./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product29.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_0ae1ce00-2d01-4a19-9f3e-6e8e2693a338/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0ae1ce00-2d01-4a19-9f3e-6e8e2693a338/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0ae1ce00-2d01-4a19-9f3e-6e8e2693a338/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0ae1ce00-2d01-4a19-9f3e-6e8e2693a338/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0ae1ce00-2d01-4a19-9f3e-6e8e2693a338/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0ae1ce00-2d01-4a19-9f3e-6e8e2693a338/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 d8dfaf8ef68175aa3f4082d006a42419867490ad ............................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:42:20,227 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:42:20,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:42:20,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:42:20,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:42:20,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:42:20,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:42:20,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:42:20,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:42:20,327 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:42:20,328 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:42:20,329 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:42:20,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:42:20,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:42:20,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:42:20,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:42:20,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:42:20,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:42:20,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:42:20,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:42:20,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:42:20,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:42:20,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:42:20,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:42:20,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:42:20,369 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:42:20,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:42:20,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:42:20,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:42:20,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:42:20,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:42:20,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:42:20,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:42:20,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:42:20,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:42:20,383 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:42:20,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:42:20,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:42:20,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:42:20,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:42:20,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:42:20,388 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0ae1ce00-2d01-4a19-9f3e-6e8e2693a338/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:42:20,425 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:42:20,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:42:20,426 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:42:20,427 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:42:20,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:42:20,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:42:20,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:42:20,428 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:42:20,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:42:20,428 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:42:20,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:42:20,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:42:20,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:42:20,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:42:20,430 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:42:20,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:42:20,430 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:42:20,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:42:20,431 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:42:20,431 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:42:20,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:42:20,431 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:42:20,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:42:20,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:42:20,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:42:20,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:42:20,432 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:42:20,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:42:20,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:42:20,433 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_0ae1ce00-2d01-4a19-9f3e-6e8e2693a338/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0ae1ce00-2d01-4a19-9f3e-6e8e2693a338/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8dfaf8ef68175aa3f4082d006a42419867490ad [2020-11-28 04:42:20,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:42:20,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:42:20,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:42:20,711 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:42:20,712 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:42:20,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0ae1ce00-2d01-4a19-9f3e-6e8e2693a338/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2020-11-28 04:42:20,782 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0ae1ce00-2d01-4a19-9f3e-6e8e2693a338/bin/ukojak/data/188faa473/cc370808220442dbb0990d77459238ee/FLAGaa068f864 [2020-11-28 04:42:21,419 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:42:21,419 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0ae1ce00-2d01-4a19-9f3e-6e8e2693a338/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2020-11-28 04:42:21,441 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0ae1ce00-2d01-4a19-9f3e-6e8e2693a338/bin/ukojak/data/188faa473/cc370808220442dbb0990d77459238ee/FLAGaa068f864 [2020-11-28 04:42:21,679 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0ae1ce00-2d01-4a19-9f3e-6e8e2693a338/bin/ukojak/data/188faa473/cc370808220442dbb0990d77459238ee [2020-11-28 04:42:21,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:42:21,683 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:42:21,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:21,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:42:21,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:42:21,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:21" (1/1) ... [2020-11-28 04:42:21,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b042014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:21, skipping insertion in model container [2020-11-28 04:42:21,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:21" (1/1) ... [2020-11-28 04:42:21,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:42:21,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:42:22,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:42:22,084 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:42:22,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:42:22,248 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:42:22,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22 WrapperNode [2020-11-28 04:42:22,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:22,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:42:22,250 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:42:22,250 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:42:22,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:42:22,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:42:22,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:42:22,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:42:22,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... [2020-11-28 04:42:22,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:42:22,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:42:22,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:42:22,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:42:22,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0ae1ce00-2d01-4a19-9f3e-6e8e2693a338/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 [2020-11-28 04:42:22,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:42:22,460 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:42:22,460 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:42:22,461 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:42:22,461 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:42:22,461 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:42:22,461 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:42:22,461 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:42:22,462 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:42:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:42:22,462 