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 119 transitions. [2020-12-01 17:13:11,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:13:11,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:11,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:13:11,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:11,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 80 states and 124 transitions. [2020-12-01 17:13:11,437 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 124 transitions. [2020-12-01 17:13:11,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:13:11,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:11,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:13:11,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:11,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 85 states and 133 transitions. [2020-12-01 17:13:11,638 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 133 transitions. [2020-12-01 17:13:11,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:13:11,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:11,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:13:13,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:13,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 98 states and 165 transitions. [2020-12-01 17:13:13,148 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 165 transitions. [2020-12-01 17:13:13,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:13:13,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:13,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:13:13,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:13,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 100 states and 173 transitions. [2020-12-01 17:13:13,405 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 173 transitions. [2020-12-01 17:13:13,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 17:13:13,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:13,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:13:13,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:13,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 102 states and 178 transitions. [2020-12-01 17:13:13,832 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 178 transitions. [2020-12-01 17:13:13,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 17:13:13,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:13,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:13:13,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:13,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 100 states and 172 transitions. [2020-12-01 17:13:13,915 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 172 transitions. [2020-12-01 17:13:13,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 17:13:13,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:13,961 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:13:14,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:14,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 106 states and 189 transitions. [2020-12-01 17:13:14,449 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 189 transitions. [2020-12-01 17:13:14,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 17:13:14,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:14,531 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:13:14,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:14,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 109 states and 196 transitions. [2020-12-01 17:13:14,571 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 196 transitions. [2020-12-01 17:13:14,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 17:13:14,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:14,640 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:13:14,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:14,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 111 states and 199 transitions. [2020-12-01 17:13:14,770 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 199 transitions. [2020-12-01 17:13:14,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 17:13:14,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:14,838 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:13:14,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:14,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 116 states and 215 transitions. [2020-12-01 17:13:14,982 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 215 transitions. [2020-12-01 17:13:14,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 17:13:14,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:15,052 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:13:15,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:15,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 117 states and 216 transitions. [2020-12-01 17:13:15,079 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 216 transitions. [2020-12-01 17:13:15,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 17:13:15,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:15,196 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:13:15,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:15,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 119 states and 218 transitions. [2020-12-01 17:13:15,250 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 218 transitions. [2020-12-01 17:13:15,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 17:13:15,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:15,305 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:13:15,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:15,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 121 states and 220 transitions. [2020-12-01 17:13:15,361 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 220 transitions. [2020-12-01 17:13:15,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:13:15,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:15,462 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:13:16,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:16,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 125 states and 238 transitions. [2020-12-01 17:13:16,479 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 238 transitions. [2020-12-01 17:13:16,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 17:13:16,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:16,545 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 17:13:17,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:17,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 125 states and 236 transitions. [2020-12-01 17:13:17,259 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 236 transitions. [2020-12-01 17:13:17,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 17:13:17,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:17,309 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 17:13:17,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:17,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 127 states and 242 transitions. [2020-12-01 17:13:17,754 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 242 transitions. [2020-12-01 17:13:17,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 17:13:17,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:17,820 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:13:18,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:18,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 130 states and 248 transitions. [2020-12-01 17:13:18,335 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 248 transitions. [2020-12-01 17:13:18,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 17:13:18,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:18,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:18,431 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:13:19,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:19,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 134 states and 260 transitions. [2020-12-01 17:13:19,316 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 260 transitions. [2020-12-01 