./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_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_64cc1477-f4a4-45e0-bcd7-a5435cd5dc7e/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_64cc1477-f4a4-45e0-bcd7-a5435cd5dc7e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_64cc1477-f4a4-45e0-bcd7-a5435cd5dc7e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_64cc1477-f4a4-45e0-bcd7-a5435cd5dc7e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_64cc1477-f4a4-45e0-bcd7-a5435cd5dc7e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_64cc1477-f4a4-45e0-bcd7-a5435cd5dc7e/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 66b586d6027b93241761f1d47a4909c4b4135d36 ............................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:18:41,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:18:41,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:18:41,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:18:41,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:18:41,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:18:41,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:18:41,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:18:41,564 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:18:41,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:18:41,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:18:41,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:18:41,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:18:41,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:18:41,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:18:41,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:18:41,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:18:41,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:18:41,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:18:41,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:18:41,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:18:41,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:18:41,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:18:41,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:18:41,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:18:41,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:18:41,622 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:18:41,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:18:41,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:18:41,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:18:41,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:18:41,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:18:41,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:18:41,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:18:41,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:18:41,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:18:41,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:18:41,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:18:41,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:18:41,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:18:41,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:18:41,637 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_64cc1477-f4a4-45e0-bcd7-a5435cd5dc7e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 00:18:41,662 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:18:41,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:18:41,663 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 00:18:41,663 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 00:18:41,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:18:41,664 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:18:41,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:18:41,665 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:18:41,665 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:18:41,665 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:18:41,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:18:41,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:18:41,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:18:41,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:18:41,666 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:18:41,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:18:41,667 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:18:41,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:18:41,667 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 00:18:41,668 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 00:18:41,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:18:41,668 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:18:41,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:18:41,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:18:41,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:18:41,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:18:41,669 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 00:18:41,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:18:41,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:18:41,670 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_64cc1477-f4a4-45e0-bcd7-a5435cd5dc7e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_64cc1477-f4a4-45e0-bcd7-a5435cd5dc7e/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66b586d6027b93241761f1d47a4909c4b4135d36 [2020-11-30 00:18:41,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:18:41,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:18:41,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:18:41,978 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:18:41,979 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:18:41,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_64cc1477-f4a4-45e0-bcd7-a5435cd5dc7e/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2020-11-30 00:18:42,063 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_64cc1477-f4a4-45e0-bcd7-a5435cd5dc7e/bin/ukojak/data/700b42779/99be9bd9ece84c54bc629764f78b32b9/FLAGe26ab375b [2020-11-30 00:18:42,630 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:18:42,640 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_64cc1477-f4a4-45e0-bcd7-a5435cd5dc7e/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2020-11-30 00:18:42,654 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_64cc1477-f4a4-45e0-bcd7-a5435cd5dc7e/bin/ukojak/data/700b42779/99be9bd9ece84c54bc629764f78b32b9/FLAGe26ab375b [2020-11-30 00:18:42,940 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_64cc1477-f4a4-45e0-bcd7-a5435cd5dc7e/bin/ukojak/data/700b42779/99be9bd9ece84c54bc629764f78b32b9 [2020-11-30 00:18:42,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:18:42,946 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:18:42,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:18:42,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:18:42,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:18:42,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:18:42" (1/1) ... [2020-11-30 00:18:42,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74dc5fce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:42, skipping insertion in model container [2020-11-30 00:18:42,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:18:42" (1/1) ... [2020-11-30 00:18:42,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:18:43,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:18:43,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:18:43,332 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:18:43,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:18:43,474 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:18:43,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:43 WrapperNode [2020-11-30 00:18:43,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:18:43,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:18:43,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:18:43,476 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:18:43,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:43" (1/1) ... [2020-11-30 00:18:43,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:43" (1/1) ... [2020-11-30 00:18:43,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:18:43,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:18:43,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:18:43,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:18:43,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:43" (1/1) ... [2020-11-30 00:18:43,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:43" (1/1) ... [2020-11-30 00:18:43,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:43" (1/1) ... [2020-11-30 00:18:43,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:43" (1/1) ... [2020-11-30 00:18:43,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:43" (1/1) ... [2020-11-30 00:18:43,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:43" (1/1) ... [2020-11-30 00:18:43,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:43" (1/1) ... [2020-11-30 00:18:43,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:18:43,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:18:43,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:18:43,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:18:43,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:18:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_64cc1477-f4a4-45e0-bcd7-a5435cd5dc7e/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:18:43,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:18:43,688 