./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product06.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_be810f4e-10b0-45e3-a5fe-d40e3010bb0b/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_be810f4e-10b0-45e3-a5fe-d40e3010bb0b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_be810f4e-10b0-45e3-a5fe-d40e3010bb0b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_be810f4e-10b0-45e3-a5fe-d40e3010bb0b/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_be810f4e-10b0-45e3-a5fe-d40e3010bb0b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_be810f4e-10b0-45e3-a5fe-d40e3010bb0b/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 b67757251629fd1bffeb4ee115ae4af5ebdd6873 .................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:01:43,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:01:43,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:01:43,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:01:43,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:01:43,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:01:43,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:01:43,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:01:43,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:01:43,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:01:43,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:01:43,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:01:43,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:01:43,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:01:43,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:01:43,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:01:43,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:01:43,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:01:43,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:01:43,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:01:43,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:01:43,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:01:43,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:01:43,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:01:43,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:01:43,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:01:43,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:01:43,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:01:43,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:01:43,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:01:43,219 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:01:43,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:01:43,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:01:43,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:01:43,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:01:43,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:01:43,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:01:43,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:01:43,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:01:43,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:01:43,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:01:43,233 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_be810f4e-10b0-45e3-a5fe-d40e3010bb0b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 20:01:43,278 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:01:43,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:01:43,280 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 20:01:43,281 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 20:01:43,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:01:43,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:01:43,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:01:43,283 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:01:43,283 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:01:43,284 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:01:43,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:01:43,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:01:43,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:01:43,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:01:43,286 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:01:43,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:01:43,287 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:01:43,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:01:43,288 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 20:01:43,290 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 20:01:43,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:01:43,298 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:01:43,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 20:01:43,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:01:43,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:01:43,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:01:43,303 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 20:01:43,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:01:43,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:01:43,307 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_be810f4e-10b0-45e3-a5fe-d40e3010bb0b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_be810f4e-10b0-45e3-a5fe-d40e3010bb0b/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b67757251629fd1bffeb4ee115ae4af5ebdd6873 [2020-11-29 20:01:43,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:01:43,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:01:43,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:01:43,690 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:01:43,691 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:01:43,692 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_be810f4e-10b0-45e3-a5fe-d40e3010bb0b/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2020-11-29 20:01:43,801 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be810f4e-10b0-45e3-a5fe-d40e3010bb0b/bin/ukojak/data/e0da96f66/33016b8296a34b72a91624fa3b6e1b92/FLAG3b7c3867a [2020-11-29 20:01:44,494 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:01:44,495 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_be810f4e-10b0-45e3-a5fe-d40e3010bb0b/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2020-11-29 20:01:44,511 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be810f4e-10b0-45e3-a5fe-d40e3010bb0b/bin/ukojak/data/e0da96f66/33016b8296a34b72a91624fa3b6e1b92/FLAG3b7c3867a [2020-11-29 20:01:44,711 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_be810f4e-10b0-45e3-a5fe-d40e3010bb0b/bin/ukojak/data/e0da96f66/33016b8296a34b72a91624fa3b6e1b92 [2020-11-29 20:01:44,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:01:44,718 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:01:44,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:01:44,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:01:44,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:01:44,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:01:44" (1/1) ... [2020-11-29 20:01:44,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23022493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:01:44, skipping insertion in model container [2020-11-29 20:01:44,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:01:44" (1/1) ... [2020-11-29 20:01:44,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:01:44,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:01:45,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:01:45,315 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:01:45,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:01:45,438 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:01:45,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:01:45 WrapperNode [2020-11-29 20:01:45,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:01:45,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:01:45,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:01:45,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:01:45,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:01:45" (1/1) ... [2020-11-29 20:01:45,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:01:45" (1/1) ... [2020-11-29 20:01:45,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:01:45,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:01:45,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:01:45,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:01:45,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:01:45" (1/1) ... [2020-11-29 20:01:45,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:01:45" (1/1) ... [2020-11-29 20:01:45,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:01:45" (1/1) ... [2020-11-29 20:01:45,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:01:45" (1/1) ... [2020-11-29 20:01:45,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:01:45" (1/1) ... [2020-11-29 20:01:45,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:01:45" (1/1) ... [2020-11-29 20:01:45,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:01:45" (1/1) ... [2020-11-29 20:01:45,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:01:45,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:01:45,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:01:45,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:01:45,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:01:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be810f4e-10b0-45e3-a5fe-d40e3010bb0b/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 [2020-11-29 20:01:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:01:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-29 20:01:45,663 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-29 20:01:45,664 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-29 20:01:45,664 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-29 20:01:45,665 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-29 20:01:45,665 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-29 20:01:45,666 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-29 20:01:45,666 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-29 20:01:45,667 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-29 20:01:45,667 