./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.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_dba2009b-48b2-472e-9707-9112405d922a/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_dba2009b-48b2-472e-9707-9112405d922a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dba2009b-48b2-472e-9707-9112405d922a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dba2009b-48b2-472e-9707-9112405d922a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_dba2009b-48b2-472e-9707-9112405d922a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dba2009b-48b2-472e-9707-9112405d922a/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 6a6fa3eb21cbb665d14eb9ccd1201c05b2821bd8 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:22:40,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:22:40,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:22:40,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:22:40,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:22:40,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:22:40,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:22:40,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:22:40,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:22:40,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:22:40,868 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:22:40,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:22:40,870 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:22:40,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:22:40,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:22:40,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:22:40,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:22:40,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:22:40,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:22:40,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:22:40,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:22:40,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:22:40,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:22:40,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:22:40,907 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:22:40,907 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:22:40,907 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:22:40,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:22:40,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:22:40,911 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:22:40,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:22:40,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:22:40,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:22:40,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:22:40,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:22:40,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:22:40,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:22:40,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:22:40,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:22:40,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:22:40,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:22:40,923 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dba2009b-48b2-472e-9707-9112405d922a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 18:22:40,959 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:22:40,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:22:40,961 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 18:22:40,961 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 18:22:40,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:22:40,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:22:40,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:22:40,962 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:22:40,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:22:40,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:22:40,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:22:40,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:22:40,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:22:40,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:22:40,964 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:22:40,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:22:40,965 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:22:40,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:22:40,965 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 18:22:40,965 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 18:22:40,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:22:40,966 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:22:40,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 18:22:40,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:22:40,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:22:40,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:22:40,967 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 18:22:40,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:22:40,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:22:40,967 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_dba2009b-48b2-472e-9707-9112405d922a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_dba2009b-48b2-472e-9707-9112405d922a/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a6fa3eb21cbb665d14eb9ccd1201c05b2821bd8 [2020-11-29 18:22:41,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:22:41,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:22:41,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:22:41,234 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:22:41,234 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:22:41,235 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dba2009b-48b2-472e-9707-9112405d922a/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2020-11-29 18:22:41,316 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dba2009b-48b2-472e-9707-9112405d922a/bin/ukojak/data/a2104056b/7466e859cd32457897d58233d8b59d9e/FLAG08d29551a [2020-11-29 18:22:41,940 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:22:41,941 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dba2009b-48b2-472e-9707-9112405d922a/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2020-11-29 18:22:41,957 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dba2009b-48b2-472e-9707-9112405d922a/bin/ukojak/data/a2104056b/7466e859cd32457897d58233d8b59d9e/FLAG08d29551a [2020-11-29 18:22:42,312 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dba2009b-48b2-472e-9707-9112405d922a/bin/ukojak/data/a2104056b/7466e859cd32457897d58233d8b59d9e [2020-11-29 18:22:42,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:22:42,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:22:42,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:22:42,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:22:42,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:22:42,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:22:42" (1/1) ... [2020-11-29 18:22:42,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71475ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:42, skipping insertion in model container [2020-11-29 18:22:42,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:22:42" (1/1) ... [2020-11-29 18:22:42,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:22:42,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:22:42,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:22:42,763 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:22:42,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:22:42,885 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:22:42,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:42 WrapperNode [2020-11-29 18:22:42,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:22:42,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:22:42,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:22:42,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:22:42,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:42" (1/1) ... [2020-11-29 18:22:42,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:42" (1/1) ... [2020-11-29 18:22:42,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:22:42,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:22:42,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:22:42,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:22:42,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:42" (1/1) ... [2020-11-29 18:22:42,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:42" (1/1) ... [2020-11-29 18:22:42,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:42" (1/1) ... [2020-11-29 18:22:42,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:42" (1/1) ... [2020-11-29 