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-30 00:18:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-30 00:18:43,688 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-30 00:18:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-30 00:18:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-30 00:18:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-30 00:18:43,689 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-30 00:18:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-30 00:18:43,690 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-30 00:18:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-30 00:18:43,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:18:43,690 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-30 00:18:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-30 00:18:43,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:18:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:18:45,209 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:18:45,210 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-11-30 00:18:45,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:18:45 BoogieIcfgContainer [2020-11-30 00:18:45,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:18:45,213 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 00:18:45,213 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 00:18:45,224 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 00:18:45,224 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:18:45" (1/1) ... [2020-11-30 00:18:45,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:18:45,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:45,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2020-11-30 00:18:45,268 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2020-11-30 00:18:45,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 00:18:45,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:45,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:45,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:45,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 46 states and 58 transitions. [2020-11-30 00:18:45,588 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2020-11-30 00:18:45,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 00:18:45,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:45,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:45,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:45,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2020-11-30 00:18:45,762 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2020-11-30 00:18:45,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-30 00:18:45,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:45,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:46,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:46,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 57 states and 78 transitions. [2020-11-30 00:18:46,186 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2020-11-30 00:18:46,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 00:18:46,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:46,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:46,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:46,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:46,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 70 states and 107 transitions. [2020-11-30 00:18:46,956 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 107 transitions. [2020-11-30 00:18:46,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 00:18:46,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:47,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:47,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:47,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 73 states and 112 transitions. [2020-11-30 00:18:47,082 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2020-11-30 00:18:47,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 00:18:47,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:47,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:48,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:48,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 86 states and 144 transitions. [2020-11-30 00:18:48,431 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 144 transitions. [2020-11-30 00:18:48,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 00:18:48,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:48,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:48,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:48,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 90 states and 153 transitions. [2020-11-30 00:18:48,711 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 153 transitions. [2020-11-30 00:18:48,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 00:18:48,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:48,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:48,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:48,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 93 states and 154 transitions. [2020-11-30 00:18:48,924 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 154 transitions. [2020-11-30 00:18:48,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-30 00:18:48,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:48,964 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:18:49,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:49,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 99 states and 171 transitions. [2020-11-30 00:18:49,395 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 171 transitions. [2020-11-30 00:18:49,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-30 00:18:49,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:49,498 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:18:49,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:49,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 102 states and 178 transitions. [2020-11-30 00:18:49,574 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 178 transitions. [2020-11-30 00:18:49,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-30 00:18:49,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:49,641 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:18:49,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:49,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 104 states and 180 transitions. [2020-11-30 00:18:49,705 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 180 transitions. [2020-11-30 00:18:49,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-30 00:18:49,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:49,804 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:18:49,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:49,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 106 states and 183 transitions. [2020-11-30 00:18:49,899 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 183 transitions. [2020-11-30 00:18:49,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 00:18:49,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:49,939 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:18:50,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:50,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 108 states and 185 transitions. [2020-11-30 00:18:50,023 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 185 transitions. [2020-11-30 00:18:50,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-30 00:18:50,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:50,075 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:50,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:50,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 113 states and 199 transitions. [2020-11-30 00:18:50,197 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 199 transitions. [2020-11-30 00:18:50,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-30 00:18:50,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:50,239 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:50,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:50,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 114 states and 200 transitions. [2020-11-30 00:18:50,277 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 200 transitions. [2020-11-30 00:18:50,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-30 00:18:50,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:50,438 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 00:18:51,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:51,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 118 states and 215 transitions. [2020-11-30 00:18:51,623 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 215 transitions. [2020-11-30 00:18:51,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-30 00:18:51,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:51,662 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 00:18:51,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:51,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 120 states and 220 transitions. [2020-11-30 00:18:51,880 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 220 transitions. [2020-11-30 00:18:51,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 00:18:51,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:52,251 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:54,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:54,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 125 states and 238 transitions. [2020-11-30 00:18:54,343 