./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product27_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b7da9fa4-264a-4e7d-b010-80186e8b56b3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b7da9fa4-264a-4e7d-b010-80186e8b56b3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b7da9fa4-264a-4e7d-b010-80186e8b56b3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b7da9fa4-264a-4e7d-b010-80186e8b56b3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product27_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b7da9fa4-264a-4e7d-b010-80186e8b56b3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b7da9fa4-264a-4e7d-b010-80186e8b56b3/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b49fd66662c490ea81dc99d4f21b657b1bc3f920 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 02:43:18,944 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 02:43:18,945 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 02:43:18,953 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 02:43:18,953 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 02:43:18,954 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 02:43:18,955 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 02:43:18,956 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 02:43:18,957 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 02:43:18,957 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 02:43:18,958 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 02:43:18,958 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 02:43:18,959 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 02:43:18,960 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 02:43:18,960 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 02:43:18,961 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 02:43:18,961 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 02:43:18,963 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 02:43:18,964 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 02:43:18,965 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 02:43:18,966 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 02:43:18,967 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 02:43:18,968 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 02:43:18,968 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 02:43:18,969 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 02:43:18,969 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 02:43:18,970 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 02:43:18,971 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 02:43:18,971 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 02:43:18,972 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 02:43:18,972 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 02:43:18,973 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 02:43:18,973 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 02:43:18,973 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 02:43:18,974 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 02:43:18,975 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 02:43:18,975 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b7da9fa4-264a-4e7d-b010-80186e8b56b3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 02:43:18,986 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 02:43:18,986 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 02:43:18,987 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 02:43:18,987 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 02:43:18,987 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 02:43:18,987 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 02:43:18,987 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 02:43:18,988 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 02:43:18,988 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 02:43:18,988 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 02:43:18,988 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 02:43:18,988 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 02:43:18,988 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 02:43:18,988 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 02:43:18,988 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 02:43:18,989 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 02:43:18,989 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 02:43:18,989 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 02:43:18,989 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 02:43:18,989 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 02:43:18,989 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 02:43:18,989 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 02:43:18,989 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 02:43:18,990 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 02:43:18,990 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 02:43:18,990 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 02:43:18,990 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 02:43:18,990 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 02:43:18,990 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_b7da9fa4-264a-4e7d-b010-80186e8b56b3/bin-2019/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(__VERIFIER_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 -> b49fd66662c490ea81dc99d4f21b657b1bc3f920 [2018-11-10 02:43:19,013 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 02:43:19,022 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 02:43:19,024 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 02:43:19,025 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 02:43:19,026 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 02:43:19,026 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b7da9fa4-264a-4e7d-b010-80186e8b56b3/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product27_true-unreach-call_false-termination.cil.c [2018-11-10 02:43:19,070 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b7da9fa4-264a-4e7d-b010-80186e8b56b3/bin-2019/ukojak/data/31155edc2/9c064d3f45a044b0b748125e75c8d7ff/FLAG0270ebf1f [2018-11-10 02:43:19,492 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 02:43:19,493 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b7da9fa4-264a-4e7d-b010-80186e8b56b3/sv-benchmarks/c/product-lines/minepump_spec1_product27_true-unreach-call_false-termination.cil.c [2018-11-10 02:43:19,499 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b7da9fa4-264a-4e7d-b010-80186e8b56b3/bin-2019/ukojak/data/31155edc2/9c064d3f45a044b0b748125e75c8d7ff/FLAG0270ebf1f [2018-11-10 02:43:19,507 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b7da9fa4-264a-4e7d-b010-80186e8b56b3/bin-2019/ukojak/data/31155edc2/9c064d3f45a044b0b748125e75c8d7ff [2018-11-10 02:43:19,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 02:43:19,510 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 02:43:19,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 02:43:19,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 02:43:19,514 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 02:43:19,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:43:19" (1/1) ... [2018-11-10 02:43:19,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70607c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:43:19, skipping insertion in model container [2018-11-10 02:43:19,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:43:19" (1/1) ... [2018-11-10 02:43:19,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 02:43:19,552 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 02:43:19,730 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:43:19,738 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 02:43:19,791 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:43:19,810 INFO L193 MainTranslator]: Completed translation [2018-11-10 02:43:19,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:43:19 WrapperNode [2018-11-10 02:43:19,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 02:43:19,811 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 02:43:19,811 