./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product27.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_d2a74d31-1547-4c52-a69c-25fefbb238f0/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d2a74d31-1547-4c52-a69c-25fefbb238f0/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d2a74d31-1547-4c52-a69c-25fefbb238f0/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d2a74d31-1547-4c52-a69c-25fefbb238f0/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d2a74d31-1547-4c52-a69c-25fefbb238f0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d2a74d31-1547-4c52-a69c-25fefbb238f0/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 576a1858cb64f3543afb00cb741cc3175c43895a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:16:54,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:16:54,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:16:55,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:16:55,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:16:55,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:16:55,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:16:55,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:16:55,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:16:55,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:16:55,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:16:55,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:16:55,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:16:55,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:16:55,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:16:55,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:16:55,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:16:55,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:16:55,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:16:55,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:16:55,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:16:55,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:16:55,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:16:55,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:16:55,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:16:55,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:16:55,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:16:55,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:16:55,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:16:55,106 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:16:55,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:16:55,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:16:55,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:16:55,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:16:55,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:16:55,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:16:55,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:16:55,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:16:55,116 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:16:55,117 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:16:55,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:16:55,120 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d2a74d31-1547-4c52-a69c-25fefbb238f0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:16:55,171 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:16:55,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:16:55,172 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:16:55,173 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:16:55,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:16:55,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:16:55,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:16:55,174 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:16:55,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:16:55,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:16:55,176 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:16:55,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:16:55,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:16:55,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:16:55,177 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:16:55,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:16:55,177 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:16:55,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:16:55,178 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:16:55,178 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:16:55,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:16:55,179 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:16:55,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:16:55,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:16:55,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:16:55,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:16:55,180 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:16:55,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:16:55,180 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:16:55,182 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_d2a74d31-1547-4c52-a69c-25fefbb238f0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d2a74d31-1547-4c52-a69c-25fefbb238f0/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 576a1858cb64f3543afb00cb741cc3175c43895a [2020-12-01 16:16:55,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:16:55,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:16:55,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:16:55,580 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:16:55,581 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:16:55,582 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d2a74d31-1547-4c52-a69c-25fefbb238f0/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2020-12-01 16:16:55,670 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d2a74d31-1547-4c52-a69c-25fefbb238f0/bin/ukojak/data/b1dbf7a00/d2374f9a08034cbf8a06cf44adb6ff05/FLAG5084f9428 [2020-12-01 16:16:56,256 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:16:56,257 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d2a74d31-1547-4c52-a69c-25fefbb238f0/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2020-12-01 16:16:56,269 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d2a74d31-1547-4c52-a69c-25fefbb238f0/bin/ukojak/data/b1dbf7a00/d2374f9a08034cbf8a06cf44adb6ff05/FLAG5084f9428 [2020-12-01 16:16:56,584 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d2a74d31-1547-4c52-a69c-25fefbb238f0/bin/ukojak/data/b1dbf7a00/d2374f9a08034cbf8a06cf44adb6ff05 [2020-12-01 16:16:56,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:16:56,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:16:56,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:16:56,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:16:56,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:16:56,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:16:56" (1/1) ... [2020-12-01 16:16:56,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@80b3608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:16:56, skipping insertion in model container [2020-12-01 16:16:56,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:16:56" (1/1) ... [2020-12-01 16:16:56,612 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:16:56,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:16:57,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:16:57,058 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:16:57,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:16:57,206 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:16:57,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:16:57 WrapperNode [2020-12-01 16:16:57,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:16:57,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:16:57,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:16:57,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:16:57,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:16:57" (1/1) ... [2020-12-01 16:16:57,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:16:57" (1/1) ... [2020-12-01 16:16:57,289 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:16:57,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:16:57,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:16:57,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:16:57,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:16:57" (1/1) ... [2020-12-01 16:16:57,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:16:57" (1/1) ... [2020-12-01 16:16:57,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:16:57" (1/1) ... [2020-12-01 16:16:57,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:16:57" (1/1) ... [2020-12-01 