./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product17.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_971fb09c-8a48-46da-a680-52b59e8ce886/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_971fb09c-8a48-46da-a680-52b59e8ce886/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_971fb09c-8a48-46da-a680-52b59e8ce886/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_971fb09c-8a48-46da-a680-52b59e8ce886/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_971fb09c-8a48-46da-a680-52b59e8ce886/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_971fb09c-8a48-46da-a680-52b59e8ce886/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 abdaf7d039f72f53757ac3024ed39e407d16dbdb ........................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:56:53,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:56:53,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:56:53,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:56:53,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:56:53,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:56:53,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:56:53,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:56:53,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:56:53,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:56:53,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:56:53,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:56:53,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:56:53,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:56:53,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:56:53,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:56:53,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:56:53,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:56:53,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:56:53,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:56:53,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:56:53,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:56:53,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:56:53,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:56:53,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:56:53,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:56:53,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:56:53,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:56:53,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:56:53,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:56:53,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:56:53,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:56:53,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:56:53,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:56:53,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:56:53,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:56:53,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:56:53,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:56:53,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:56:53,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:56:53,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:56:53,221 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_971fb09c-8a48-46da-a680-52b59e8ce886/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 00:56:53,281 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:56:53,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:56:53,283 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 00:56:53,283 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 00:56:53,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:56:53,284 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:56:53,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:56:53,285 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:56:53,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:56:53,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:56:53,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:56:53,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:56:53,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:56:53,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:56:53,288 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:56:53,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:56:53,288 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:56:53,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:56:53,289 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 00:56:53,289 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 00:56:53,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:56:53,290 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:56:53,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:56:53,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:56:53,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:56:53,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:56:53,291 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 00:56:53,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:56:53,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:56:53,294 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_971fb09c-8a48-46da-a680-52b59e8ce886/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_971fb09c-8a48-46da-a680-52b59e8ce886/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abdaf7d039f72f53757ac3024ed39e407d16dbdb [2020-11-30 00:56:53,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:56:53,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:56:53,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:56:53,735 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:56:53,747 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:56:53,748 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_971fb09c-8a48-46da-a680-52b59e8ce886/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2020-11-30 00:56:53,846 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_971fb09c-8a48-46da-a680-52b59e8ce886/bin/ukojak/data/a93f03530/cc50c57cbfc2463282feee315d914855/FLAG629fae582 [2020-11-30 00:56:54,451 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:56:54,452 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_971fb09c-8a48-46da-a680-52b59e8ce886/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2020-11-30 00:56:54,474 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_971fb09c-8a48-46da-a680-52b59e8ce886/bin/ukojak/data/a93f03530/cc50c57cbfc2463282feee315d914855/FLAG629fae582 [2020-11-30 00:56:54,745 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_971fb09c-8a48-46da-a680-52b59e8ce886/bin/ukojak/data/a93f03530/cc50c57cbfc2463282feee315d914855 [2020-11-30 00:56:54,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:56:54,749 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:56:54,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:56:54,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:56:54,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:56:54,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:56:54" (1/1) ... [2020-11-30 00:56:54,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ba02036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:54, skipping insertion in model container [2020-11-30 00:56:54,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:56:54" (1/1) ... [2020-11-30 00:56:54,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:56:54,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:56:55,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:56:55,201 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:56:55,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:56:55,334 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:56:55,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:55 WrapperNode [2020-11-30 00:56:55,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:56:55,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:56:55,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:56:55,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:56:55,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:55" (1/1) ... [2020-11-30 00:56:55,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:55" (1/1) ... [2020-11-30 00:56:55,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:56:55,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:56:55,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:56:55,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:56:55,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:55" (1/1) ... [2020-11-30 00:56:55,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:55" (1/1) ... [2020-11-30 00:56:55,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:55" (1/1) ... [2020-11-30 00:56:55,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:55" (1/1) ... [2020-11-30 00:56:55,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:55" (1/1) ... [2020-11-30 00:56:55,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:55" (1/1) ... [2020-11-30 00:56:55,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:55" (1/1) ... [2020-11-30 00:56:55,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:56:55,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:56:55,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:56:55,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:56:55,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:56:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_971fb09c-8a48-46da-a680-52b59e8ce886/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:56:55,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:56:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-30 00:56:55,566 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-30 00:56:55,567 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-30 00:56:55,567 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-30 00:56:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-30 00:56:55,568 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-30 00:56:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-30 00:56:55,568 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-30 