./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.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_79711bbb-9bbd-4476-8311-659a1aeb076e/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_79711bbb-9bbd-4476-8311-659a1aeb076e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_79711bbb-9bbd-4476-8311-659a1aeb076e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_79711bbb-9bbd-4476-8311-659a1aeb076e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_79711bbb-9bbd-4476-8311-659a1aeb076e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_79711bbb-9bbd-4476-8311-659a1aeb076e/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 ac889cd5e65bb2f47f07806422e2c45f6310f706 .................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:40:36,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:40:36,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:40:36,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:40:36,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:40:36,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:40:36,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:40:36,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:40:36,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:40:36,493 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:40:36,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:40:36,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:40:36,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:40:36,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:40:36,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:40:36,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:40:36,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:40:36,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:40:36,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:40:36,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:40:36,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:40:36,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:40:36,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:40:36,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:40:36,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:40:36,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:40:36,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:40:36,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:40:36,522 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:40:36,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:40:36,524 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:40:36,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:40:36,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:40:36,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:40:36,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:40:36,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:40:36,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:40:36,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:40:36,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:40:36,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:40:36,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:40:36,546 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_79711bbb-9bbd-4476-8311-659a1aeb076e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:40:36,591 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:40:36,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:40:36,593 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:40:36,593 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:40:36,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:40:36,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:40:36,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:40:36,595 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:40:36,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:40:36,595 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:40:36,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:40:36,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:40:36,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:40:36,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:40:36,597 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:40:36,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:40:36,597 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:40:36,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:40:36,598 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:40:36,598 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:40:36,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:40:36,598 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:40:36,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:40:36,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:40:36,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:40:36,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:40:36,599 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:40:36,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:40:36,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:40:36,601 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_79711bbb-9bbd-4476-8311-659a1aeb076e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_79711bbb-9bbd-4476-8311-659a1aeb076e/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac889cd5e65bb2f47f07806422e2c45f6310f706 [2020-11-28 04:40:36,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:40:36,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:40:36,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:40:36,892 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:40:36,893 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:40:36,894 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_79711bbb-9bbd-4476-8311-659a1aeb076e/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2020-11-28 04:40:36,979 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_79711bbb-9bbd-4476-8311-659a1aeb076e/bin/ukojak/data/342748d7d/71185ae3fedf48c7a3f731e11cc51398/FLAG5fd5b79d2 [2020-11-28 04:40:37,525 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:40:37,526 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_79711bbb-9bbd-4476-8311-659a1aeb076e/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2020-11-28 04:40:37,540 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_79711bbb-9bbd-4476-8311-659a1aeb076e/bin/ukojak/data/342748d7d/71185ae3fedf48c7a3f731e11cc51398/FLAG5fd5b79d2 [2020-11-28 04:40:37,827 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_79711bbb-9bbd-4476-8311-659a1aeb076e/bin/ukojak/data/342748d7d/71185ae3fedf48c7a3f731e11cc51398 [2020-11-28 04:40:37,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:40:37,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:40:37,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:40:37,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:40:37,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:40:37,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:40:37" (1/1) ... [2020-11-28 04:40:37,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f34cb32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:37, skipping insertion in model container [2020-11-28 04:40:37,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:40:37" (1/1) ... [2020-11-28 04:40:37,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:40:37,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:40:38,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:40:38,221 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:40:38,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:40:38,393 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:40:38,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:38 WrapperNode [2020-11-28 04:40:38,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:40:38,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:40:38,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:40:38,398 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:40:38,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:38" (1/1) ... [2020-11-28 04:40:38,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:38" (1/1) ... [2020-11-28 04:40:38,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:40:38,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:40:38,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:40:38,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:40:38,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:38" (1/1) ... [2020-11-28 04:40:38,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:38" (1/1) ... [2020-11-28 04:40:38,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:38" (1/1) ... [2020-11-28 04:40:38,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:38" (1/1) ... [2020-11-28 04:40:38,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:38" (1/1) ... [2020-11-28 04:40:38,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:38" (1/1) ... [2020-11-28 04:40:38,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:38" (1/1) ... [2020-11-28 04:40:38,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:40:38,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:40:38,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:40:38,566 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:40:38,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:40:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79711bbb-9bbd-4476-8311-659a1aeb076e/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:40:38,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:40:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:40:38,625 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:40:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:40:38,626 