16:16:57,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:16:57" (1/1) ... [2020-12-01 16:16:57,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:16:57" (1/1) ... [2020-12-01 16:16:57,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:16:57" (1/1) ... [2020-12-01 16:16:57,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:16:57,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:16:57,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:16:57,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:16:57,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:16:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2a74d31-1547-4c52-a69c-25fefbb238f0/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 16:16:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:16:57,430 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 16:16:57,430 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 16:16:57,431 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 16:16:57,432 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 16:16:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 16:16:57,434 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 16:16:57,434 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 16:16:57,434 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 16:16:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 16:16:57,435 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 16:16:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 16:16:57,436 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 16:16:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:16:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 16:16:57,436 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 16:16:57,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:16:57,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:16:58,954 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:16:58,954 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-12-01 16:16:58,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:16:58 BoogieIcfgContainer [2020-12-01 16:16:58,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:16:58,959 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:16:58,959 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:16:58,970 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:16:58,970 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:16:58" (1/1) ... [2020-12-01 16:16:58,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:16:59,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:59,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2020-12-01 16:16:59,020 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2020-12-01 16:16:59,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:16:59,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:59,290 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 16:16:59,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:59,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2020-12-01 16:16:59,305 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2020-12-01 16:16:59,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 16:16:59,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:59,498 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 16:16:59,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:59,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2020-12-01 16:16:59,531 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2020-12-01 16:16:59,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:16:59,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:59,671 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 16:16:59,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:16:59,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 66 states and 94 transitions. [2020-12-01 16:16:59,836 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2020-12-01 16:16:59,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:16:59,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:16:59,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:16:59,978 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 16:17:00,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:00,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 82 states and 127 transitions. [2020-12-01 16:17:00,451 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 127 transitions. [2020-12-01 16:17:00,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:17:00,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:00,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:17:00,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:00,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 83 states and 128 transitions. [2020-12-01 16:17:00,559 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 128 transitions. [2020-12-01 16:17:00,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:17:00,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:00,630 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 16:17:00,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:00,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 84 states and 129 transitions. [2020-12-01 16:17:00,648 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 129 transitions. [2020-12-01 16:17:00,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:17:00,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:00,777 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 16:17:01,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:01,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 95 states and 153 transitions. [2020-12-01 16:17:01,265 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 153 transitions. [2020-12-01 16:17:01,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:17:01,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:01,308 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 16:17:01,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:01,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 96 states and 154 transitions. [2020-12-01 16:17:01,345 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 154 transitions. [2020-12-01 16:17:01,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:17:01,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:01,392 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 16:17:01,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:01,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 97 states and 155 transitions. [2020-12-01 16:17:01,401 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 155 transitions. [2020-12-01 16:17:01,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:17:01,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:01,449 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 16:17:01,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:01,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 102 states and 168 transitions. [2020-12-01 16:17:01,570 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 168 transitions. [2020-12-01 16:17:01,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:17:01,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:01,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:01,651 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 16:17:01,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:01,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 105 states and 176 transitions. [2020-12-01 16:17:01,842 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 176 transitions. [2020-12-01 16:17:01,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:17:01,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:01,903 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 16:17:01,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:01,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 106 states and 177 transitions. [2020-12-01 16:17:01,920 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 177 transitions. [2020-12-01 16:17:01,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:17:01,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:01,971 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 16:17:02,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:02,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 107 states and 180 transitions. [2020-12-01 16:17:02,115 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 180 transitions. [2020-12-01 16:17:02,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:17:02,120 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:02,178 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 16:17:02,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:02,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 108 states and 183 transitions. [2020-12-01 16:17:02,204 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 