./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2c295b7a-1ee2-4b5b-a1cc-1137f56642c9/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2c295b7a-1ee2-4b5b-a1cc-1137f56642c9/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2c295b7a-1ee2-4b5b-a1cc-1137f56642c9/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2c295b7a-1ee2-4b5b-a1cc-1137f56642c9/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2c295b7a-1ee2-4b5b-a1cc-1137f56642c9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2c295b7a-1ee2-4b5b-a1cc-1137f56642c9/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 68aa035b1d1dd9e3f4370c219765c8518f721ed8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:50:42,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:50:42,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:50:42,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:50:42,881 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:50:42,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:50:42,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:50:42,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:50:42,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:50:42,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:50:42,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:50:42,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:50:42,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:50:42,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:50:42,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:50:42,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:50:42,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:50:42,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:50:42,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:50:42,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:50:42,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:50:42,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:50:42,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:50:42,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:50:42,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:50:42,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:50:42,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:50:42,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:50:42,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:50:42,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:50:42,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:50:42,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:50:42,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:50:42,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:50:42,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:50:42,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:50:43,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:50:43,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:50:43,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:50:43,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:50:43,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:50:43,008 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2c295b7a-1ee2-4b5b-a1cc-1137f56642c9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:50:43,059 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:50:43,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:50:43,061 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:50:43,061 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:50:43,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:50:43,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:50:43,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:50:43,063 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:50:43,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:50:43,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:50:43,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:50:43,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:50:43,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:50:43,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:50:43,065 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:50:43,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:50:43,066 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:50:43,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:50:43,066 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:50:43,067 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:50:43,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:50:43,067 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:50:43,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:50:43,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:50:43,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:50:43,085 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:50:43,085 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:50:43,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:50:43,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:50:43,086 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_2c295b7a-1ee2-4b5b-a1cc-1137f56642c9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2c295b7a-1ee2-4b5b-a1cc-1137f56642c9/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68aa035b1d1dd9e3f4370c219765c8518f721ed8 [2020-12-01 16:50:43,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:50:43,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:50:43,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:50:43,489 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:50:43,490 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:50:43,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2c295b7a-1ee2-4b5b-a1cc-1137f56642c9/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2020-12-01 16:50:43,578 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2c295b7a-1ee2-4b5b-a1cc-1137f56642c9/bin/ukojak/data/b44af6033/172f22bdb8394be5b1f62245ffab5074/FLAG231e8e713 [2020-12-01 16:50:44,334 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:50:44,335 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2c295b7a-1ee2-4b5b-a1cc-1137f56642c9/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2020-12-01 16:50:44,368 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2c295b7a-1ee2-4b5b-a1cc-1137f56642c9/bin/ukojak/data/b44af6033/172f22bdb8394be5b1f62245ffab5074/FLAG231e8e713 [2020-12-01 16:50:44,596 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2c295b7a-1ee2-4b5b-a1cc-1137f56642c9/bin/ukojak/data/b44af6033/172f22bdb8394be5b1f62245ffab5074 [2020-12-01 16:50:44,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:50:44,602 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:50:44,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:50:44,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:50:44,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:50:44,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:50:44" (1/1) ... [2020-12-01 16:50:44,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22873d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:50:44, skipping insertion in model container [2020-12-01 16:50:44,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:50:44" (1/1) ... [2020-12-01 16:50:44,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:50:44,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:50:45,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:50:45,191 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:50:45,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:50:45,385 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:50:45,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:50:45 WrapperNode [2020-12-01 16:50:45,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:50:45,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:50:45,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:50:45,389 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:50:45,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:50:45" (1/1) ... [2020-12-01 16:50:45,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:50:45" (1/1) ... [2020-12-01 16:50:45,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:50:45,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:50:45,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:50:45,499 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:50:45,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:50:45" (1/1) ... [2020-12-01 16:50:45,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:50:45" (1/1) ... [2020-12-01 16:50:45,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:50:45" (1/1) ... [2020-12-01 