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-29 20:01:45,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:01:45,667 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-29 20:01:45,668 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-29 20:01:45,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:01:45,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:01:47,566 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:01:47,566 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-11-29 20:01:47,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:01:47 BoogieIcfgContainer [2020-11-29 20:01:47,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:01:47,570 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 20:01:47,570 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 20:01:47,585 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 20:01:47,585 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:01:47" (1/1) ... [2020-11-29 20:01:47,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:01:47,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:01:47,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2020-11-29 20:01:47,653 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2020-11-29 20:01:47,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 20:01:47,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:01:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:01:47,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:01:47,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:01:48,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2020-11-29 20:01:48,002 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2020-11-29 20:01:48,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 20:01:48,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:01:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:01:48,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:01:48,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:01:48,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2020-11-29 20:01:48,264 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-11-29 20:01:48,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 20:01:48,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:01:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:01:48,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:01:48,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:01:48,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 59 states and 81 transitions. [2020-11-29 20:01:48,808 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2020-11-29 20:01:48,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 20:01:48,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:01:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:01:48,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:01:49,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:01:49,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 74 states and 111 transitions. [2020-11-29 20:01:49,743 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2020-11-29 20:01:49,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 20:01:49,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:01:49,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:01:49,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:01:50,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:01:50,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2020-11-29 20:01:50,025 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2020-11-29 20:01:50,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 20:01:50,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:01:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:01:50,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:01:51,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:01:51,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 96 states and 159 transitions. [2020-11-29 20:01:51,882 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 159 transitions. [2020-11-29 20:01:51,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 20:01:51,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:01:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:01:51,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:01:52,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:01:52,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 100 states and 166 transitions. [2020-11-29 20:01:52,221 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 166 transitions. [2020-11-29 20:01:52,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 20:01:52,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:01:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:01:52,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:01:52,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:01:52,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 102 states and 168 transitions. [2020-11-29 20:01:52,518 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 168 transitions. [2020-11-29 20:01:52,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-29 20:01:52,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:01:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:01:52,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 20:01:52,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:01:52,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 103 states and 169 transitions. [2020-11-29 20:01:52,626 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 169 transitions. [2020-11-29 20:01:52,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 20:01:52,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:01:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:01:52,695 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 20:01:52,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:01:52,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 104 states and 170 transitions. [2020-11-29 20:01:52,718 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 170 transitions. [2020-11-29 20:01:52,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 20:01:52,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:01:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:01:52,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 20:01:53,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:01:53,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 109 states and 180 transitions. [2020-11-29 20:01:53,017 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 180 transitions. [2020-11-29 20:01:53,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-29 20:01:53,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:01:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:01:53,056 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 20:01:53,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:01:53,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 110 states and 182 transitions. [2020-11-29 20:01:53,291 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 182 transitions. [2020-11-29 20:01:53,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-29 20:01:53,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:01:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:01:53,648 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 20:01:54,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:01:54,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 113 states and 189 transitions. [2020-11-29 20:01:54,737 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 189 transitions. [2020-11-29 20:01:54,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-29 20:01:54,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:01:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:01:54,787 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 20:01:55,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:01:55,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 121 states and 203 transitions. [2020-11-29 20:01:55,622 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 203 transitions. [2020-11-29 20:01:55,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-29 20:01:55,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:01:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:01:55,676 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 20:01:55,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:01:55,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 126 states and 213 transitions. [2020-11-29 20:01:55,862 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 213 transitions. [2020-11-29 20:01:55,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-29 20:01:55,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:01:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:01:55,928 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 20:01:55,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:01:55,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 127 states and 214 transitions. [2020-11-29 20:01:55,962 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 214 transitions. [2020-11-29 20:01:55,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 20:01:55,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:01:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:01:56,006 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 20:01:56,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:01:56,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 130 states and 221 transitions. [2020-11-29 20:01:56,322 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 221 transitions. [2020-11-29 20:01:56,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 20:01:56,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:01:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:01:56,528 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 20:01:58,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:01:58,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 143 states and 247 transitions. [2020-11-29 20:01:58,785 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 247 transitions. [2020-11-29 20:01:58,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-29 20:01:58,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:01:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:01:58,849 