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 238 transitions. [2020-11-30 00:18:54,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-30 00:18:54,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:54,384 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:54,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:54,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 127 states and 243 transitions. [2020-11-30 00:18:54,915 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 243 transitions. [2020-11-30 00:18:54,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-30 00:18:54,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:54,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:54,973 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 00:18:55,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:55,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 127 states and 242 transitions. [2020-11-30 00:18:55,576 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 242 transitions. [2020-11-30 00:18:55,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-30 00:18:55,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:55,623 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:18:56,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:56,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 128 states and 241 transitions. [2020-11-30 00:18:56,201 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 241 transitions. [2020-11-30 00:18:56,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-30 00:18:56,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:56,253 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 00:18:56,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:56,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 129 states and 243 transitions. [2020-11-30 00:18:56,572 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 243 transitions. [2020-11-30 00:18:56,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-30 00:18:56,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:56,623 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-30 00:18:57,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:57,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 131 states and 246 transitions. [2020-11-30 00:18:57,029 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 246 transitions. [2020-11-30 00:18:57,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-30 00:18:57,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:57,084 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-30 00:18:57,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:57,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 44 states and 60 transitions. [2020-11-30 00:18:57,102 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2020-11-30 00:18:57,103 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:18:57,103 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2020-11-30 00:18:57,112 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-30 00:18:57,405 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:18:57,410 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:18:57,410 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:18:57,410 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:18:57,410 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:18:57,411 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:18:57,411 INFO L569 CodeCheckObserver]: Invariant with dag size 13 [2020-11-30 00:18:57,416 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:18:57,417 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-30 00:18:57,419 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:18:57,420 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:18:57,420 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:18:57,420 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:18:57,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 12:18:57 ImpRootNode [2020-11-30 00:18:57,430 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 00:18:57,430 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:18:57,431 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:18:57,431 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:18:57,432 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:18:45" (3/4) ... [2020-11-30 00:18:57,445 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:18:57,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-30 00:18:57,462 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-30 00:18:57,462 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-30 00:18:57,463 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-30 00:18:57,463 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-11-30 00:18:57,463 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-11-30 00:18:57,471 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2020-11-30 00:18:57,474 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-30 00:18:57,475 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-30 00:18:57,475 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 00:18:57,476 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:18:57,477 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:18:57,477 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:18:57,510 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || !(pumpRunning == 0)) || 0 == systemActive [2020-11-30 00:18:57,551 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_64cc1477-f4a4-45e0-bcd7-a5435cd5dc7e/bin/ukojak/witness.graphml [2020-11-30 00:18:57,551 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:18:57,553 INFO L168 Benchmark]: Toolchain (without parser) took 14606.52 ms. Allocated memory was 90.2 MB in the beginning and 192.9 MB in the end (delta: 102.8 MB). Free memory was 60.0 MB in the beginning and 78.2 MB in the end (delta: -18.2 MB). Peak memory consumption was 82.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:18:57,554 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 90.2 MB. Free memory was 47.7 MB in the beginning and 47.7 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:18:57,554 INFO L168 Benchmark]: CACSL2BoogieTranslator took 526.60 ms. Allocated memory is still 90.2 MB. Free memory was 59.8 MB in the beginning and 58.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:18:57,555 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.06 ms. Allocated memory is still 90.2 MB. Free memory was 58.6 MB in the beginning and 56.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:18:57,555 INFO L168 Benchmark]: Boogie Preprocessor took 42.03 ms. Allocated memory is still 90.2 MB. Free memory was 56.0 MB in the beginning and 54.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:18:57,559 INFO L168 Benchmark]: RCFGBuilder took 1620.08 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 54.4 MB in the beginning and 86.1 MB in the end (delta: -31.7 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:18:57,560 INFO L168 Benchmark]: CodeCheck took 12216.89 ms. Allocated memory was 109.1 MB in the beginning and 192.9 MB in the end (delta: 83.9 MB). Free memory was 85.2 MB in the beginning and 82.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 86.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:18:57,560 INFO L168 Benchmark]: Witness Printer took 120.97 ms. Allocated memory is still 192.9 MB. Free memory was 82.4 MB in the beginning and 78.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:18:57,562 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.8s, OverallIterations: 25, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 317155200 SDtfs, 137337392 SDslu, 253001784 SDs, 0 SdLazy, 271732016 SolverSat, 86651664 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7539 GetRequests, 7323 SyntacticMatches, 38 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14747 ImplicationChecksByTransitivity, 8.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 702 NumberOfCodeBlocks, 702 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 678 ConstructedInterpolants, 0 QuantifiedInterpolants, 55478 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 19 PerfectInterpolantSequences, 154/176 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: 878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 621]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && tmp == systemActive) && tmp == 1) && pumpRunning == 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 90.2 MB. Free memory was 47.7 MB in the beginning and 47.7 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 526.60 ms. Allocated memory is still 90.2 MB. Free memory was 59.8 MB in the beginning and 58.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.06 ms. Allocated memory is still 90.2 MB. Free memory was 58.6 MB in the beginning and 56.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.03 ms. Allocated memory is still 90.2 MB. Free memory was 56.0 MB in the beginning and 54.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1620.08 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 54.4 MB in the beginning and 86.1 MB in the end (delta: -31.7 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. * CodeCheck took 12216.89 ms. Allocated memory was 109.1 MB in the beginning and 192.9 MB in the end (delta: 83.9 MB). Free memory was 85.2 MB in the beginning and 82.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 86.4 MB. Max. memory is 16.1 GB. * Witness Printer took 120.97 ms. Allocated memory is still 192.9 MB. Free memory was 82.4 MB in the beginning and 78.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...