18:22:42,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:42" (1/1) ... [2020-11-29 18:22:42,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:42" (1/1) ... [2020-11-29 18:22:42,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:42" (1/1) ... [2020-11-29 18:22:42,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:22:42,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:22:42,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:22:42,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:22:42,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dba2009b-48b2-472e-9707-9112405d922a/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 [2020-11-29 18:22:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:22:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-29 18:22:43,070 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-29 18:22:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-29 18:22:43,071 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-29 18:22:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-29 18:22:43,071 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-29 18:22:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-29 18:22:43,071 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-29 18:22:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-29 18:22:43,071 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-29 18:22:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-29 18:22:43,072 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-29 18:22:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-29 18:22:43,072 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-29 18:22:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:22:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-29 18:22:43,072 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-29 18:22:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:22:43,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:22:44,409 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:22:44,410 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-11-29 18:22:44,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:22:44 BoogieIcfgContainer [2020-11-29 18:22:44,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:22:44,413 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 18:22:44,413 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 18:22:44,425 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 18:22:44,426 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:22:44" (1/1) ... [2020-11-29 18:22:44,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:22:44,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:44,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 61 states and 81 transitions. [2020-11-29 18:22:44,495 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2020-11-29 18:22:44,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 18:22:44,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:44,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:22:44,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:44,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 61 states and 79 transitions. [2020-11-29 18:22:44,786 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2020-11-29 18:22:44,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 18:22:44,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:44,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:22:44,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:44,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 63 states and 82 transitions. [2020-11-29 18:22:44,955 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2020-11-29 18:22:44,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 18:22:44,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:45,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:22:45,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:45,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 66 states and 88 transitions. [2020-11-29 18:22:45,258 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2020-11-29 18:22:45,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 18:22:45,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:45,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:22:46,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:46,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 82 states and 121 transitions. [2020-11-29 18:22:46,100 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 121 transitions. [2020-11-29 18:22:46,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 18:22:46,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:46,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:22:46,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:46,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 90 states and 136 transitions. [2020-11-29 18:22:46,726 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 136 transitions. [2020-11-29 18:22:46,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 18:22:46,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:46,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:22:46,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:46,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 91 states and 139 transitions. [2020-11-29 18:22:46,834 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 139 transitions. [2020-11-29 18:22:46,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 18:22:46,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:46,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:22:46,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:46,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 95 states and 146 transitions. [2020-11-29 18:22:46,943 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 146 transitions. [2020-11-29 18:22:46,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 18:22:46,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:46,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:22:46,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:46,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 96 states and 147 transitions. [2020-11-29 18:22:46,994 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 147 transitions. [2020-11-29 18:22:46,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 18:22:46,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:47,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:22:47,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:47,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 102 states and 159 transitions. [2020-11-29 18:22:47,072 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 159 transitions. [2020-11-29 18:22:47,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 18:22:47,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:47,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:22:47,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:47,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 103 states and 160 transitions. [2020-11-29 18:22:47,141 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 160 transitions. [2020-11-29 18:22:47,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 18:22:47,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:47,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:22:48,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:48,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 122 states and 201 transitions. [2020-11-29 18:22:48,506 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 201 transitions. [2020-11-29 18:22:48,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 18:22:48,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:48,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:22:48,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:48,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 128 states and 214 transitions. [2020-11-29 18:22:48,721 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 214 transitions. [2020-11-29 18:22:48,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 18:22:48,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:48,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:48,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:22:49,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:49,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 137 states and 233 transitions. [2020-11-29 18:22:49,768 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 233 transitions. [2020-11-29 18:22:49,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 18:22:49,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:49,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:22:49,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:49,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 138 states