183 transitions. [2020-12-01 16:17:02,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:17:02,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:02,358 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 16:17:03,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:03,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 121 states and 210 transitions. [2020-12-01 16:17:03,214 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 210 transitions. [2020-12-01 16:17:03,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:17:03,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:03,251 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 16:17:03,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:03,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 122 states and 211 transitions. [2020-12-01 16:17:03,263 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 211 transitions. [2020-12-01 16:17:03,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:17:03,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:03,338 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 16:17:03,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:03,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 126 states and 217 transitions. [2020-12-01 16:17:03,398 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 217 transitions. [2020-12-01 16:17:03,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 16:17:03,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:03,464 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 16:17:03,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:03,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 128 states and 219 transitions. [2020-12-01 16:17:03,489 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 219 transitions. [2020-12-01 16:17:03,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 16:17:03,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:03,541 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 16:17:03,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:03,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 134 states and 231 transitions. [2020-12-01 16:17:03,656 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 231 transitions. [2020-12-01 16:17:03,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 16:17:03,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:03,706 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 16:17:03,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:03,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 135 states and 232 transitions. [2020-12-01 16:17:03,716 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 232 transitions. [2020-12-01 16:17:03,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:17:03,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:04,176 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 16:17:05,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:05,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 142 states and 254 transitions. [2020-12-01 16:17:05,373 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 254 transitions. [2020-12-01 16:17:05,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:17:05,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:05,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:05,414 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 16:17:05,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:05,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 143 states and 257 transitions. [2020-12-01 16:17:05,628 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 257 transitions. [2020-12-01 16:17:05,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 16:17:05,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:05,683 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 16:17:06,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:06,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 146 states and 264 transitions. [2020-12-01 16:17:06,256 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 264 transitions. [2020-12-01 16:17:06,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:17:06,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:06,301 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 16:17:06,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:06,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 147 states and 265 transitions. [2020-12-01 16:17:06,448 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 265 transitions. [2020-12-01 16:17:06,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 16:17:06,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:06,487 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 16:17:06,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:06,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 154 states and 277 transitions. [2020-12-01 16:17:06,733 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 277 transitions. [2020-12-01 16:17:06,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:17:06,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:06,769 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 16:17:07,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:07,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 161 states and 293 transitions. [2020-12-01 16:17:07,330 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 293 transitions. [2020-12-01 16:17:07,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:17:07,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:07,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:07,366 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 16:17:07,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:07,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 162 states and 294 transitions. [2020-12-01 16:17:07,407 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 294 transitions. [2020-12-01 16:17:07,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:17:07,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:07,449 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 16:17:07,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:07,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 163 states and 294 transitions. [2020-12-01 16:17:07,460 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 294 transitions. [2020-12-01 16:17:07,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:17:07,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:07,577 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:17:09,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:09,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 171 states and 321 transitions. [2020-12-01 16:17:09,367 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 321 transitions. [2020-12-01 16:17:09,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:17:09,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:09,457 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:17:11,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:11,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 187 states and 364 transitions. [2020-12-01 16:17:11,578 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 364 transitions. [2020-12-01 16:17:11,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:17:11,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:11,625 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 16:17:11,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:11,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 188 states and 365 transitions. [2020-12-01 16:17:11,649 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 365 transitions. [2020-12-01 16:17:11,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:17:11,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:11,688 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:17:12,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:12,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 195 states and 379 transitions. [2020-12-01 16:17:12,060 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 379 transitions. [2020-12-01 16:17:12,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:17:12,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:12,121 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:17:13,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:13,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 205 states and 396 transitions. [2020-12-01 16:17:13,901 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 396 transitions. [2020-12-01 16:17:13,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:17:13,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:13,968 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 16:17:13,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:13,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 