17:13:19,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 17:13:19,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:19,384 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:13:19,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:19,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 134 states and 257 transitions. [2020-12-01 17:13:19,706 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 257 transitions. [2020-12-01 17:13:19,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 17:13:19,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:13:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:13:19,763 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 17:13:19,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:13:19,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 64 states and 90 transitions. [2020-12-01 17:13:19,786 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2020-12-01 17:13:19,787 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:13:19,787 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2020-12-01 17:13:19,798 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:13:20,115 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-12-01 17:13:20,123 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:13:20,124 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:13:20,124 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:13:20,124 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 17:13:20,125 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:13:20,125 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:13:20,125 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:13:20,126 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:13:20,126 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-12-01 17:13:20,127 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:13:20,127 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-12-01 17:13:20,128 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:13:20,128 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:13:20,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:13:20 ImpRootNode [2020-12-01 17:13:20,129 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:13:20,130 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:13:20,130 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:13:20,130 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:13:20,131 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:13:09" (3/4) ... [2020-12-01 17:13:20,140 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:13:20,160 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-12-01 17:13:20,160 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-12-01 17:13:20,160 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 17:13:20,160 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 17:13:20,161 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 17:13:20,161 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 17:13:20,161 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2020-12-01 17:13:20,172 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 62 nodes and edges [2020-12-01 17:13:20,175 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2020-12-01 17:13:20,177 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 17:13:20,178 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 17:13:20,178 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 17:13:20,179 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:13:20,180 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:13:20,234 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive [2020-12-01 17:13:20,236 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(pumpRunning == 0) || pumpRunning == \old(pumpRunning) [2020-12-01 17:13:20,238 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-12-01 17:13:20,339 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bc6933d1-5b72-4532-a826-9169896115e7/bin/ukojak/witness.graphml [2020-12-01 17:13:20,339 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:13:20,342 INFO L168 Benchmark]: Toolchain (without parser) took 13764.88 ms. Allocated memory was 88.1 MB in the beginning and 190.8 MB in the end (delta: 102.8 MB). Free memory was 59.0 MB in the beginning and 58.5 MB in the end (delta: 526.5 kB). Peak memory consumption was 103.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:13:20,342 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 88.1 MB. Free memory is still 45.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:13:20,343 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.18 ms. Allocated memory is still 88.1 MB. Free memory was 58.8 MB in the beginning and 55.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:13:20,344 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.68 ms. Allocated memory is still 88.1 MB. Free memory was 55.4 MB in the beginning and 52.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:13:20,344 INFO L168 Benchmark]: Boogie Preprocessor took 81.59 ms. Allocated memory is still 88.1 MB. Free memory was 52.7 MB in the beginning and 51.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:13:20,345 INFO L168 Benchmark]: RCFGBuilder took 1793.37 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 51.0 MB in the beginning and 52.6 MB in the end (delta: -1.7 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:13:20,346 INFO L168 Benchmark]: CodeCheck took 10877.43 ms. Allocated memory was 107.0 MB in the beginning and 190.8 MB in the end (delta: 83.9 MB). Free memory was 52.0 MB in the beginning and 64.8 MB in the end (delta: -12.7 MB). Peak memory consumption was 70.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:13:20,346 INFO L168 Benchmark]: Witness Printer took 209.56 ms. Allocated memory is still 190.8 MB. Free memory was 64.8 MB in the beginning and 58.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:13:20,349 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, 53 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.4s, OverallIterations: 25, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 321690144 SDtfs, 134654292 SDslu, 248357376 SDs, 0 SdLazy, 264028692 SolverSat, 83488104 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8017 GetRequests, 7875 SyntacticMatches, 4 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7889 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 732 NumberOfCodeBlocks, 732 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 708 ConstructedInterpolants, 0 QuantifiedInterpolants, 53391 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 20 PerfectInterpolantSequences, 137/154 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: 519]: Loop Invariant Derived loop invariant: ((tmp == systemActive && waterLevel == 1) && pumpRunning == 0) && tmp == 1 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || pumpRunning == \old(pumpRunning) - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 88.1 MB. Free memory is still 45.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 695.18 ms. Allocated memory is still 88.1 MB. Free memory was 58.8 MB in the beginning and 55.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.68 ms. Allocated memory is still 88.1 MB. Free memory was 55.4 MB in the beginning and 52.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 81.59 ms. Allocated memory is still 88.1 MB. Free memory was 52.7 MB in the beginning and 51.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1793.37 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 51.0 MB in the beginning and 52.6 MB in the end (delta: -1.7 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. * CodeCheck took 10877.43 ms. Allocated memory was 107.0 MB in the beginning and 190.8 MB in the end (delta: 83.9 MB). Free memory was 52.0 MB in the beginning and 64.8 MB in the end (delta: -12.7 MB). Peak memory consumption was 70.3 MB. Max. memory is 16.1 GB. * Witness Printer took 209.56 ms. Allocated memory is still 190.8 MB. Free memory was 64.8 MB in the beginning and 58.5 MB in the end (delta: 6.3 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...