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 02:43:19,811 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 02:43:19,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:43:19" (1/1) ... [2018-11-10 02:43:19,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:43:19" (1/1) ... [2018-11-10 02:43:19,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 02:43:19,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 02:43:19,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 02:43:19,893 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 02:43:19,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:43:19" (1/1) ... [2018-11-10 02:43:19,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:43:19" (1/1) ... [2018-11-10 02:43:19,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:43:19" (1/1) ... [2018-11-10 02:43:19,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:43:19" (1/1) ... [2018-11-10 02:43:19,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:43:19" (1/1) ... [2018-11-10 02:43:19,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:43:19" (1/1) ... [2018-11-10 02:43:19,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:43:19" (1/1) ... [2018-11-10 02:43:19,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 02:43:19,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 02:43:19,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 02:43:19,911 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 02:43:19,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:43:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b7da9fa4-264a-4e7d-b010-80186e8b56b3/bin-2019/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 [2018-11-10 02:43:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 02:43:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 02:43:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 02:43:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 02:43:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 02:43:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 02:43:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 02:43:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 02:43:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 02:43:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 02:43:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 02:43:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 02:43:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 02:43:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 02:43:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 02:43:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 02:43:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 02:43:20,849 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 02:43:20,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:43:20 BoogieIcfgContainer [2018-11-10 02:43:20,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 02:43:20,850 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 02:43:20,850 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 02:43:20,859 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 02:43:20,859 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:43:20" (1/1) ... [2018-11-10 02:43:20,868 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:43:20,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:20,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 58 states and 78 transitions. [2018-11-10 02:43:20,900 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2018-11-10 02:43:20,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 02:43:20,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:21,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:43:21,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:21,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 75 transitions. [2018-11-10 02:43:21,062 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2018-11-10 02:43:21,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 02:43:21,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:21,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:43:21,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:21,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 61 states and 79 transitions. [2018-11-10 02:43:21,165 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2018-11-10 02:43:21,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 02:43:21,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:21,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:43:21,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:21,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 72 states and 100 transitions. [2018-11-10 02:43:21,382 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2018-11-10 02:43:21,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 02:43:21,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:21,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:43:21,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:21,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 101 transitions. [2018-11-10 02:43:21,429 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2018-11-10 02:43:21,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 02:43:21,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:21,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:43:21,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:21,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 74 states and 102 transitions. [2018-11-10 02:43:21,478 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2018-11-10 02:43:21,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 02:43:21,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:21,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:43:21,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:21,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 75 states and 103 transitions. [2018-11-10 02:43:21,522 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2018-11-10 02:43:21,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 02:43:21,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:21,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:43:22,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:22,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 93 states and 139 transitions. [2018-11-10 02:43:22,043 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 139 transitions. [2018-11-10 02:43:22,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 02:43:22,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:22,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:43:22,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:22,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 99 states and 151 transitions. [2018-11-10 02:43:22,084 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 151 transitions. [2018-11-10 02:43:22,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 02:43:22,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:22,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:22,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:43:22,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:22,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 112 states and 178 transitions. [2018-11-10 02:43:22,579 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 178 transitions. [2018-11-10 02:43:22,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 02:43:22,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:22,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:43:22,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:22,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 120 states and 194 transitions. [2018-11-10 02:43:22,731 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 194 transitions. [2018-11-10 02:43:22,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 02:43:22,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:22,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:22,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:43:22,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:22,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 121 states and 195 