206 states and 396 transitions. [2020-12-01 16:17:13,990 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 396 transitions. [2020-12-01 16:17:13,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 16:17:13,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:14,025 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:17:16,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:16,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 214 states and 416 transitions. [2020-12-01 16:17:16,022 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 416 transitions. [2020-12-01 16:17:16,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:17:16,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:16,080 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:17:16,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:16,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 215 states and 417 transitions. [2020-12-01 16:17:16,106 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 417 transitions. [2020-12-01 16:17:16,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:17:16,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:16,166 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:17:16,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:16,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 216 states and 418 transitions. [2020-12-01 16:17:16,189 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 418 transitions. [2020-12-01 16:17:16,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:17:16,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:16,224 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:17:16,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:16,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 217 states and 421 transitions. [2020-12-01 16:17:16,237 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 421 transitions. [2020-12-01 16:17:16,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 16:17:16,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:16,271 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:17:16,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:16,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 218 states and 424 transitions. [2020-12-01 16:17:16,692 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 424 transitions. [2020-12-01 16:17:16,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 16:17:16,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:16,729 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:17:16,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:16,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 219 states and 425 transitions. [2020-12-01 16:17:16,770 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 425 transitions. [2020-12-01 16:17:16,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 16:17:16,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:16,812 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 16:17:17,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:17,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 222 states and 421 transitions. [2020-12-01 16:17:17,446 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 421 transitions. [2020-12-01 16:17:17,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:17:17,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:17,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:17,500 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 16:17:17,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:17,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 225 states and 425 transitions. [2020-12-01 16:17:17,666 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 425 transitions. [2020-12-01 16:17:17,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 16:17:17,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:17,700 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:17:18,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:18,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 230 states and 433 transitions. [2020-12-01 16:17:18,042 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 433 transitions. [2020-12-01 16:17:18,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 16:17:18,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:18,079 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 16:17:18,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:18,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 235 states and 442 transitions. [2020-12-01 16:17:18,257 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 442 transitions. [2020-12-01 16:17:18,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 16:17:18,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:18,300 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 16:17:18,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:18,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 236 states and 442 transitions. [2020-12-01 16:17:18,313 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 442 transitions. [2020-12-01 16:17:18,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 16:17:18,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:18,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:18,351 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 16:17:18,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:18,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 239 states and 446 transitions. [2020-12-01 16:17:18,555 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 446 transitions. [2020-12-01 16:17:18,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 16:17:18,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:18,598 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:17:18,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:18,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 240 states and 447 transitions. [2020-12-01 16:17:18,660 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 447 transitions. [2020-12-01 16:17:18,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 16:17:18,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:18,702 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 16:17:19,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:19,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 241 states and 450 transitions. [2020-12-01 16:17:19,071 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 450 transitions. [2020-12-01 16:17:19,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 16:17:19,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:19,107 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 16:17:19,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:19,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 242 states and 451 transitions. [2020-12-01 16:17:19,128 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 451 transitions. [2020-12-01 16:17:19,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 16:17:19,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:19,166 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 16:17:19,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:19,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 244 states and 456 transitions. [2020-12-01 16:17:19,198 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 456 transitions. [2020-12-01 16:17:19,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 16:17:19,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:19,236 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:17:19,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:19,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 247 states and 460 transitions. [2020-12-01 16:17:19,440 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 460 transitions. [2020-12-01 16:17:19,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 16:17:19,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:19,482 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 16:17:19,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:19,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 248 states and 460 transitions. [2020-12-01 16:17:19,501 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 460 transitions. [2020-12-01 16:17:19,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 16:17:19,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:19,575 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:17:19,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:19,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 249 states and 461 transitions. [2020-12-01 16:17:19,603 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 461 transitions. [2020-12-01 16:17:19,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 16:17:19,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:19,654 