and 234 transitions. [2020-11-29 18:22:49,842 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 234 transitions. [2020-11-29 18:22:49,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 18:22:49,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:49,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:22:49,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:49,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 139 states and 235 transitions. [2020-11-29 18:22:49,927 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 235 transitions. [2020-11-29 18:22:49,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 18:22:49,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:49,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:22:50,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:50,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 144 states and 245 transitions. [2020-11-29 18:22:50,517 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 245 transitions. [2020-11-29 18:22:50,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 18:22:50,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:50,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 18:22:50,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:50,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 148 states and 255 transitions. [2020-11-29 18:22:50,598 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 255 transitions. [2020-11-29 18:22:50,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-29 18:22:50,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:50,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:50,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 18:22:50,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:50,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 152 states and 263 transitions. [2020-11-29 18:22:50,715 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 263 transitions. [2020-11-29 18:22:50,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 18:22:50,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:50,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:50,768 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:22:51,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:51,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 161 states and 283 transitions. [2020-11-29 18:22:51,508 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 283 transitions. [2020-11-29 18:22:51,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 18:22:51,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:51,577 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:22:51,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:51,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 162 states and 284 transitions. [2020-11-29 18:22:51,600 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 284 transitions. [2020-11-29 18:22:51,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 18:22:51,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:51,887 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 18:22:52,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:52,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 165 states and 292 transitions. [2020-11-29 18:22:52,910 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 292 transitions. [2020-11-29 18:22:52,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-29 18:22:52,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:52,942 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:22:52,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:52,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 166 states and 294 transitions. [2020-11-29 18:22:52,990 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 294 transitions. [2020-11-29 18:22:52,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 18:22:52,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:53,028 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:22:53,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:53,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 170 states and 304 transitions. [2020-11-29 18:22:53,336 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 304 transitions. [2020-11-29 18:22:53,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 18:22:53,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:53,391 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:22:53,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:53,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 171 states and 305 transitions. [2020-11-29 18:22:53,402 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 305 transitions. [2020-11-29 18:22:53,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 18:22:53,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:53,439 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:22:54,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:54,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 174 states and 311 transitions. [2020-11-29 18:22:54,070 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 311 transitions. [2020-11-29 18:22:54,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 18:22:54,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:54,131 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 18:22:54,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:54,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 175 states and 311 transitions. [2020-11-29 18:22:54,147 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 311 transitions. [2020-11-29 18:22:54,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 18:22:54,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:54,193 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 18:22:54,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:54,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 176 states and 312 transitions. [2020-11-29 18:22:54,216 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 312 transitions. [2020-11-29 18:22:54,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 18:22:54,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:54,256 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 18:22:55,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:55,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 185 states and 329 transitions. [2020-11-29 18:22:55,426 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 329 transitions. [2020-11-29 18:22:55,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 18:22:55,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:55,474 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 18:22:55,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:55,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 188 states and 332 transitions. [2020-11-29 18:22:55,788 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 332 transitions. [2020-11-29 18:22:55,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 18:22:55,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:55,831 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 18:22:56,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:56,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 195 states and 350 transitions. [2020-11-29 18:22:56,053 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 350 transitions. [2020-11-29 18:22:56,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 18:22:56,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:56,448 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 18:22:58,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:22:58,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 205 states and 372 transitions. [2020-11-29 18:22:58,935 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 372 transitions. [2020-11-29 18:22:58,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 18:22:58,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:22:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:22:58,978 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 18:23:00,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:23:00,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 211 states and 388 transitions. [2020-11-29 18:23:00,725 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 388 transitions. [2020-11-29 18:23:00,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 18:23:00,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:23:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:23:00,776 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 18:23:00,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:23:00,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 212 states and 389 transitions. [2020-11-29 18:23:00,805 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 389 transitions. [2020-11-29 