transitions. [2018-11-10 02:43:22,767 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 195 transitions. [2018-11-10 02:43:22,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 02:43:22,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:22,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:43:23,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:23,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 128 states and 205 transitions. [2018-11-10 02:43:23,069 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 205 transitions. [2018-11-10 02:43:23,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 02:43:23,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:23,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:43:23,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:23,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 130 states and 207 transitions. [2018-11-10 02:43:23,130 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 207 transitions. [2018-11-10 02:43:23,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 02:43:23,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:23,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:43:23,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:23,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 136 states and 217 transitions. [2018-11-10 02:43:23,273 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 217 transitions. [2018-11-10 02:43:23,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 02:43:23,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:23,331 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 02:43:23,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:23,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 147 states and 242 transitions. [2018-11-10 02:43:23,794 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 242 transitions. [2018-11-10 02:43:23,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 02:43:23,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:23,817 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 02:43:23,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:23,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 145 states and 238 transitions. [2018-11-10 02:43:23,831 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 238 transitions. [2018-11-10 02:43:23,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 02:43:23,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:23,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:23,849 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 02:43:23,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:23,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 146 states and 239 transitions. [2018-11-10 02:43:23,867 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 239 transitions. [2018-11-10 02:43:23,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 02:43:23,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:24,070 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 02:43:24,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:24,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 149 states and 244 transitions. [2018-11-10 02:43:24,637 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 244 transitions. [2018-11-10 02:43:24,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 02:43:24,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:24,682 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 02:43:24,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:24,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 152 states and 246 transitions. [2018-11-10 02:43:24,836 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 246 transitions. [2018-11-10 02:43:24,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 02:43:24,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:24,861 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 02:43:25,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:25,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 160 states and 259 transitions. [2018-11-10 02:43:25,035 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 259 transitions. [2018-11-10 02:43:25,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 02:43:25,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:25,058 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 02:43:25,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:25,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 163 states and 261 transitions. [2018-11-10 02:43:25,211 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 261 transitions. [2018-11-10 02:43:25,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 02:43:25,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:25,227 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 02:43:25,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:25,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 164 states and 261 transitions. [2018-11-10 02:43:25,232 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 261 transitions. [2018-11-10 02:43:25,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 02:43:25,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:25,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:25,247 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 02:43:25,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:25,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 167 states and 268 transitions. [2018-11-10 02:43:25,402 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 268 transitions. [2018-11-10 02:43:25,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 02:43:25,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:25,420 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 02:43:25,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:25,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 168 states and 269 transitions. [2018-11-10 02:43:25,433 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 269 transitions. [2018-11-10 02:43:25,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 02:43:25,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:25,451 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 02:43:25,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:25,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 171 states and 276 transitions. [2018-11-10 02:43:25,737 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 276 transitions. [2018-11-10 02:43:25,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 02:43:25,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:25,755 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 02:43:25,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:25,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 172 states and 277 transitions. [2018-11-10 02:43:25,765 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 277 transitions. [2018-11-10 02:43:25,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 02:43:25,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:25,828 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 02:43:27,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:27,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 189 states and 316 transitions. [2018-11-10 02:43:27,028 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 316 transitions. [2018-11-10 02:43:27,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 02:43:27,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:27,049 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 02:43:27,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:27,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 192 states and 318 transitions. [2018-11-10 02:43:27,222 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 318 transitions. [2018-11-10 02:43:27,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 02:43:27,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:27,244 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 02:43:27,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:27,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 193 states and 318 transitions. [2018-11-10 02:43:27,252 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 