./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1a6fa54e-8c82-4af6-8d0b-83d07aa0d8be/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1a6fa54e-8c82-4af6-8d0b-83d07aa0d8be/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1a6fa54e-8c82-4af6-8d0b-83d07aa0d8be/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1a6fa54e-8c82-4af6-8d0b-83d07aa0d8be/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1a6fa54e-8c82-4af6-8d0b-83d07aa0d8be/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1a6fa54e-8c82-4af6-8d0b-83d07aa0d8be/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 0.2.0-69874e2 [2020-12-01 17:53:33,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:53:33,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:53:33,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:53:33,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:53:33,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:53:33,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:53:33,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:53:33,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:53:33,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:53:33,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:53:33,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:53:33,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:53:33,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:53:33,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:53:33,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:53:33,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:53:33,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:53:33,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:53:33,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:53:33,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:53:33,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:53:33,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:53:33,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:53:33,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:53:33,943 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:53:33,944 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:53:33,946 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:53:33,947 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:53:33,949 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:53:33,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:53:33,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:53:33,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:53:33,956 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:53:33,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:53:33,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:53:33,959 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:53:33,960 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:53:33,960 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:53:33,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:53:33,962 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:53:33,965 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1a6fa54e-8c82-4af6-8d0b-83d07aa0d8be/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:53:34,005 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:53:34,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:53:34,006 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:53:34,007 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:53:34,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:53:34,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:53:34,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:53:34,009 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:53:34,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:53:34,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:53:34,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:53:34,010 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:53:34,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:53:34,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:53:34,011 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:53:34,011 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:53:34,011 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:53:34,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:53:34,012 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:53:34,012 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:53:34,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:53:34,013 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:53:34,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:53:34,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:53:34,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:53:34,014 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:53:34,015 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:53:34,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:53:34,015 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:53:34,016 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_1a6fa54e-8c82-4af6-8d0b-83d07aa0d8be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1a6fa54e-8c82-4af6-8d0b-83d07aa0d8be/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b67757251629fd1bffeb4ee115ae4af5ebdd6873 [2020-12-01 17:53:34,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:53:34,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:53:34,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:53:34,406 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:53:34,407 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:53:34,408 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1a6fa54e-8c82-4af6-8d0b-83d07aa0d8be/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2020-12-01 17:53:34,504 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1a6fa54e-8c82-4af6-8d0b-83d07aa0d8be/bin/ukojak/data/5589038f7/d7dc5ef4349f40bd91e7b8974ae353b5/FLAG214d86445 [2020-12-01 17:53:35,212 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:53:35,213 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1a6fa54e-8c82-4af6-8d0b-83d07aa0d8be/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2020-12-01 17:53:35,231 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1a6fa54e-8c82-4af6-8d0b-83d07aa0d8be/bin/ukojak/data/5589038f7/d7dc5ef4349f40bd91e7b8974ae353b5/FLAG214d86445 [2020-12-01 17:53:35,424 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1a6fa54e-8c82-4af6-8d0b-83d07aa0d8be/bin/ukojak/data/5589038f7/d7dc5ef4349f40bd91e7b8974ae353b5 [2020-12-01 17:53:35,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:53:35,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:53:35,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:53:35,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:53:35,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:53:35,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:53:35" (1/1) ... [2020-12-01 17:53:35,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@768cb0f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:35, skipping insertion in model container [2020-12-01 17:53:35,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:53:35" (1/1) ... [2020-12-01 17:53:35,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:53:35,535 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:53:35,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:53:35,898 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:53:36,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:53:36,096 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:53:36,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:36 WrapperNode [2020-12-01 17:53:36,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:53:36,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:53:36,099 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:53:36,099 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:53:36,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:36" (1/1) ... [2020-12-01 17:53:36,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:36" (1/1) ... [2020-12-01 17:53:36,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:53:36,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:53:36,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:53:36,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:53:36,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:36" (1/1) ... [2020-12-01 17:53:36,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:36" (1/1) ... [2020-12-01 17:53:36,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:36" (1/1) ... [2020-12-01 17:53:36,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:36" (1/1) ... [2020-12-01 17:53:36,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:36" (1/1) ... [2020-12-01 17:53:36,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:36" (1/1) ... [2020-12-01 17:53:36,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:36" (1/1) ... [2020-12-01 17:53:36,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:53:36,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:53:36,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:53:36,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:53:36,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:53:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a6fa54e-8c82-4af6-8d0b-83d07aa0d8be/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:53:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:53:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 