16:50:45,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:50:45" (1/1) ... [2020-12-01 16:50:45,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:50:45" (1/1) ... [2020-12-01 16:50:45,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:50:45" (1/1) ... [2020-12-01 16:50:45,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:50:45" (1/1) ... [2020-12-01 16:50:45,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:50:45,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:50:45,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:50:45,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:50:45,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:50:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2c295b7a-1ee2-4b5b-a1cc-1137f56642c9/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:50:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:50:45,660 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 16:50:45,660 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 16:50:45,662 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 16:50:45,663 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 16:50:45,663 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 16:50:45,664 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 16:50:45,665 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 16:50:45,665 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 16:50:45,666 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 16:50:45,666 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-12-01 16:50:45,667 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-12-01 16:50:45,667 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-12-01 16:50:45,667 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 16:50:45,667 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 16:50:45,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:50:45,668 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 16:50:45,668 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 16:50:45,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:50:45,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:50:47,359 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:50:47,359 INFO L298 CfgBuilder]: Removed 34 assume(true) statements. [2020-12-01 16:50:47,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:50:47 BoogieIcfgContainer [2020-12-01 16:50:47,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:50:47,365 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:50:47,365 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:50:47,380 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:50:47,380 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:50:47" (1/1) ... [2020-12-01 16:50:47,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:50:47,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:50:47,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 60 states and 79 transitions. [2020-12-01 16:50:47,466 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 79 transitions. [2020-12-01 16:50:47,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:50:47,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:50:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:50:47,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:50:47,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:50:47,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2020-12-01 16:50:47,874 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2020-12-01 16:50:47,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:50:47,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:50:47,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:50:48,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:50:48,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:50:48,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 62 states and 80 transitions. [2020-12-01 16:50:48,050 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 80 transitions. [2020-12-01 16:50:48,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:50:48,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:50:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:50:48,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:50:48,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:50:48,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 65 states and 88 transitions. [2020-12-01 16:50:48,250 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2020-12-01 16:50:48,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:50:48,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:50:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:50:48,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:50:48,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:50:48,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 73 states and 102 transitions. [2020-12-01 16:50:48,771 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-12-01 16:50:48,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:50:48,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:50:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:50:48,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:50:48,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:50:48,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 74 states and 103 transitions. [2020-12-01 16:50:48,906 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 103 transitions. [2020-12-01 16:50:48,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:50:48,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:50:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:50:49,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:50:49,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:50:49,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 75 states and 104 transitions. [2020-12-01 16:50:49,047 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2020-12-01 16:50:49,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:50:49,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:50:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:50:49,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:50:50,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:50:50,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 92 states and 141 transitions. [2020-12-01 16:50:50,041 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 141 transitions. [2020-12-01 16:50:50,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:50:50,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:50:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:50:50,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:50:50,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:50:50,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 93 states and 142 transitions. [2020-12-01 16:50:50,150 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 142 transitions. [2020-12-01 16:50:50,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:50:50,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:50:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:50:50,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:50:52,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:50:52,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 112 states and 182 transitions. [2020-12-01 16:50:52,308 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 182 transitions. [2020-12-01 16:50:52,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:50:52,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:50:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:50:52,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:50:52,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:50:52,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 117 states and 192 transitions. [2020-12-01 16:50:52,450 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 192 transitions. [2020-12-01 16:50:52,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:50:52,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:50:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:50:52,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:50:52,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:50:52,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 121 states and 199 transitions. [2020-12-01 16:50:52,622 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 199 transitions. [2020-12-01 16:50:52,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:50:52,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:50:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:50:52,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:50:52,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:50:52,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 