318 transitions. [2018-11-10 02:43:27,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 02:43:27,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:27,273 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 02:43:28,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:28,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 203 states and 339 transitions. [2018-11-10 02:43:28,269 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 339 transitions. [2018-11-10 02:43:28,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 02:43:28,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:28,290 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 02:43:28,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:28,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 207 states and 343 transitions. [2018-11-10 02:43:28,746 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 343 transitions. [2018-11-10 02:43:28,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 02:43:28,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:28,764 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 02:43:28,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:28,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 208 states and 344 transitions. [2018-11-10 02:43:28,776 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 344 transitions. [2018-11-10 02:43:28,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 02:43:28,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:28,792 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 02:43:28,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:28,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 207 states and 341 transitions. [2018-11-10 02:43:28,983 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 341 transitions. [2018-11-10 02:43:28,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 02:43:28,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:28,999 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 02:43:29,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:29,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 208 states and 342 transitions. [2018-11-10 02:43:29,015 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 342 transitions. [2018-11-10 02:43:29,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 02:43:29,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:29,097 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 02:43:29,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:29,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 211 states and 346 transitions. [2018-11-10 02:43:29,158 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 346 transitions. [2018-11-10 02:43:29,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 02:43:29,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:29,178 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 02:43:29,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:29,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 209 states and 342 transitions. [2018-11-10 02:43:29,195 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 342 transitions. [2018-11-10 02:43:29,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-10 02:43:29,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:29,214 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 02:43:29,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:29,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 210 states and 341 transitions. [2018-11-10 02:43:29,372 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 341 transitions. [2018-11-10 02:43:29,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-10 02:43:29,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:29,392 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 02:43:29,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:29,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 164 states and 247 transitions. [2018-11-10 02:43:29,582 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 247 transitions. [2018-11-10 02:43:29,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-10 02:43:29,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:29,601 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 02:43:29,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:29,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 168 states and 254 transitions. [2018-11-10 02:43:29,744 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 254 transitions. [2018-11-10 02:43:29,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 02:43:29,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:29,763 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 02:43:29,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:29,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 169 states and 254 transitions. [2018-11-10 02:43:29,780 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 254 transitions. [2018-11-10 02:43:29,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 02:43:29,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:29,798 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 02:43:29,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:29,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 167 states and 250 transitions. [2018-11-10 02:43:29,818 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 250 transitions. [2018-11-10 02:43:29,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 02:43:29,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:29,835 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 02:43:30,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:30,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 168 states and 253 transitions. [2018-11-10 02:43:30,088 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 253 transitions. [2018-11-10 02:43:30,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 02:43:30,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:30,106 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 02:43:30,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:30,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 170 states and 256 transitions. [2018-11-10 02:43:30,148 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 256 transitions. [2018-11-10 02:43:30,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-10 02:43:30,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:30,222 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-10 02:43:30,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:30,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 173 states and 257 transitions. [2018-11-10 02:43:30,961 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 257 transitions. [2018-11-10 02:43:30,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 02:43:30,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:30,978 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 02:43:31,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:31,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 174 states and 257 transitions. [2018-11-10 02:43:31,009 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 257 transitions. [2018-11-10 02:43:31,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 02:43:31,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:31,031 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 02:43:31,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:31,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 176 states and 259 transitions. [2018-11-10 02:43:31,055 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 259 transitions. [2018-11-10 02:43:31,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-10 02:43:31,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:31,074 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 02:43:31,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:31,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 167 states and 242 transitions. [2018-11-10 02:43:31,121 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 242 transitions. [2018-11-10 02:43:31,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-10 