00:56:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-30 00:56:55,570 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-30 00:56:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:56:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-30 00:56:55,570 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-30 00:56:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:56:55,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:56:57,602 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:56:57,602 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-11-30 00:56:57,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:56:57 BoogieIcfgContainer [2020-11-30 00:56:57,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:56:57,606 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 00:56:57,606 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 00:56:57,620 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 00:56:57,621 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:56:57" (1/1) ... [2020-11-30 00:56:57,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:56:57,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:56:57,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2020-11-30 00:56:57,699 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2020-11-30 00:56:57,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 00:56:57,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:56:57,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:56:58,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:56:58,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:56:58,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 46 states and 58 transitions. [2020-11-30 00:56:58,046 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2020-11-30 00:56:58,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 00:56:58,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:56:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:56:58,292 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2020-11-30 00:56:58,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:56:58,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:56:58,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2020-11-30 00:56:58,337 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2020-11-30 00:56:58,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 00:56:58,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:56:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:56:58,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:56:58,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:56:58,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 57 states and 79 transitions. [2020-11-30 00:56:58,820 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2020-11-30 00:56:58,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 00:56:58,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:56:58,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:56:58,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:56:59,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:56:59,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 67 states and 100 transitions. [2020-11-30 00:56:59,355 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2020-11-30 00:56:59,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 00:56:59,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:56:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:56:59,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:57:00,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:57:00,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 82 states and 131 transitions. [2020-11-30 00:57:00,642 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 131 transitions. [2020-11-30 00:57:00,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 00:57:00,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:57:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:00,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:57:00,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:57:00,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 83 states and 134 transitions. [2020-11-30 00:57:00,780 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 134 transitions. [2020-11-30 00:57:00,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 00:57:00,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:57:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:00,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:57:01,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:57:01,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 84 states and 135 transitions. [2020-11-30 00:57:01,022 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 135 transitions. [2020-11-30 00:57:01,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 00:57:01,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:57:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:01,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:57:01,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:57:01,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 85 states and 138 transitions. [2020-11-30 00:57:01,150 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 138 transitions. [2020-11-30 00:57:01,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 00:57:01,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:57:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:01,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:57:01,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:57:01,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 86 states and 139 transitions. [2020-11-30 00:57:01,247 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 139 transitions. [2020-11-30 00:57:01,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 00:57:01,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:57:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:01,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:57:01,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:57:01,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 87 states and 140 transitions. [2020-11-30 00:57:01,360 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 140 transitions. [2020-11-30 00:57:01,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 00:57:01,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:57:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:01,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:57:02,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:57:02,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 92 states and 147 transitions. [2020-11-30 00:57:02,149 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 147 transitions. [2020-11-30 00:57:02,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-30 00:57:02,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:57:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:02,242 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 00:57:02,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:57:02,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 97 states and 156 transitions. [2020-11-30 00:57:02,391 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 156 transitions. [2020-11-30 00:57:02,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-30 00:57:02,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:57:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:02,441 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 00:57:02,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:57:02,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 98 states and 157 transitions. [2020-11-30 00:57:02,469 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 157 transitions. [2020-11-30 00:57:02,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-30 00:57:02,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:57:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:03,123 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 00:57:04,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:57:04,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 105 states and 179 transitions. [2020-11-30 00:57:04,544 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 179 transitions. [2020-11-30 00:57:04,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-30 00:57:04,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:57:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:04,652 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-30 00:57:04,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:57:04,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 108 states and 185 transitions. [2020-11-30 00:57:04,837 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 185 transitions. [2020-11-30 00:57:04,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-30 00:57:04,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:57:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:04,907 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:57:05,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:57:05,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 117 states and 210 transitions. [2020-11-30 00:57:05,689 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 210 transitions. [2020-11-30 00:57:05,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-30 00:57:05,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:57:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:05,748 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:57:05,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:57:05,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 118 states and 211 transitions. [2020-11-30 00:57:05,820 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 211 transitions. [2020-11-30 00:57:05,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-30 00:57:05,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:57:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:05,880 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:57:06,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:57:06,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 