18:23:00,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 18:23:00,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:23:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:23:00,841 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 18:23:02,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:23:02,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 222 states and 406 transitions. [2020-11-29 18:23:02,624 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 406 transitions. [2020-11-29 18:23:02,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 18:23:02,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:23:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:23:02,655 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:23:03,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:23:03,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 227 states and 413 transitions. [2020-11-29 18:23:03,093 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 413 transitions. [2020-11-29 18:23:03,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-29 18:23:03,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:23:03,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:23:03,178 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:23:03,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:23:03,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 227 states and 410 transitions. [2020-11-29 18:23:03,780 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 410 transitions. [2020-11-29 18:23:03,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-29 18:23:03,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:23:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:23:03,811 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:23:03,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:23:03,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 228 states and 411 transitions. [2020-11-29 18:23:03,844 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 411 transitions. [2020-11-29 18:23:03,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-29 18:23:03,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:23:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:23:03,892 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 18:23:03,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:23:03,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 229 states and 412 transitions. [2020-11-29 18:23:03,924 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 412 transitions. [2020-11-29 18:23:03,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 18:23:03,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:23:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:23:03,973 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 18:23:03,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:23:03,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 230 states and 413 transitions. [2020-11-29 18:23:03,993 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 413 transitions. [2020-11-29 18:23:03,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 18:23:03,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:23:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:23:04,021 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 18:23:04,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:23:04,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 234 states and 420 transitions. [2020-11-29 18:23:04,708 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 420 transitions. [2020-11-29 18:23:04,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-29 18:23:04,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:23:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:23:04,737 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 18:23:05,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:23:05,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 242 states and 442 transitions. [2020-11-29 18:23:05,368 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 442 transitions. [2020-11-29 18:23:05,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-29 18:23:05,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:23:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:23:05,398 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 18:23:05,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:23:05,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 247 states and 451 transitions. [2020-11-29 18:23:05,448 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 451 transitions. [2020-11-29 18:23:05,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-29 18:23:05,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:23:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:23:05,478 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 18:23:05,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:23:05,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 248 states and 452 transitions. [2020-11-29 18:23:05,502 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 452 transitions. [2020-11-29 18:23:05,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 18:23:05,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:23:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:23:05,532 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 18:23:05,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:23:05,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 249 states and 453 transitions. [2020-11-29 18:23:05,556 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 453 transitions. [2020-11-29 18:23:05,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 18:23:05,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:23:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:23:05,586 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 18:23:06,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:23:06,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 255 states and 464 transitions. [2020-11-29 18:23:06,048 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 464 transitions. [2020-11-29 18:23:06,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-29 18:23:06,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:23:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:23:06,078 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 18:23:06,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:23:06,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 256 states and 465 transitions. [2020-11-29 18:23:06,101 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 465 transitions. [2020-11-29 18:23:06,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-29 18:23:06,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:23:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:23:06,131 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 18:23:06,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:23:06,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 257 states and 468 transitions. [2020-11-29 18:23:06,548 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 468 transitions. [2020-11-29 18:23:06,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 18:23:06,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:23:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:23:06,579 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 18:23:06,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:23:06,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 260 states and 471 transitions. [2020-11-29 18:23:06,826 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 471 transitions. [2020-11-29 18:23:06,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-29 18:23:06,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:23:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:23:06,856 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-29 18:23:06,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:23:06,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 263 states and 475 transitions. [2020-11-29 18:23:06,878 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 475 transitions. [2020-11-29 18:23:06,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-29 18:23:06,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:23:06,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:23:06,910 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-29 18:23:06,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:23:06,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 266 states and 480 transitions. [2020-11-29 18:23:06,933 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 480 transitions. [2020-11-29 18:23:06,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-29 18:23:06,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:23:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:23:06,966 