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:42:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:42:22,462 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:42:22,463 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-28 04:42:22,463 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-28 04:42:22,463 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:42:22,463 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:42:22,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:42:22,464 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:42:22,464 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:42:22,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:42:22,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:42:23,941 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:42:23,942 INFO L298 CfgBuilder]: Removed 34 assume(true) statements. [2020-11-28 04:42:23,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:23 BoogieIcfgContainer [2020-11-28 04:42:23,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:42:23,944 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:42:23,944 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:42:23,955 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:42:23,955 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:23" (1/1) ... [2020-11-28 04:42:23,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:42:23,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:24,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 63 states and 82 transitions. [2020-11-28 04:42:24,005 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2020-11-28 04:42:24,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:42:24,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:24,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:24,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:24,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2020-11-28 04:42:24,331 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2020-11-28 04:42:24,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:42:24,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:24,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:24,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:24,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 65 states and 83 transitions. [2020-11-28 04:42:24,517 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2020-11-28 04:42:24,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 04:42:24,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:24,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:24,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:24,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 74 states and 100 transitions. [2020-11-28 04:42:24,897 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2020-11-28 04:42:24,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:42:24,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:24,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:24,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:24,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 75 states and 101 transitions. [2020-11-28 04:42:24,983 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 101 transitions. [2020-11-28 04:42:24,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:42:24,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:25,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:25,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:25,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 76 states and 102 transitions. [2020-11-28 04:42:25,083 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2020-11-28 04:42:25,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:42:25,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:25,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:25,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:25,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 91 states and 131 transitions. [2020-11-28 04:42:25,791 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 131 transitions. [2020-11-28 04:42:25,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-28 04:42:25,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:25,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:25,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:25,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 92 states and 132 transitions. [2020-11-28 04:42:25,861 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 132 transitions. [2020-11-28 04:42:25,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-28 04:42:25,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:26,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:27,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:27,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 110 states and 171 transitions. [2020-11-28 04:42:27,599 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 171 transitions. [2020-11-28 04:42:27,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:42:27,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:27,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:28,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:28,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 112 states and 176 transitions. [2020-11-28 04:42:28,091 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 176 transitions. [2020-11-28 04:42:28,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:42:28,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:28,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:42:28,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:28,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 110 states and 170 transitions. [2020-11-28 04:42:28,187 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 170 transitions. [2020-11-28 04:42:28,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 04:42:28,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:28,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:42:28,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:28,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 111 states and 171 transitions. [2020-11-28 04:42:28,274 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 171 transitions. [2020-11-28 04:42:28,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:42:28,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:28,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:42:28,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:28,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 116 states and 180 transitions. [2020-11-28 04:42:28,542 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 180 transitions. [2020-11-28 04:42:28,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:42:28,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:28,605 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:42:28,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:28,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 121 states and 189 transitions. [2020-11-28 04:42:28,748 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 189 transitions. [2020-11-28 04:42:28,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:42:28,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:28,831 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:42:28,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:28,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 122 states and 190 transitions. [2020-11-28 04:42:28,874 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 190 transitions. [2020-11-28 04:42:28,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:42:28,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:29,222 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:42:30,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:30,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 125 states and 197 transitions. [2020-11-28 04:42:30,466 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 197 transitions. [2020-11-28 04:42:30,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:42:30,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:30,516 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:42:30,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:30,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 128 states and 203 transitions. [2020-11-28 04:42:30,836 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 203 transitions. [2020-11-28 04:42:30,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 04:42:30,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:30,876 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-28 04:42:32,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:32,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 134 states and 221 transitions. [2020-11-28 04:42:32,314 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 221 transitions. [2020-11-28 04:42:32,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-28 04:42:32,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:32,377 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 04:42:33,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:33,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 140 states and 234 transitions. [2020-11-28 04:42:33,209 