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-29 20:02:00,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:02:00,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 149 states and 262 transitions. [2020-11-29 20:02:00,333 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 262 transitions. [2020-11-29 20:02:00,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-29 20:02:00,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:02:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:02:00,413 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-29 20:02:00,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:02:00,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 151 states and 263 transitions. [2020-11-29 20:02:00,445 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 263 transitions. [2020-11-29 20:02:00,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 20:02:00,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:02:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:02:00,626 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 20:02:01,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:02:01,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 158 states and 274 transitions. [2020-11-29 20:02:01,714 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 274 transitions. [2020-11-29 20:02:01,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-29 20:02:01,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:02:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:02:01,767 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-29 20:02:01,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:02:01,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 161 states and 279 transitions. [2020-11-29 20:02:01,796 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 279 transitions. [2020-11-29 20:02:01,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-29 20:02:01,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:02:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:02:01,841 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 20:02:01,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:02:01,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 162 states and 280 transitions. [2020-11-29 20:02:01,866 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 280 transitions. [2020-11-29 20:02:01,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-29 20:02:01,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:02:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:02:01,904 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-29 20:02:01,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:02:01,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 163 states and 281 transitions. [2020-11-29 20:02:01,953 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 281 transitions. [2020-11-29 20:02:01,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-29 20:02:01,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:02:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:02:01,995 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-29 20:02:02,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:02:02,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 55 states and 66 transitions. [2020-11-29 20:02:02,019 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2020-11-29 20:02:02,019 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 20:02:02,020 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2020-11-29 20:02:02,028 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 20:02:02,389 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 20:02:02,394 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-29 20:02:02,399 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 20:02:02,399 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 20:02:02,399 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-29 20:02:02,400 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 20:02:02,400 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 20:02:02,400 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 20:02:02,401 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 20:02:02,401 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 20:02:02,401 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 20:02:02,401 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-29 20:02:02,402 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 20:02:02,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 08:02:02 ImpRootNode [2020-11-29 20:02:02,403 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 20:02:02,403 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:02:02,403 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:02:02,403 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:02:02,404 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:01:47" (3/4) ... [2020-11-29 20:02:02,416 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 20:02:02,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-29 20:02:02,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-29 20:02:02,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-29 20:02:02,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-29 20:02:02,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-29 20:02:02,431 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-29 20:02:02,439 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2020-11-29 20:02:02,440 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-29 20:02:02,440 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-29 20:02:02,441 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 20:02:02,441 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 20:02:02,442 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:02:02,442 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:02:02,487 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive [2020-11-29 20:02:02,554 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_be810f4e-10b0-45e3-a5fe-d40e3010bb0b/bin/ukojak/witness.graphml [2020-11-29 20:02:02,564 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:02:02,566 INFO L168 Benchmark]: Toolchain (without parser) took 17847.44 ms. Allocated memory was 92.3 MB in the beginning and 251.7 MB in the end (delta: 159.4 MB). Free memory was 56.8 MB in the beginning and 145.1 MB in the end (delta: -88.3 MB). Peak memory consumption was 69.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:02:02,568 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 92.3 MB. Free memory was 66.8 MB in the beginning and 66.8 MB in the end (delta: 28.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:02:02,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 716.83 ms. Allocated memory is still 92.3 MB. Free memory was 56.6 MB in the beginning and 59.3 MB in the end (delta: -2.8 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:02:02,569 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.89 ms. Allocated memory is still 92.3 MB. Free memory was 59.3 MB in the beginning and 56.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:02:02,569 INFO L168 Benchmark]: Boogie Preprocessor took 40.94 ms. Allocated memory is still 92.3 MB. Free memory was 56.8 MB in the beginning and 55.1 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:02:02,570 INFO L168 Benchmark]: RCFGBuilder took 2004.31 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 55.1 MB in the beginning and 77.8 MB in the end (delta: -22.7 MB). Peak memory consumption was 31.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:02:02,570 INFO L168 Benchmark]: CodeCheck took 14832.45 ms. Allocated memory was 119.5 MB in the beginning and 251.7 MB in the end (delta: 132.1 MB). Free memory was 77.8 MB in the beginning and 150.3 MB in the end (delta: -72.5 MB). Peak memory consumption was 62.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:02:02,571 INFO L168 Benchmark]: Witness Printer took 161.13 ms. Allocated memory is still 251.7 MB. Free memory was 150.3 MB in the beginning and 145.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:02:02,574 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.3s, OverallIterations: 26, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 783775508 SDtfs, 288039332 SDslu, 540588644 SDs, 0 SdLazy, 603509972 SolverSat, 202416044 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9427 GetRequests, 9242 SyntacticMatches, 3 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13211 ImplicationChecksByTransitivity, 9.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 966 NumberOfCodeBlocks, 966 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 941 ConstructedInterpolants, 0 QuantifiedInterpolants, 79506 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 19 PerfectInterpolantSequences, 310/336 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: 558]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: ((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 92.3 MB. Free memory was 66.8 MB in the beginning and 66.8 MB in the end (delta: 28.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 716.83 ms. Allocated memory is still 92.3 MB. Free memory was 56.6 MB in the beginning and 59.3 MB in the end (delta: -2.8 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.89 ms. Allocated memory is still 92.3 MB. Free memory was 59.3 MB in the beginning and 56.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.94 ms. Allocated memory is still 92.3 MB. Free memory was 56.8 MB in the beginning and 55.1 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 2004.31 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 55.1 MB in the beginning and 77.8 MB in the end (delta: -22.7 MB). Peak memory consumption was 31.4 MB. Max. memory is 16.1 GB. * CodeCheck took 14832.45 ms. Allocated memory was 119.5 MB in the beginning and 251.7 MB in the end (delta: 132.1 MB). Free memory was 77.8 MB in the beginning and 150.3 MB in the end (delta: -72.5 MB). Peak memory consumption was 62.4 MB. Max. memory is 16.1 GB. * Witness Printer took 161.13 ms. Allocated memory is still 251.7 MB. Free memory was 150.3 MB in the beginning and 145.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...