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:40:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:40:38,626 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:40:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:40:38,627 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:40:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:40:38,627 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:40:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-28 04:40:38,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-28 04:40:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:40:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:40:38,628 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:40:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:40:38,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:40:39,898 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:40:39,898 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-11-28 04:40:39,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:40:39 BoogieIcfgContainer [2020-11-28 04:40:39,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:40:39,902 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:40:39,902 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:40:39,912 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:40:39,912 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:40:39" (1/1) ... [2020-11-28 04:40:39,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:40:39,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:39,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2020-11-28 04:40:39,975 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2020-11-28 04:40:39,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:40:39,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:40,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:40:40,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:40,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2020-11-28 04:40:40,245 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2020-11-28 04:40:40,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:40:40,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:40,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:40:40,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:40,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2020-11-28 04:40:40,459 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2020-11-28 04:40:40,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:40:40,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:40,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:40:40,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:40,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 87 transitions. [2020-11-28 04:40:40,819 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2020-11-28 04:40:40,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:40:40,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:41,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:40:41,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:41,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 78 states and 118 transitions. [2020-11-28 04:40:41,762 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 118 transitions. [2020-11-28 04:40:41,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:40:41,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:41,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:40:43,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:43,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 93 states and 153 transitions. [2020-11-28 04:40:43,270 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 153 transitions. [2020-11-28 04:40:43,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:40:43,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:43,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:40:43,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:43,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 95 states and 155 transitions. [2020-11-28 04:40:43,484 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 155 transitions. [2020-11-28 04:40:43,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:40:43,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:43,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:40:43,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:43,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 103 states and 171 transitions. [2020-11-28 04:40:43,730 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 171 transitions. [2020-11-28 04:40:43,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:40:43,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:43,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:40:43,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:43,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 105 states and 173 transitions. [2020-11-28 04:40:43,910 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 173 transitions. [2020-11-28 04:40:43,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:40:43,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:43,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:40:44,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:44,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 109 states and 180 transitions. [2020-11-28 04:40:44,068 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 180 transitions. [2020-11-28 04:40:44,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 04:40:44,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:44,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:44,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:40:44,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:44,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 110 states and 180 transitions. [2020-11-28 04:40:44,173 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 180 transitions. [2020-11-28 04:40:44,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:40:44,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:44,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:44,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:40:44,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:44,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 111 states and 181 transitions. [2020-11-28 04:40:44,243 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 181 transitions. [2020-11-28 04:40:44,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:40:44,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:44,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:40:44,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:44,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 116 states and 191 transitions. [2020-11-28 04:40:44,480 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 191 transitions. [2020-11-28 04:40:44,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 04:40:44,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:44,797 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:40:45,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:45,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 119 states and 199 transitions. [2020-11-28 04:40:45,612 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 199 transitions. [2020-11-28 04:40:45,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:40:45,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:45,653 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:40:46,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:46,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 127 states and 214 transitions. [2020-11-28 04:40:46,417 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 214 transitions. [2020-11-28 04:40:46,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:40:46,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:46,452 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:40:46,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:46,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 132 states and 224 transitions. [2020-11-28 04:40:46,610 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 224 transitions. [2020-11-28 04:40:46,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:40:46,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:46,646 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:40:46,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:46,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 133 states and 225 transitions. [2020-11-28 04:40:46,665 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 225 transitions. [2020-11-28 04:40:46,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:40:46,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:46,718 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:40:47,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:47,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 136 states and 232 transitions. [2020-11-28 04:40:47,047 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 232 transitions. [2020-11-28 04:40:47,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:40:47,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:47,298 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:40:49,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:49,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 149 states and 257 transitions. [2020-11-28 04:40:49,408 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 257 transitions. [2020-11-28 04:40:49,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:40:49,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:49,481 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-28 04:40:50,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:50,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 