17:53:36,350 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 17:53:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 17:53:36,350 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 17:53:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 17:53:36,351 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 17:53:36,351 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 17:53:36,351 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 17:53:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 17:53:36,352 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 17:53:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:53:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 17:53:36,353 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 17:53:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:53:36,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:53:37,872 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:53:37,872 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-12-01 17:53:37,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:53:37 BoogieIcfgContainer [2020-12-01 17:53:37,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:53:37,876 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:53:37,876 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:53:37,890 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:53:37,890 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:53:37" (1/1) ... [2020-12-01 17:53:37,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:53:37,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:37,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2020-12-01 17:53:37,962 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2020-12-01 17:53:37,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:53:37,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:38,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:38,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:38,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2020-12-01 17:53:38,348 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2020-12-01 17:53:38,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:53:38,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:38,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:38,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:38,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2020-12-01 17:53:38,613 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2020-12-01 17:53:38,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:53:38,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:38,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:39,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:39,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 59 states and 81 transitions. [2020-12-01 17:53:39,076 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2020-12-01 17:53:39,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:53:39,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:39,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:39,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:39,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 74 states and 111 transitions. [2020-12-01 17:53:39,905 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2020-12-01 17:53:39,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:53:39,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:39,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:40,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:40,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2020-12-01 17:53:40,166 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2020-12-01 17:53:40,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:53:40,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:40,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:41,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:41,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 96 states and 159 transitions. [2020-12-01 17:53:41,599 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 159 transitions. [2020-12-01 17:53:41,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:53:41,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:41,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:41,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:41,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 101 states and 167 transitions. [2020-12-01 17:53:41,918 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 167 transitions. [2020-12-01 17:53:41,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:53:41,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:41,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:53:42,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:42,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 103 states and 169 transitions. [2020-12-01 17:53:42,148 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 169 transitions. [2020-12-01 17:53:42,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 17:53:42,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:42,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:53:42,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:42,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 108 states and 179 transitions. [2020-12-01 17:53:42,390 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 179 transitions. [2020-12-01 17:53:42,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 17:53:42,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:42,459 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:53:42,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:42,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 109 states and 180 transitions. [2020-12-01 17:53:42,479 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 180 transitions. [2020-12-01 17:53:42,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 17:53:42,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:42,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:53:42,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:42,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 110 states and 182 transitions. [2020-12-01 17:53:42,727 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 182 transitions. [2020-12-01 17:53:42,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 17:53:42,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:42,793 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:53:42,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:42,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 115 states and 192 transitions. [2020-12-01 17:53:42,935 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 192 transitions. [2020-12-01 17:53:42,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 17:53:42,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:42,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:43,008 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:53:43,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:43,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 116 states and 193 transitions. [2020-12-01 17:53:43,030 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 193 transitions. [2020-12-01 17:53:43,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 17:53:43,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:43,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:43,408 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:53:44,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:44,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 119 states and 200 transitions. [2020-12-01 17:53:44,224 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 200 transitions. [2020-12-01 17:53:44,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 17:53:44,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:44,261 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:53:44,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:44,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 127 states and 214 transitions. [2020-12-01 17:53:44,873 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 214 transitions. [2020-12-01 17:53:44,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 17:53:44,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:44,917 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:53:45,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:45,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 130 states and 221 transitions. [2020-12-01 17:53:45,179 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 221 transitions. [2020-12-01 17:53:45,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 17:53:45,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:45,311 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:53:47,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:47,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 143 states and 247 transitions. [2020-12-01 17:53:47,011 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 247 transitions. [2020-12-01 17:53:47,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 17:53:47,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:47,072 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-01 17:53:48,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:48,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 