./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product29.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_f8bddd39-6eb8-4fba-8de6-97b7131d0f11/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f8bddd39-6eb8-4fba-8de6-97b7131d0f11/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f8bddd39-6eb8-4fba-8de6-97b7131d0f11/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f8bddd39-6eb8-4fba-8de6-97b7131d0f11/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f8bddd39-6eb8-4fba-8de6-97b7131d0f11/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f8bddd39-6eb8-4fba-8de6-97b7131d0f11/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 db34ce7f2561b6e02b8ca3433870fb499d17b965 ............................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:14:31,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:14:31,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:14:31,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:14:31,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:14:31,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:14:31,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:14:31,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:14:31,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:14:31,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:14:31,402 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:14:31,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:14:31,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:14:31,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:14:31,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:14:31,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:14:31,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:14:31,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:14:31,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:14:31,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:14:31,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:14:31,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:14:31,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:14:31,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:14:31,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:14:31,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:14:31,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:14:31,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:14:31,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:14:31,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:14:31,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:14:31,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:14:31,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:14:31,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:14:31,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:14:31,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:14:31,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:14:31,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:14:31,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:14:31,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:14:31,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:14:31,446 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f8bddd39-6eb8-4fba-8de6-97b7131d0f11/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:14:31,483 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:14:31,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:14:31,486 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:14:31,486 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:14:31,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:14:31,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:14:31,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:14:31,488 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:14:31,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:14:31,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:14:31,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:14:31,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:14:31,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:14:31,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:14:31,491 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:14:31,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:14:31,491 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:14:31,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:14:31,491 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:14:31,492 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:14:31,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:14:31,492 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:14:31,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:14:31,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:14:31,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:14:31,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:14:31,493 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:14:31,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:14:31,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:14:31,493 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_f8bddd39-6eb8-4fba-8de6-97b7131d0f11/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f8bddd39-6eb8-4fba-8de6-97b7131d0f11/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db34ce7f2561b6e02b8ca3433870fb499d17b965 [2020-12-01 16:14:31,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:14:31,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:14:31,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:14:31,808 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:14:31,810 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:14:31,811 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f8bddd39-6eb8-4fba-8de6-97b7131d0f11/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c [2020-12-01 16:14:31,898 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f8bddd39-6eb8-4fba-8de6-97b7131d0f11/bin/ukojak/data/fe31c738e/17f7a175cc974d15911b0230d338fb05/FLAG6b859e537 [2020-12-01 16:14:32,441 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:14:32,442 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f8bddd39-6eb8-4fba-8de6-97b7131d0f11/sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c [2020-12-01 16:14:32,455 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f8bddd39-6eb8-4fba-8de6-97b7131d0f11/bin/ukojak/data/fe31c738e/17f7a175cc974d15911b0230d338fb05/FLAG6b859e537 [2020-12-01 16:14:32,737 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f8bddd39-6eb8-4fba-8de6-97b7131d0f11/bin/ukojak/data/fe31c738e/17f7a175cc974d15911b0230d338fb05 [2020-12-01 16:14:32,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:14:32,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:14:32,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:14:32,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:14:32,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:14:32,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:14:32" (1/1) ... [2020-12-01 16:14:32,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43b6a4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:32, skipping insertion in model container [2020-12-01 16:14:32,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:14:32" (1/1) ... [2020-12-01 16:14:32,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:14:32,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:14:33,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:14:33,183 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:14:33,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:14:33,342 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:14:33,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:33 WrapperNode [2020-12-01 16:14:33,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:14:33,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:14:33,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:14:33,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:14:33,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:33" (1/1) ... [2020-12-01 16:14:33,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:33" (1/1) ... [2020-12-01 16:14:33,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:14:33,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:14:33,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:14:33,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:14:33,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:33" (1/1) ... [2020-12-01 16:14:33,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:33" (1/1) ... [2020-12-01 16:14:33,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:33" (1/1) ... [2020-12-01 16:14:33,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:33" (1/1) ... [2020-12-01 16:14:33,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:33" (1/1) ... [2020-12-01 16:14:33,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:33" (1/1) ... [2020-12-01 16:14:33,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:33" (1/1) ... [2020-12-01 16:14:33,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:14:33,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:14:33,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:14:33,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:14:33,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:14:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8bddd39-6eb8-4fba-8de6-97b7131d0f11/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 16:14:33,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:14:33,524 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 16:14:33,525 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 16:14:33,525 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 