155 states and 273 transitions. [2020-11-28 04:40:50,715 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 273 transitions. [2020-11-28 04:40:50,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:40:50,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:50,770 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-28 04:40:50,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:50,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 156 states and 275 transitions. [2020-11-28 04:40:50,925 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 275 transitions. [2020-11-28 04:40:50,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-28 04:40:50,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:51,067 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:40:52,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:52,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 163 states and 287 transitions. [2020-11-28 04:40:52,124 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 287 transitions. [2020-11-28 04:40:52,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-28 04:40:52,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:52,174 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-28 04:40:52,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:52,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 166 states and 292 transitions. [2020-11-28 04:40:52,200 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 292 transitions. [2020-11-28 04:40:52,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-28 04:40:52,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:52,255 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:40:52,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:52,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 167 states and 293 transitions. [2020-11-28 04:40:52,283 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 293 transitions. [2020-11-28 04:40:52,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-28 04:40:52,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:52,320 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-11-28 04:40:52,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:52,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 168 states and 294 transitions. [2020-11-28 04:40:52,346 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 294 transitions. [2020-11-28 04:40:52,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-28 04:40:52,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:40:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:40:52,384 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-28 04:40:52,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:40:52,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 55 states and 66 transitions. [2020-11-28 04:40:52,409 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2020-11-28 04:40:52,409 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:40:52,409 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2020-11-28 04:40:52,416 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:40:52,716 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:40:52,719 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-28 04:40:52,722 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:40:52,723 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:40:52,723 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:40:52,723 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:40:52,723 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-28 04:40:52,724 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:40:52,724 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:40:52,724 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:40:52,724 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-28 04:40:52,725 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:40:52,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:40:52 ImpRootNode [2020-11-28 04:40:52,725 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:40:52,726 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:40:52,726 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:40:52,726 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:40:52,727 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:40:39" (3/4) ... [2020-11-28 04:40:52,730 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:40:52,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:40:52,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:40:52,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:40:52,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-28 04:40:52,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:40:52,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:40:52,736 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-11-28 04:40:52,743 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2020-11-28 04:40:52,743 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 04:40:52,744 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:40:52,744 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:40:52,745 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:40:52,745 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:40:52,746 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:40:52,771 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive [2020-11-28 04:40:52,826 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_79711bbb-9bbd-4476-8311-659a1aeb076e/bin/ukojak/witness.graphml [2020-11-28 04:40:52,826 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:40:52,828 INFO L168 Benchmark]: Toolchain (without parser) took 14996.63 ms. Allocated memory was 88.1 MB in the beginning and 232.8 MB in the end (delta: 144.7 MB). Free memory was 56.5 MB in the beginning and 88.2 MB in the end (delta: -31.7 MB). Peak memory consumption was 113.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:52,828 INFO L168 Benchmark]: CDTParser took 0.85 ms. Allocated memory is still 88.1 MB. Free memory was 47.3 MB in the beginning and 47.2 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:40:52,829 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.06 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 56.3 MB in the beginning and 75.3 MB in the end (delta: -19.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:52,829 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.10 ms. Allocated memory is still 109.1 MB. Free memory was 75.3 MB in the beginning and 72.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:52,830 INFO L168 Benchmark]: Boogie Preprocessor took 68.12 ms. Allocated memory is still 109.1 MB. Free memory was 72.8 MB in the beginning and 71.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:52,830 INFO L168 Benchmark]: RCFGBuilder took 1348.38 ms. Allocated memory is still 109.1 MB. Free memory was 70.8 MB in the beginning and 76.8 MB in the end (delta: -6.0 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:52,837 INFO L168 Benchmark]: CodeCheck took 12823.82 ms. Allocated memory was 109.1 MB in the beginning and 232.8 MB in the end (delta: 123.7 MB). Free memory was 76.2 MB in the beginning and 93.4 MB in the end (delta: -17.2 MB). Peak memory consumption was 105.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:52,838 INFO L168 Benchmark]: Witness Printer took 100.31 ms. Allocated memory is still 232.8 MB. Free memory was 93.4 MB in the beginning and 88.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:40:52,840 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 8 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.4s, OverallIterations: 26, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 791443220 SDtfs, 287875428 SDslu, 582736740 SDs, 0 SdLazy, 624268948 SolverSat, 208970476 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9851 GetRequests, 9664 SyntacticMatches, 3 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13599 ImplicationChecksByTransitivity, 8.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1009 NumberOfCodeBlocks, 1009 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 984 ConstructedInterpolants, 0 QuantifiedInterpolants, 85273 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 19 PerfectInterpolantSequences, 311/337 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 0 == systemActive - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: !(0 == tmp) || methaneLevelCritical == tmp - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: ((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85 ms. Allocated memory is still 88.1 MB. Free memory was 47.3 MB in the beginning and 47.2 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 563.06 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 56.3 MB in the beginning and 75.3 MB in the end (delta: -19.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.10 ms. Allocated memory is still 109.1 MB. Free memory was 75.3 MB in the beginning and 72.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 68.12 ms. Allocated memory is still 109.1 MB. Free memory was 72.8 MB in the beginning and 71.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1348.38 ms. Allocated memory is still 109.1 MB. Free memory was 70.8 MB in the beginning and 76.8 MB in the end (delta: -6.0 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. * CodeCheck took 12823.82 ms. Allocated memory was 109.1 MB in the beginning and 232.8 MB in the end (delta: 123.7 MB). Free memory was 76.2 MB in the beginning and 93.4 MB in the end (delta: -17.2 MB). Peak memory consumption was 105.1 MB. Max. memory is 16.1 GB. * Witness Printer took 100.31 ms. Allocated memory is still 232.8 MB. Free memory was 93.4 MB in the beginning and 88.2 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...