149 states and 262 transitions. [2020-12-01 17:53:48,201 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 262 transitions. [2020-12-01 17:53:48,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 17:53:48,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:48,244 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 17:53:48,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:48,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 151 states and 263 transitions. [2020-12-01 17:53:48,263 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 263 transitions. [2020-12-01 17:53:48,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 17:53:48,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:48,384 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:53:49,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:49,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 158 states and 274 transitions. [2020-12-01 17:53:49,301 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 274 transitions. [2020-12-01 17:53:49,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 17:53:49,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:49,345 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 17:53:49,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:49,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 161 states and 279 transitions. [2020-12-01 17:53:49,365 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 279 transitions. [2020-12-01 17:53:49,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 17:53:49,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:49,412 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:53:49,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:49,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 162 states and 280 transitions. [2020-12-01 17:53:49,438 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 280 transitions. [2020-12-01 17:53:49,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 17:53:49,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:49,484 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-12-01 17:53:49,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:49,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 163 states and 281 transitions. [2020-12-01 17:53:49,513 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 281 transitions. [2020-12-01 17:53:49,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 17:53:49,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:49,555 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 17:53:49,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:49,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 55 states and 66 transitions. [2020-12-01 17:53:49,574 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2020-12-01 17:53:49,574 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:53:49,574 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2020-12-01 17:53:49,582 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:53:49,887 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:53:49,891 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-12-01 17:53:49,896 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:53:49,896 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:53:49,897 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-12-01 17:53:49,898 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:53:49,898 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:53:49,899 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:53:49,899 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:53:49,899 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:53:49,899 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:53:49,900 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-12-01 17:53:49,901 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:53:49,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:53:49 ImpRootNode [2020-12-01 17:53:49,902 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:53:49,903 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:53:49,903 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:53:49,903 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:53:49,904 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:53:37" (3/4) ... [2020-12-01 17:53:49,909 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:53:49,915 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-12-01 17:53:49,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 17:53:49,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-12-01 17:53:49,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 17:53:49,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 17:53:49,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 17:53:49,926 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2020-12-01 17:53:49,927 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-01 17:53:49,927 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 17:53:49,928 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 17:53:49,929 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 17:53:49,929 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:53:49,930 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:53:49,961 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive [2020-12-01 17:53:50,013 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1a6fa54e-8c82-4af6-8d0b-83d07aa0d8be/bin/ukojak/witness.graphml [2020-12-01 17:53:50,013 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:53:50,015 INFO L168 Benchmark]: Toolchain (without parser) took 14580.71 ms. Allocated memory was 81.8 MB in the beginning and 281.0 MB in the end (delta: 199.2 MB). Free memory was 48.4 MB in the beginning and 227.3 MB in the end (delta: -179.0 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:53:50,016 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 81.8 MB. Free memory was 40.1 MB in the beginning and 40.0 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:53:50,017 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.36 ms. Allocated memory was 81.8 MB in the beginning and 109.1 MB in the end (delta: 27.3 MB). Free memory was 48.2 MB in the beginning and 75.4 MB in the end (delta: -27.2 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:53:50,017 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.52 ms. Allocated memory is still 109.1 MB. Free memory was 75.4 MB in the beginning and 73.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:53:50,018 INFO L168 Benchmark]: Boogie Preprocessor took 64.52 ms. Allocated memory is still 109.1 MB. Free memory was 73.0 MB in the beginning and 71.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:53:50,018 INFO L168 Benchmark]: RCFGBuilder took 1642.75 ms. Allocated memory is still 109.1 MB. Free memory was 71.2 MB in the beginning and 66.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:53:50,019 INFO L168 Benchmark]: CodeCheck took 12026.37 ms. Allocated memory was 109.1 MB in the beginning and 281.0 MB in the end (delta: 172.0 MB). Free memory was 66.2 MB in the beginning and 232.6 MB in the end (delta: -166.4 MB). Peak memory consumption was 119.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:53:50,019 INFO L168 Benchmark]: Witness Printer took 110.74 ms. Allocated memory is still 281.0 MB. Free memory was 232.6 MB in the beginning and 227.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:53:50,022 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: 11.6s, OverallIterations: 25, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 391890708 SDtfs, 144359844 SDslu, 271203940 SDs, 0 SdLazy, 303844564 SolverSat, 102388652 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9127 GetRequests, 8942 SyntacticMatches, 3 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13229 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 936 NumberOfCodeBlocks, 936 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 912 ConstructedInterpolants, 0 QuantifiedInterpolants, 78079 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 18 PerfectInterpolantSequences, 311/337 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 0.35 ms. Allocated memory is still 81.8 MB. Free memory was 40.1 MB in the beginning and 40.0 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 662.36 ms. Allocated memory was 81.8 MB in the beginning and 109.1 MB in the end (delta: 27.3 MB). Free memory was 48.2 MB in the beginning and 75.4 MB in the end (delta: -27.2 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.52 ms. Allocated memory is still 109.1 MB. Free memory was 75.4 MB in the beginning and 73.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 64.52 ms. Allocated memory is still 109.1 MB. Free memory was 73.0 MB in the beginning and 71.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1642.75 ms. Allocated memory is still 109.1 MB. Free memory was 71.2 MB in the beginning and 66.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. * CodeCheck took 12026.37 ms. Allocated memory was 109.1 MB in the beginning and 281.0 MB in the end (delta: 172.0 MB). Free memory was 66.2 MB in the beginning and 232.6 MB in the end (delta: -166.4 MB). Peak memory consumption was 119.8 MB. Max. memory is 16.1 GB. * Witness Printer took 110.74 ms. Allocated memory is still 281.0 MB. Free memory was 232.6 MB in the beginning and 227.3 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...