125 states and 205 transitions. [2020-12-01 16:50:52,923 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 205 transitions. [2020-12-01 16:50:52,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:50:52,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:50:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:50:52,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:50:53,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:50:53,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 126 states and 206 transitions. [2020-12-01 16:50:53,014 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 206 transitions. [2020-12-01 16:50:53,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:50:53,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:50:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:50:53,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:50:53,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:50:53,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 130 states and 216 transitions. [2020-12-01 16:50:53,137 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 216 transitions. [2020-12-01 16:50:53,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 16:50:53,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:50:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:50:53,212 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:50:53,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:50:53,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 139 states and 234 transitions. [2020-12-01 16:50:53,946 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 234 transitions. [2020-12-01 16:50:53,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 16:50:53,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:50:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:50:54,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:50:54,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:50:54,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 142 states and 241 transitions. [2020-12-01 16:50:54,620 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 241 transitions. [2020-12-01 16:50:54,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 16:50:54,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:50:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:50:54,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:50:54,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:50:54,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 143 states and 243 transitions. [2020-12-01 16:50:54,939 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 243 transitions. [2020-12-01 16:50:54,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 16:50:54,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:50:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:50:54,988 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:50:55,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:50:55,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 144 states and 245 transitions. [2020-12-01 16:50:55,029 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 245 transitions. [2020-12-01 16:50:55,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:50:55,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:50:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:50:55,139 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:50:55,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:50:55,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 145 states and 246 transitions. [2020-12-01 16:50:55,175 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 246 transitions. [2020-12-01 16:50:55,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:50:55,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:50:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:50:55,805 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:50:57,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:50:57,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 152 states and 268 transitions. [2020-12-01 16:50:57,402 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 268 transitions. [2020-12-01 16:50:57,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:50:57,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:50:57,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:50:57,448 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:50:58,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:50:58,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 159 states and 283 transitions. [2020-12-01 16:50:58,385 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 283 transitions. [2020-12-01 16:50:58,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:50:58,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:50:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:50:58,446 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:50:58,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:50:58,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 160 states and 285 transitions. [2020-12-01 16:50:58,486 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 285 transitions. [2020-12-01 16:50:58,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:50:58,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:50:58,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:50:58,549 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:50:58,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:50:58,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 168 states and 297 transitions. [2020-12-01 16:50:58,819 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 297 transitions. [2020-12-01 16:50:58,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:50:58,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:50:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:50:58,903 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:50:58,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:50:58,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 169 states and 298 transitions. [2020-12-01 16:50:58,927 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 298 transitions. [2020-12-01 16:50:58,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:50:58,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:50:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:50:59,117 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:51:02,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:51:02,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 186 states and 340 transitions. [2020-12-01 16:51:02,426 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 340 transitions. [2020-12-01 16:51:02,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:51:02,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:51:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:51:02,523 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:51:04,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:51:04,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 198 states and 376 transitions. [2020-12-01 16:51:04,747 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 376 transitions. [2020-12-01 16:51:04,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:51:04,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:51:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:51:04,796 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:51:07,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:51:07,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 206 states and 393 transitions. [2020-12-01 16:51:07,325 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 393 transitions. [2020-12-01 16:51:07,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:51:07,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:51:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:51:07,360 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:51:07,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:51:07,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 208 states and 399 transitions. [2020-12-01 16:51:07,847 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 399 transitions. [2020-12-01 16:51:07,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:51:07,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:51:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:51:07,893 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:51:10,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:51:10,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 214 states and 