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 234 transitions. [2020-11-28 04:42:33,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 04:42:33,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:33,252 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-28 04:42:35,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:35,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 152 states and 259 transitions. [2020-11-28 04:42:35,010 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 259 transitions. [2020-11-28 04:42:35,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-28 04:42:35,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:35,051 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-28 04:42:35,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:35,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 153 states and 260 transitions. [2020-11-28 04:42:35,073 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 260 transitions. [2020-11-28 04:42:35,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-11-28 04:42:35,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:35,115 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-28 04:42:35,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:35,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 156 states and 265 transitions. [2020-11-28 04:42:35,143 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 265 transitions. [2020-11-28 04:42:35,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-11-28 04:42:35,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:35,185 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-11-28 04:42:35,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:35,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 157 states and 266 transitions. [2020-11-28 04:42:35,235 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 266 transitions. [2020-11-28 04:42:35,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-28 04:42:35,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:42:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:42:35,282 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-28 04:42:35,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:35,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 67 states and 82 transitions. [2020-11-28 04:42:35,304 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 82 transitions. [2020-11-28 04:42:35,305 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:42:35,305 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 24 iterations. [2020-11-28 04:42:35,315 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:42:35,719 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:35,723 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:35,724 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-28 04:42:35,729 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:35,729 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:35,730 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:35,730 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-28 04:42:35,731 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-28 04:42:35,732 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:35,732 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-28 04:42:35,734 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:35,735 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:35,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:42:35 ImpRootNode [2020-11-28 04:42:35,736 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:42:35,736 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:42:35,736 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:42:35,736 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:42:35,737 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:42:23" (3/4) ... [2020-11-28 04:42:35,748 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:42:35,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-28 04:42:35,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-28 04:42:35,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:42:35,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:42:35,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-28 04:42:35,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:42:35,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:42:35,758 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:42:35,758 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-11-28 04:42:35,772 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2020-11-28 04:42:35,773 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2020-11-28 04:42:35,774 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:42:35,775 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:42:35,775 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:42:35,776 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:42:35,776 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:42:35,814 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive [2020-11-28 04:42:35,816 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-11-28 04:42:35,880 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0ae1ce00-2d01-4a19-9f3e-6e8e2693a338/bin/ukojak/witness.graphml [2020-11-28 04:42:35,880 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:42:35,882 INFO L168 Benchmark]: Toolchain (without parser) took 14198.05 ms. Allocated memory was 123.7 MB in the beginning and 264.2 MB in the end (delta: 140.5 MB). Free memory was 93.5 MB in the beginning and 184.0 MB in the end (delta: -90.5 MB). Peak memory consumption was 49.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:35,883 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 79.7 MB. Free memory is still 37.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:35,884 INFO L168 Benchmark]: CACSL2BoogieTranslator took 560.84 ms. Allocated memory is still 123.7 MB. Free memory was 93.5 MB in the beginning and 89.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:35,885 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.93 ms. Allocated memory is still 123.7 MB. Free memory was 89.5 MB in the beginning and 87.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:35,885 INFO L168 Benchmark]: Boogie Preprocessor took 63.56 ms. Allocated memory is still 123.7 MB. Free memory was 87.1 MB in the beginning and 85.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:35,886 INFO L168 Benchmark]: RCFGBuilder took 1557.11 ms. Allocated memory is still 123.7 MB. Free memory was 85.0 MB in the beginning and 57.8 MB in the end (delta: 27.2 MB). Peak memory consumption was 34.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:35,886 INFO L168 Benchmark]: CodeCheck took 11791.33 ms. Allocated memory was 123.7 MB in the beginning and 264.2 MB in the end (delta: 140.5 MB). Free memory was 57.8 MB in the beginning and 189.3 MB in the end (delta: -131.5 MB). Peak memory consumption was 114.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:35,887 INFO L168 Benchmark]: Witness Printer took 144.25 ms. Allocated memory is still 264.2 MB. Free memory was 189.3 MB in the beginning and 184.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:35,888 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 10 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.3s, OverallIterations: 24, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 185322852 SDtfs, 53130668 SDslu, 89607036 SDs, 0 SdLazy, 82582428 SolverSat, 26544916 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9151 GetRequests, 8987 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10041 ImplicationChecksByTransitivity, 7.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 973 NumberOfCodeBlocks, 973 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 950 ConstructedInterpolants, 0 QuantifiedInterpolants, 85547 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 19 PerfectInterpolantSequences, 267/277 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: 260]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive - InvariantResult [Line: 91]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && tmp == systemActive) && tmp == 1) && pumpRunning == 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 79.7 MB. Free memory is still 37.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 560.84 ms. Allocated memory is still 123.7 MB. Free memory was 93.5 MB in the beginning and 89.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.93 ms. Allocated memory is still 123.7 MB. Free memory was 89.5 MB in the beginning and 87.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.56 ms. Allocated memory is still 123.7 MB. Free memory was 87.1 MB in the beginning and 85.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1557.11 ms. Allocated memory is still 123.7 MB. Free memory was 85.0 MB in the beginning and 57.8 MB in the end (delta: 27.2 MB). Peak memory consumption was 34.0 MB. Max. memory is 16.1 GB. * CodeCheck took 11791.33 ms. Allocated memory was 123.7 MB in the beginning and 264.2 MB in the end (delta: 140.5 MB). Free memory was 57.8 MB in the beginning and 189.3 MB in the end (delta: -131.5 MB). Peak memory consumption was 114.5 MB. Max. memory is 16.1 GB. * Witness Printer took 144.25 ms. Allocated memory is still 264.2 MB. Free memory was 189.3 MB in the beginning and 184.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...