119 states and 212 transitions. [2020-11-30 00:57:06,205 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 212 transitions. [2020-11-30 00:57:06,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-30 00:57:06,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:57:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:06,361 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:57:08,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:57:08,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 133 states and 246 transitions. [2020-11-30 00:57:08,326 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 246 transitions. [2020-11-30 00:57:08,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-30 00:57:08,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:57:08,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:08,393 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:57:09,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:57:09,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 140 states and 258 transitions. [2020-11-30 00:57:09,995 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 258 transitions. [2020-11-30 00:57:09,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-30 00:57:09,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:57:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:10,066 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:57:10,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:57:10,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 142 states and 269 transitions. [2020-11-30 00:57:10,450 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 269 transitions. [2020-11-30 00:57:10,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-30 00:57:10,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:57:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:10,500 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-30 00:57:10,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:57:10,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 145 states and 274 transitions. [2020-11-30 00:57:10,529 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 274 transitions. [2020-11-30 00:57:10,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-30 00:57:10,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:57:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:10,582 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-30 00:57:10,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:57:10,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 146 states and 275 transitions. [2020-11-30 00:57:10,627 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 275 transitions. [2020-11-30 00:57:10,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-30 00:57:10,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:57:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:57:10,703 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-30 00:57:10,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:57:10,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 53 states and 64 transitions. [2020-11-30 00:57:10,730 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2020-11-30 00:57:10,731 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:57:10,731 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2020-11-30 00:57:10,744 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-30 00:57:11,149 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:57:11,153 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:57:11,153 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:57:11,153 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:57:11,154 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:57:11,154 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-30 00:57:11,159 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:57:11,160 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:57:11,160 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:57:11,160 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:57:11,160 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-30 00:57:11,162 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-30 00:57:11,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 12:57:11 ImpRootNode [2020-11-30 00:57:11,163 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 00:57:11,164 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:57:11,164 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:57:11,164 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:57:11,165 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:56:57" (3/4) ... [2020-11-30 00:57:11,169 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:57:11,175 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-30 00:57:11,175 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-30 00:57:11,176 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-30 00:57:11,176 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-30 00:57:11,176 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-30 00:57:11,176 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-30 00:57:11,186 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2020-11-30 00:57:11,186 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-30 00:57:11,187 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-30 00:57:11,188 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 00:57:11,188 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:57:11,189 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:57:11,190 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:57:11,219 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || !(1 == systemActive) [2020-11-30 00:57:11,285 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_971fb09c-8a48-46da-a680-52b59e8ce886/bin/ukojak/witness.graphml [2020-11-30 00:57:11,286 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:57:11,289 INFO L168 Benchmark]: Toolchain (without parser) took 16538.58 ms. Allocated memory was 79.7 MB in the beginning and 211.8 MB in the end (delta: 132.1 MB). Free memory was 42.5 MB in the beginning and 160.5 MB in the end (delta: -118.0 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:57:11,290 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 79.7 MB. Free memory is still 59.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:57:11,290 INFO L168 Benchmark]: CACSL2BoogieTranslator took 574.09 ms. Allocated memory was 79.7 MB in the beginning and 98.6 MB in the end (delta: 18.9 MB). Free memory was 42.3 MB in the beginning and 67.7 MB in the end (delta: -25.3 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:57:11,291 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.24 ms. Allocated memory is still 98.6 MB. Free memory was 67.7 MB in the beginning and 64.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:57:11,292 INFO L168 Benchmark]: Boogie Preprocessor took 38.31 ms. Allocated memory is still 98.6 MB. Free memory was 64.9 MB in the beginning and 62.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:57:11,292 INFO L168 Benchmark]: RCFGBuilder took 2157.01 ms. Allocated memory is still 98.6 MB. Free memory was 62.9 MB in the beginning and 70.1 MB in the end (delta: -7.2 MB). Peak memory consumption was 38.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:57:11,293 INFO L168 Benchmark]: CodeCheck took 13557.33 ms. Allocated memory was 98.6 MB in the beginning and 211.8 MB in the end (delta: 113.2 MB). Free memory was 70.1 MB in the beginning and 165.8 MB in the end (delta: -95.7 MB). Peak memory consumption was 123.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:57:11,293 INFO L168 Benchmark]: Witness Printer took 123.11 ms. Allocated memory is still 211.8 MB. Free memory was 165.8 MB in the beginning and 160.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:57:11,296 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, 46 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.0s, OverallIterations: 25, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 371904196 SDtfs, 156283020 SDslu, 249238268 SDs, 0 SdLazy, 241847948 SolverSat, 61009412 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8556 GetRequests, 8384 SyntacticMatches, 20 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8688 ImplicationChecksByTransitivity, 8.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 877 NumberOfCodeBlocks, 877 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 853 ConstructedInterpolants, 0 QuantifiedInterpolants, 69780 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 20 PerfectInterpolantSequences, 265/275 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: 569]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive) - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || !(1 == systemActive) - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 79.7 MB. Free memory is still 59.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 574.09 ms. Allocated memory was 79.7 MB in the beginning and 98.6 MB in the end (delta: 18.9 MB). Free memory was 42.3 MB in the beginning and 67.7 MB in the end (delta: -25.3 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.24 ms. Allocated memory is still 98.6 MB. Free memory was 67.7 MB in the beginning and 64.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.31 ms. Allocated memory is still 98.6 MB. Free memory was 64.9 MB in the beginning and 62.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2157.01 ms. Allocated memory is still 98.6 MB. Free memory was 62.9 MB in the beginning and 70.1 MB in the end (delta: -7.2 MB). Peak memory consumption was 38.0 MB. Max. memory is 16.1 GB. * CodeCheck took 13557.33 ms. Allocated memory was 98.6 MB in the beginning and 211.8 MB in the end (delta: 113.2 MB). Free memory was 70.1 MB in the beginning and 165.8 MB in the end (delta: -95.7 MB). Peak memory consumption was 123.5 MB. Max. memory is 16.1 GB. * Witness Printer took 123.11 ms. Allocated memory is still 211.8 MB. Free memory was 165.8 MB in the beginning and 160.5 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...