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-29 18:23:06,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:23:06,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 267 states and 481 transitions. [2020-11-29 18:23:06,992 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 481 transitions. [2020-11-29 18:23:06,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-29 18:23:06,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:23:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:23:07,024 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-29 18:23:07,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:23:07,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 268 states and 482 transitions. [2020-11-29 18:23:07,059 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 482 transitions. [2020-11-29 18:23:07,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-11-29 18:23:07,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:23:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:23:07,093 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-29 18:23:07,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:23:07,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 87 states and 115 transitions. [2020-11-29 18:23:07,117 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 115 transitions. [2020-11-29 18:23:07,117 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 18:23:07,118 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 54 iterations. [2020-11-29 18:23:07,124 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 18:23:07,554 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:23:07,558 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:23:07,558 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:23:07,558 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:23:07,558 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:23:07,558 INFO L569 CodeCheckObserver]: Invariant with dag size 18 [2020-11-29 18:23:07,561 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:23:07,561 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-29 18:23:07,562 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:23:07,562 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:23:07,562 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2020-11-29 18:23:07,562 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:23:07,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 06:23:07 ImpRootNode [2020-11-29 18:23:07,563 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 18:23:07,563 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:23:07,563 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:23:07,563 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:23:07,564 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:22:44" (3/4) ... [2020-11-29 18:23:07,573 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 18:23:07,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-29 18:23:07,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-29 18:23:07,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-29 18:23:07,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-29 18:23:07,578 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-29 18:23:07,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-29 18:23:07,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-11-29 18:23:07,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-11-29 18:23:07,597 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2020-11-29 18:23:07,598 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-29 18:23:07,598 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-29 18:23:07,599 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 18:23:07,599 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 18:23:07,600 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:23:07,600 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:23:07,619 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == 0) && !(0 == systemActive)) || (!(methAndRunningLastTime == 0) && !(methaneLevelCritical == 0))) || pumpRunning == \old(pumpRunning) [2020-11-29 18:23:07,668 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_dba2009b-48b2-472e-9707-9112405d922a/bin/ukojak/witness.graphml [2020-11-29 18:23:07,668 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:23:07,674 INFO L168 Benchmark]: Toolchain (without parser) took 25351.65 ms. Allocated memory was 115.3 MB in the beginning and 352.3 MB in the end (delta: 237.0 MB). Free memory was 83.3 MB in the beginning and 256.2 MB in the end (delta: -172.9 MB). Peak memory consumption was 64.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:23:07,675 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 77.6 MB. Free memory is still 35.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:23:07,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 567.12 ms. Allocated memory is still 115.3 MB. Free memory was 83.1 MB in the beginning and 81.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:23:07,675 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.38 ms. Allocated memory is still 115.3 MB. Free memory was 81.0 MB in the beginning and 78.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:23:07,676 INFO L168 Benchmark]: Boogie Preprocessor took 32.66 ms. Allocated memory is still 115.3 MB. Free memory was 78.6 MB in the beginning and 76.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:23:07,676 INFO L168 Benchmark]: RCFGBuilder took 1418.63 ms. Allocated memory is still 115.3 MB. Free memory was 76.8 MB in the beginning and 67.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 46.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:23:07,677 INFO L168 Benchmark]: CodeCheck took 23150.04 ms. Allocated memory was 115.3 MB in the beginning and 352.3 MB in the end (delta: 237.0 MB). Free memory was 67.0 MB in the beginning and 261.5 MB in the end (delta: -194.5 MB). Peak memory consumption was 187.9 MB. Max. memory is 16.1 GB. [2020-11-29 18:23:07,677 INFO L168 Benchmark]: Witness Printer took 105.21 ms. Allocated memory is still 352.3 MB. Free memory was 261.5 MB in the beginning and 256.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 18:23:07,679 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, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.6s, OverallIterations: 54, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 693082644 SDtfs, 897375964 SDslu, 1351130684 SDs, 0 SdLazy, -878449300 SolverSat, -862260828 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 67.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23694 GetRequests, 23395 SyntacticMatches, 1 SemanticMatches, 298 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39296 ImplicationChecksByTransitivity, 16.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2296 NumberOfCodeBlocks, 2296 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 2243 ConstructedInterpolants, 0 QuantifiedInterpolants, 201119 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 53 InterpolantComputations, 52 PerfectInterpolantSequences, 803/804 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: 543]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 654]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) && !(0 == systemActive)) || (!(methAndRunningLastTime == 0) && !(methaneLevelCritical == 0))) || pumpRunning == \old(pumpRunning) - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: !(0 == tmp) || methaneLevelCritical == tmp - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: ((tmp == 1 && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 77.6 MB. Free memory is still 35.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 567.12 ms. Allocated memory is still 115.3 MB. Free memory was 83.1 MB in the beginning and 81.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 72.38 ms. Allocated memory is still 115.3 MB. Free memory was 81.0 MB in the beginning and 78.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.66 ms. Allocated memory is still 115.3 MB. Free memory was 78.6 MB in the beginning and 76.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1418.63 ms. Allocated memory is still 115.3 MB. Free memory was 76.8 MB in the beginning and 67.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 46.5 MB. Max. memory is 16.1 GB. * CodeCheck took 23150.04 ms. Allocated memory was 115.3 MB in the beginning and 352.3 MB in the end (delta: 237.0 MB). Free memory was 67.0 MB in the beginning and 261.5 MB in the end (delta: -194.5 MB). Peak memory consumption was 187.9 MB. Max. memory is 16.1 GB. * Witness Printer took 105.21 ms. Allocated memory is still 352.3 MB. Free memory was 261.5 MB in the beginning and 256.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...