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 16:17:19,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:19,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 252 states and 464 transitions. [2020-12-01 16:17:19,687 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 464 transitions. [2020-12-01 16:17:19,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 16:17:19,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:19,738 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 16:17:19,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:19,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 253 states and 465 transitions. [2020-12-01 16:17:19,774 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 465 transitions. [2020-12-01 16:17:19,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-01 16:17:19,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:19,820 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:17:19,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:19,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 255 states and 467 transitions. [2020-12-01 16:17:19,847 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 467 transitions. [2020-12-01 16:17:19,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-01 16:17:19,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:19,890 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:17:19,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:19,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 88 states and 120 transitions. [2020-12-01 16:17:19,907 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 120 transitions. [2020-12-01 16:17:19,907 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:17:19,908 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 58 iterations. [2020-12-01 16:17:19,924 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:17:20,330 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:17:20,335 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:17:20,335 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:17:20,336 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:17:20,336 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-12-01 16:17:20,350 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:17:20,351 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-12-01 16:17:20,356 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:17:20,356 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:17:20,357 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:17:20,357 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:17:20,357 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2020-12-01 16:17:20,358 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:17:20,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:17:20 ImpRootNode [2020-12-01 16:17:20,359 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:17:20,360 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:17:20,360 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:17:20,360 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:17:20,361 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:16:58" (3/4) ... [2020-12-01 16:17:20,374 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:17:20,382 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-12-01 16:17:20,382 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-12-01 16:17:20,382 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 16:17:20,383 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 16:17:20,383 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 16:17:20,383 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-12-01 16:17:20,383 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 16:17:20,399 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2020-12-01 16:17:20,400 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-12-01 16:17:20,401 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 16:17:20,402 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 16:17:20,403 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 16:17:20,403 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:17:20,404 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:17:20,434 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 16:17:20,435 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0)) || (methaneLevelCritical == 0 && !(0 == systemActive)) [2020-12-01 16:17:20,500 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d2a74d31-1547-4c52-a69c-25fefbb238f0/bin/ukojak/witness.graphml [2020-12-01 16:17:20,500 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:17:20,502 INFO L168 Benchmark]: Toolchain (without parser) took 23912.90 ms. Allocated memory was 107.0 MB in the beginning and 408.9 MB in the end (delta: 302.0 MB). Free memory was 78.0 MB in the beginning and 206.2 MB in the end (delta: -128.2 MB). Peak memory consumption was 173.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:20,503 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 107.0 MB. Free memory is still 64.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:17:20,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 616.50 ms. Allocated memory was 107.0 MB in the beginning and 146.8 MB in the end (delta: 39.8 MB). Free memory was 77.6 MB in the beginning and 112.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:20,506 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.85 ms. Allocated memory is still 146.8 MB. Free memory was 112.8 MB in the beginning and 110.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:20,507 INFO L168 Benchmark]: Boogie Preprocessor took 34.42 ms. Allocated memory is still 146.8 MB. Free memory was 110.0 MB in the beginning and 107.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:20,507 INFO L168 Benchmark]: RCFGBuilder took 1632.31 ms. Allocated memory is still 146.8 MB. Free memory was 107.9 MB in the beginning and 108.4 MB in the end (delta: -497.3 kB). Peak memory consumption was 59.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:20,508 INFO L168 Benchmark]: CodeCheck took 21400.68 ms. Allocated memory was 146.8 MB in the beginning and 408.9 MB in the end (delta: 262.1 MB). Free memory was 108.4 MB in the beginning and 211.5 MB in the end (delta: -103.0 MB). Peak memory consumption was 158.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:20,508 INFO L168 Benchmark]: Witness Printer took 140.27 ms. Allocated memory is still 408.9 MB. Free memory was 211.5 MB in the beginning and 206.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:20,511 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.9s, OverallIterations: 58, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2026640448 SDtfs, 2008053968 SDslu, 236981028 SDs, 0 SdLazy, 1655867072 SolverSat, 71788688 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 55.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25551 GetRequests, 25244 SyntacticMatches, 35 SemanticMatches, 272 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33287 ImplicationChecksByTransitivity, 14.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 2432 NumberOfCodeBlocks, 2432 NumberOfCodeBlocksAsserted, 57 NumberOfCheckSat, 2375 ConstructedInterpolants, 0 QuantifiedInterpolants, 213860 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 57 InterpolantComputations, 48 PerfectInterpolantSequences, 890/930 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: 224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0)) || (methaneLevelCritical == 0 && !(0 == systemActive)) - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 107.0 MB. Free memory is still 64.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 616.50 ms. Allocated memory was 107.0 MB in the beginning and 146.8 MB in the end (delta: 39.8 MB). Free memory was 77.6 MB in the beginning and 112.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.85 ms. Allocated memory is still 146.8 MB. Free memory was 112.8 MB in the beginning and 110.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.42 ms. Allocated memory is still 146.8 MB. Free memory was 110.0 MB in the beginning and 107.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1632.31 ms. Allocated memory is still 146.8 MB. Free memory was 107.9 MB in the beginning and 108.4 MB in the end (delta: -497.3 kB). Peak memory consumption was 59.6 MB. Max. memory is 16.1 GB. * CodeCheck took 21400.68 ms. Allocated memory was 146.8 MB in the beginning and 408.9 MB in the end (delta: 262.1 MB). Free memory was 108.4 MB in the beginning and 211.5 MB in the end (delta: -103.0 MB). Peak memory consumption was 158.9 MB. Max. memory is 16.1 GB. * Witness Printer took 140.27 ms. Allocated memory is still 408.9 MB. Free memory was 211.5 MB in the beginning and 206.2 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...