16:14:33,525 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 16:14:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 16:14:33,526 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 16:14:33,526 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 16:14:33,526 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 16:14:33,527 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 16:14:33,527 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 16:14:33,528 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 16:14:33,528 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 16:14:33,528 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-12-01 16:14:33,528 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-12-01 16:14:33,528 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 16:14:33,528 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 16:14:33,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:14:33,528 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 16:14:33,528 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 16:14:33,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:14:33,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:14:34,839 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:14:34,839 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-12-01 16:14:34,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:14:34 BoogieIcfgContainer [2020-12-01 16:14:34,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:14:34,843 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:14:34,843 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:14:34,854 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:14:34,854 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:14:34" (1/1) ... [2020-12-01 16:14:34,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:14:34,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:34,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 64 states and 84 transitions. [2020-12-01 16:14:34,907 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2020-12-01 16:14:34,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:14:34,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:35,136 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 16:14:35,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:35,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 64 states and 82 transitions. [2020-12-01 16:14:35,163 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2020-12-01 16:14:35,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 16:14:35,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:35,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:35,320 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 16:14:35,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:35,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 66 states and 85 transitions. [2020-12-01 16:14:35,353 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2020-12-01 16:14:35,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:14:35,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:35,520 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 16:14:35,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:35,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 75 states and 102 transitions. [2020-12-01 16:14:35,771 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 102 transitions. [2020-12-01 16:14:35,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:14:35,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:35,887 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 16:14:35,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:35,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 76 states and 103 transitions. [2020-12-01 16:14:35,907 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 103 transitions. [2020-12-01 16:14:35,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:14:35,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:36,008 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 16:14:36,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:36,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 77 states and 104 transitions. [2020-12-01 16:14:36,030 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 104 transitions. [2020-12-01 16:14:36,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:14:36,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:36,172 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 16:14:36,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:36,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 92 states and 133 transitions. [2020-12-01 16:14:36,690 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 133 transitions. [2020-12-01 16:14:36,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:14:36,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:36,733 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 16:14:36,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:36,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 93 states and 134 transitions. [2020-12-01 16:14:36,750 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 134 transitions. [2020-12-01 16:14:36,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:14:36,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:36,909 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 16:14:38,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:38,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 111 states and 173 transitions. [2020-12-01 16:14:38,576 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 173 transitions. [2020-12-01 16:14:38,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:14:38,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:38,691 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 16:14:38,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:38,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 113 states and 178 transitions. [2020-12-01 16:14:38,978 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 178 transitions. [2020-12-01 16:14:38,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:14:38,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:39,050 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 16:14:39,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:39,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 111 states and 172 transitions. [2020-12-01 16:14:39,072 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 172 transitions. [2020-12-01 16:14:39,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:14:39,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:39,136 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 16:14:39,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:39,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 116 states and 181 transitions. [2020-12-01 16:14:39,341 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 181 transitions. [2020-12-01 16:14:39,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 16:14:39,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:39,378 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 16:14:39,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:39,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 117 states and 182 transitions. [2020-12-01 16:14:39,393 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 182 transitions. [2020-12-01 16:14:39,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:14:39,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:39,431 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 16:14:39,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:39,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 122 states and 191 transitions. [2020-12-01 16:14:39,550 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 191 transitions. [2020-12-01 16:14:39,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:14:39,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:39,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:39,598 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 16:14:39,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:39,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 123 states and 192 transitions. [2020-12-01 16:14:39,617 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 192 transitions. [2020-12-01 16:14:39,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:14:39,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:39,950 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 16:14:41,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:41,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 126 states and 200 transitions. [2020-12-01 16:14:41,201 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 200 transitions. [2020-12-01 16:14:41,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:14:41,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:41,249 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 16:14:41,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:41,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 129 states and 206 transitions. [2020-12-01 16:14:41,508 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 206 transitions. [2020-12-01 16:14:41,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 16:14:41,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:41,549 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 16:14:42,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:42,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 135 states and 225 transitions. [2020-12-01 16:14:42,781 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 225 transitions. [2020-12-01 16:14:42,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 