407 transitions. [2020-12-01 16:51:10,258 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 407 transitions. [2020-12-01 16:51:10,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:51:10,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:51:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:51:10,352 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:51:10,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:51:10,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 215 states and 408 transitions. [2020-12-01 16:51:10,380 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 408 transitions. [2020-12-01 16:51:10,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:51:10,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:51:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:51:10,452 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:51:10,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:51:10,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 218 states and 413 transitions. [2020-12-01 16:51:10,491 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 413 transitions. [2020-12-01 16:51:10,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 16:51:10,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:51:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:51:10,598 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 16:51:10,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:51:10,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 219 states and 414 transitions. [2020-12-01 16:51:10,630 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 414 transitions. [2020-12-01 16:51:10,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 16:51:10,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:51:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:51:10,681 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:51:11,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:51:11,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 224 states and 414 transitions. [2020-12-01 16:51:11,731 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 414 transitions. [2020-12-01 16:51:11,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 16:51:11,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:51:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:51:11,781 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:51:12,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:51:12,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 232 states and 430 transitions. [2020-12-01 16:51:12,524 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 430 transitions. [2020-12-01 16:51:12,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 16:51:12,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:51:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:51:12,571 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:51:12,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:51:12,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 233 states and 431 transitions. [2020-12-01 16:51:12,601 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 431 transitions. [2020-12-01 16:51:12,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 16:51:12,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:51:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:51:12,644 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:51:12,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:51:12,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 234 states and 432 transitions. [2020-12-01 16:51:12,701 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 432 transitions. [2020-12-01 16:51:12,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 16:51:12,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:51:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:51:12,745 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:51:13,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:51:13,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 235 states and 435 transitions. [2020-12-01 16:51:13,335 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 435 transitions. [2020-12-01 16:51:13,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 16:51:13,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:51:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:51:13,379 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:51:13,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:51:13,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 241 states and 444 transitions. [2020-12-01 16:51:13,592 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 444 transitions. [2020-12-01 16:51:13,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 16:51:13,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:51:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:51:13,637 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:51:13,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:51:13,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 242 states and 445 transitions. [2020-12-01 16:51:13,663 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 445 transitions. [2020-12-01 16:51:13,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 16:51:13,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:51:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:51:13,733 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:51:14,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:51:14,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 243 states and 448 transitions. [2020-12-01 16:51:14,222 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 448 transitions. [2020-12-01 16:51:14,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:51:14,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:51:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:51:14,273 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:51:14,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:51:14,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 248 states and 456 transitions. [2020-12-01 16:51:14,776 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 456 transitions. [2020-12-01 16:51:14,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 16:51:14,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:51:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:51:14,822 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:51:14,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:51:14,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 251 states and 461 transitions. [2020-12-01 16:51:14,870 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 461 transitions. [2020-12-01 16:51:14,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 16:51:14,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:51:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:51:14,918 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:51:14,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:51:14,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 252 states and 462 transitions. [2020-12-01 16:51:14,995 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 462 transitions. [2020-12-01 16:51:14,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:51:14,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:51:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:51:15,039 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 16:51:15,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:51:15,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 255 states and 466 transitions. [2020-12-01 16:51:15,246 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 466 transitions. [2020-12-01 16:51:15,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 16:51:15,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:51:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:51:15,289 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 16:51:15,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:51:15,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 258 states and 471 transitions. [2020-12-01 16:51:15,315 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 471 transitions. [2020-12-01 16:51:15,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 16:51:15,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:51:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:51:15,357 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-01 16:51:15,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:51:15,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 259 states and 472 transitions. [2020-12-01 16:51:15,394 