02:43:31,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:31,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:31,140 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-10 02:43:31,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:31,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 169 states and 245 transitions. [2018-11-10 02:43:31,159 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 245 transitions. [2018-11-10 02:43:31,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-10 02:43:31,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:31,177 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-10 02:43:31,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:31,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 170 states and 246 transitions. [2018-11-10 02:43:31,204 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 246 transitions. [2018-11-10 02:43:31,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-10 02:43:31,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:43:31,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:43:31,221 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-10 02:43:31,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:43:31,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 100 states and 131 transitions. [2018-11-10 02:43:31,243 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 131 transitions. [2018-11-10 02:43:31,243 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 02:43:31,243 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 51 iterations. [2018-11-10 02:43:31,251 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 02:43:31,477 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-11-10 02:43:31,483 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 02:43:31,483 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 02:43:31,483 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 02:43:31,483 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-11-10 02:43:31,484 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 02:43:31,485 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-11-10 02:43:31,486 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 02:43:31,486 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 02:43:31,486 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 02:43:31,486 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 02:43:31,487 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-11-10 02:43:31,487 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 02:43:31,487 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 02:43:31,487 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 02:43:31,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 02:43:31 ImpRootNode [2018-11-10 02:43:31,488 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 02:43:31,488 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 02:43:31,488 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 02:43:31,488 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 02:43:31,489 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:43:20" (3/4) ... [2018-11-10 02:43:31,492 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 02:43:31,496 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 02:43:31,496 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 02:43:31,496 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 02:43:31,496 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 02:43:31,496 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 02:43:31,496 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 02:43:31,496 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 02:43:31,501 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2018-11-10 02:43:31,501 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-11-10 02:43:31,502 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-10 02:43:31,521 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) && !(systemActive == 0)) || pumpRunning == \old(pumpRunning)) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) [2018-11-10 02:43:31,522 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == pumpRunning) || pumpRunning == \old(pumpRunning) [2018-11-10 02:43:31,522 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == \old(pumpRunning)) && !(tmp == 0)) || tmp == methaneLevelCritical) || (!(0 == pumpRunning) && !(tmp == 0)) [2018-11-10 02:43:31,553 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b7da9fa4-264a-4e7d-b010-80186e8b56b3/bin-2019/ukojak/witness.graphml [2018-11-10 02:43:31,553 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 02:43:31,554 INFO L168 Benchmark]: Toolchain (without parser) took 12044.74 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 472.4 MB). Free memory was 960.2 MB in the beginning and 1.2 GB in the end (delta: -231.7 MB). Peak memory consumption was 240.7 MB. Max. memory is 11.5 GB. [2018-11-10 02:43:31,555 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:43:31,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.71 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 936.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 02:43:31,555 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 936.1 MB in the beginning and 1.1 GB in the end (delta: -189.6 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 02:43:31,555 INFO L168 Benchmark]: Boogie Preprocessor took 17.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 02:43:31,556 INFO L168 Benchmark]: RCFGBuilder took 938.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 102.8 MB). Peak memory consumption was 102.8 MB. Max. memory is 11.5 GB. [2018-11-10 02:43:31,556 INFO L168 Benchmark]: CodeCheck took 10638.13 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 340.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -172.4 MB). Peak memory consumption was 167.8 MB. Max. memory is 11.5 GB. [2018-11-10 02:43:31,556 INFO L168 Benchmark]: Witness Printer took 65.46 ms. Allocated memory is still 1.5 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:43:31,557 INFO L336 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, 118 locations, 1 error locations. SAFE Result, 10.3s OverallTime, 51 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 182814756 SDtfs, -1547843668 SDslu, -63024676 SDs, 0 SdLazy, 348916444 SolverSat, -147392332 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20845 GetRequests, 20310 SyntacticMatches, 275 SemanticMatches, 260 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29561 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 2254 NumberOfCodeBlocks, 2254 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 2204 ConstructedInterpolants, 0 QuantifiedInterpolants, 218380 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 50 InterpolantComputations, 37 PerfectInterpolantSequences, 861/920 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 82]: 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: 192]: Loop Invariant Derived loop invariant: ((!(pumpRunning == \old(pumpRunning)) && !(tmp == 0)) || tmp == methaneLevelCritical) || (!(0 == pumpRunning) && !(tmp == 0)) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || pumpRunning == \old(pumpRunning) - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) && !(systemActive == 0)) || pumpRunning == \old(pumpRunning)) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 0 == pumpRunning) && tmp == systemActive) && tmp == 1 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 299.71 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 936.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 82.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 936.1 MB in the beginning and 1.1 GB in the end (delta: -189.6 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 938.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 102.8 MB). Peak memory consumption was 102.8 MB. Max. memory is 11.5 GB. * CodeCheck took 10638.13 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 340.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -172.4 MB). Peak memory consumption was 167.8 MB. Max. memory is 11.5 GB. * Witness Printer took 65.46 ms. Allocated memory is still 1.5 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...