16:14:42,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:42,826 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 16:14:44,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:44,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 147 states and 251 transitions. [2020-12-01 16:14:44,510 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 251 transitions. [2020-12-01 16:14:44,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 16:14:44,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:44,552 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 16:14:45,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:45,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 153 states and 265 transitions. [2020-12-01 16:14:45,415 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 265 transitions. [2020-12-01 16:14:45,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-01 16:14:45,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:45,490 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 16:14:45,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:45,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 154 states and 266 transitions. [2020-12-01 16:14:45,517 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 266 transitions. [2020-12-01 16:14:45,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 16:14:45,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:45,589 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-01 16:14:45,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:45,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 157 states and 271 transitions. [2020-12-01 16:14:45,613 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 271 transitions. [2020-12-01 16:14:45,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 16:14:45,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:45,682 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-12-01 16:14:45,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:45,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 158 states and 272 transitions. [2020-12-01 16:14:45,717 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 272 transitions. [2020-12-01 16:14:45,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 16:14:45,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:14:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:14:45,769 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-01 16:14:45,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:14:45,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 67 states and 82 transitions. [2020-12-01 16:14:45,792 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 82 transitions. [2020-12-01 16:14:45,792 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:14:45,792 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 24 iterations. [2020-12-01 16:14:45,802 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:14:46,113 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:14:46,118 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:14:46,118 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-12-01 16:14:46,125 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 16:14:46,126 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:14:46,126 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:14:46,127 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-12-01 16:14:46,129 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-12-01 16:14:46,131 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:14:46,131 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:14:46,132 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:14:46,132 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:14:46,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:14:46 ImpRootNode [2020-12-01 16:14:46,140 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:14:46,141 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:14:46,141 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:14:46,142 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:14:46,142 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:14:34" (3/4) ... [2020-12-01 16:14:46,155 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:14:46,160 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-12-01 16:14:46,160 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-12-01 16:14:46,161 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 16:14:46,161 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 16:14:46,161 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-12-01 16:14:46,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 16:14:46,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 16:14:46,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-12-01 16:14:46,163 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-12-01 16:14:46,181 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2020-12-01 16:14:46,186 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-12-01 16:14:46,187 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 16:14:46,188 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 16:14:46,189 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 16:14:46,190 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:14:46,190 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:14:46,225 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive [2020-12-01 16:14:46,227 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-12-01 16:14:46,304 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f8bddd39-6eb8-4fba-8de6-97b7131d0f11/bin/ukojak/witness.graphml [2020-12-01 16:14:46,304 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:14:46,306 INFO L168 Benchmark]: Toolchain (without parser) took 13564.40 ms. Allocated memory was 77.6 MB in the beginning and 237.0 MB in the end (delta: 159.4 MB). Free memory was 45.4 MB in the beginning and 189.7 MB in the end (delta: -144.3 MB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:46,307 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 77.6 MB. Free memory was 36.8 MB in the beginning and 36.8 MB in the end (delta: 34.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:14:46,308 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.26 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 45.1 MB in the beginning and 61.9 MB in the end (delta: -16.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:46,309 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.70 ms. Allocated memory is still 94.4 MB. Free memory was 61.9 MB in the beginning and 59.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:46,311 INFO L168 Benchmark]: Boogie Preprocessor took 52.23 ms. Allocated memory is still 94.4 MB. Free memory was 59.4 MB in the beginning and 57.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:46,312 INFO L168 Benchmark]: RCFGBuilder took 1385.62 ms. Allocated memory is still 94.4 MB. Free memory was 57.5 MB in the beginning and 67.1 MB in the end (delta: -9.6 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:46,312 INFO L168 Benchmark]: CodeCheck took 11298.05 ms. Allocated memory was 94.4 MB in the beginning and 237.0 MB in the end (delta: 142.6 MB). Free memory was 67.1 MB in the beginning and 195.0 MB in the end (delta: -127.9 MB). Peak memory consumption was 131.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:46,313 INFO L168 Benchmark]: Witness Printer took 163.57 ms. Allocated memory is still 237.0 MB. Free memory was 195.0 MB in the beginning and 189.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:14:46,315 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.9s, OverallIterations: 24, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 193703268 SDtfs, 53155948 SDslu, 89650076 SDs, 0 SdLazy, 82657660 SolverSat, 26561428 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9378 GetRequests, 9214 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10046 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 996 NumberOfCodeBlocks, 996 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 973 ConstructedInterpolants, 0 QuantifiedInterpolants, 88672 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 19 PerfectInterpolantSequences, 270/280 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive - InvariantResult [Line: 91]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && tmp == systemActive) && tmp == 1) && pumpRunning == 0 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: methaneLevelCritical == tmp || !(0 == tmp) - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 77.6 MB. Free memory was 36.8 MB in the beginning and 36.8 MB in the end (delta: 34.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 601.26 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 45.1 MB in the beginning and 61.9 MB in the end (delta: -16.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.70 ms. Allocated memory is still 94.4 MB. Free memory was 61.9 MB in the beginning and 59.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.23 ms. Allocated memory is still 94.4 MB. Free memory was 59.4 MB in the beginning and 57.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1385.62 ms. Allocated memory is still 94.4 MB. Free memory was 57.5 MB in the beginning and 67.1 MB in the end (delta: -9.6 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. * CodeCheck took 11298.05 ms. Allocated memory was 94.4 MB in the beginning and 237.0 MB in the end (delta: 142.6 MB). Free memory was 67.1 MB in the beginning and 195.0 MB in the end (delta: -127.9 MB). Peak memory consumption was 131.2 MB. Max. memory is 16.1 GB. * Witness Printer took 163.57 ms. Allocated memory is still 237.0 MB. Free memory was 195.0 MB in the beginning and 189.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...