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 472 transitions. [2020-12-01 16:51:15,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 16:51:15,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:51:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:51:15,436 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 16:51:15,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:51:15,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 260 states and 473 transitions. [2020-12-01 16:51:15,467 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 473 transitions. [2020-12-01 16:51:15,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-01 16:51:15,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:51:15,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:51:15,517 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 16:51:15,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:51:15,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 261 states and 474 transitions. [2020-12-01 16:51:15,548 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 474 transitions. [2020-12-01 16:51:15,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-01 16:51:15,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:51:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:51:15,600 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-12-01 16:51:15,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:51:15,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 88 states and 120 transitions. [2020-12-01 16:51:15,637 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 120 transitions. [2020-12-01 16:51:15,638 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:51:15,638 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 50 iterations. [2020-12-01 16:51:15,647 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:51:16,148 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:51:16,154 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:51:16,154 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:51:16,155 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:51:16,155 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:51:16,155 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:51:16,155 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:51:16,156 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-12-01 16:51:16,161 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:51:16,161 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-12-01 16:51:16,164 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:51:16,164 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:51:16,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:51:16 ImpRootNode [2020-12-01 16:51:16,165 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:51:16,166 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:51:16,166 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:51:16,166 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:51:16,168 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:50:47" (3/4) ... [2020-12-01 16:51:16,175 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:51:16,182 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-12-01 16:51:16,185 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 16:51:16,186 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 16:51:16,187 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 16:51:16,188 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-12-01 16:51:16,188 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 16:51:16,188 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-12-01 16:51:16,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-12-01 16:51:16,225 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2020-12-01 16:51:16,226 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-01 16:51:16,226 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 16:51:16,227 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 16:51:16,228 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 16:51:16,228 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:51:16,229 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:51:16,263 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) [2020-12-01 16:51:16,346 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2c295b7a-1ee2-4b5b-a1cc-1137f56642c9/bin/ukojak/witness.graphml [2020-12-01 16:51:16,346 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:51:16,349 INFO L168 Benchmark]: Toolchain (without parser) took 31745.48 ms. Allocated memory was 96.5 MB in the beginning and 400.6 MB in the end (delta: 304.1 MB). Free memory was 76.4 MB in the beginning and 363.3 MB in the end (delta: -286.9 MB). Peak memory consumption was 205.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:51:16,349 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 77.6 MB. Free memory is still 54.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:51:16,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 783.36 ms. Allocated memory is still 96.5 MB. Free memory was 76.4 MB in the beginning and 56.9 MB in the end (delta: 19.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:51:16,352 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.56 ms. Allocated memory is still 96.5 MB. Free memory was 56.9 MB in the beginning and 54.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:51:16,352 INFO L168 Benchmark]: Boogie Preprocessor took 43.67 ms. Allocated memory is still 96.5 MB. Free memory was 54.6 MB in the beginning and 52.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:51:16,353 INFO L168 Benchmark]: RCFGBuilder took 1820.76 ms. Allocated memory is still 96.5 MB. Free memory was 52.8 MB in the beginning and 65.8 MB in the end (delta: -13.0 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:51:16,354 INFO L168 Benchmark]: CodeCheck took 28800.27 ms. Allocated memory was 96.5 MB in the beginning and 333.4 MB in the end (delta: 237.0 MB). Free memory was 65.8 MB in the beginning and 112.0 MB in the end (delta: -46.2 MB). Peak memory consumption was 191.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:51:16,354 INFO L168 Benchmark]: Witness Printer took 180.77 ms. Allocated memory was 333.4 MB in the beginning and 400.6 MB in the end (delta: 67.1 MB). Free memory was 112.0 MB in the beginning and 363.3 MB in the end (delta: -251.2 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:51:16,357 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 9 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.2s, OverallIterations: 50, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 531468568 SDtfs, 650050504 SDslu, 1142824340 SDs, 0 SdLazy, 386516228 SolverSat, 1493062496 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 75.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22632 GetRequests, 22335 SyntacticMatches, 23 SemanticMatches, 274 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34707 ImplicationChecksByTransitivity, 20.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 2181 NumberOfCodeBlocks, 2181 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 2132 ConstructedInterpolants, 0 QuantifiedInterpolants, 191805 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 49 InterpolantComputations, 44 PerfectInterpolantSequences, 803/830 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: 206]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 77.6 MB. Free memory is still 54.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 783.36 ms. Allocated memory is still 96.5 MB. Free memory was 76.4 MB in the beginning and 56.9 MB in the end (delta: 19.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 108.56 ms. Allocated memory is still 96.5 MB. Free memory was 56.9 MB in the beginning and 54.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.67 ms. Allocated memory is still 96.5 MB. Free memory was 54.6 MB in the beginning and 52.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1820.76 ms. Allocated memory is still 96.5 MB. Free memory was 52.8 MB in the beginning and 65.8 MB in the end (delta: -13.0 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. * CodeCheck took 28800.27 ms. Allocated memory was 96.5 MB in the beginning and 333.4 MB in the end (delta: 237.0 MB). Free memory was 65.8 MB in the beginning and 112.0 MB in the end (delta: -46.2 MB). Peak memory consumption was 191.6 MB. Max. memory is 16.1 GB. * Witness Printer took 180.77 ms. Allocated memory was 333.4 MB in the beginning and 400.6 MB in the end (delta: 67.1 MB). Free memory was 112.0 MB in the beginning and 363.3 MB in the end (delta: -251.2 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...