./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product21_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_42d15693-cb27-4ff4-81f8-ce88374d3967/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_42d15693-cb27-4ff4-81f8-ce88374d3967/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_42d15693-cb27-4ff4-81f8-ce88374d3967/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_42d15693-cb27-4ff4-81f8-ce88374d3967/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product21_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_42d15693-cb27-4ff4-81f8-ce88374d3967/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_42d15693-cb27-4ff4-81f8-ce88374d3967/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 b51e4d4f6750e9cf93bd85ecf4b933ea1ea8886c ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 01:59:31,929 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:59:31,930 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:59:31,937 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:59:31,937 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:59:31,938 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:59:31,939 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:59:31,941 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:59:31,942 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:59:31,943 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:59:31,944 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:59:31,944 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:59:31,944 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:59:31,945 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:59:31,946 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:59:31,946 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:59:31,947 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:59:31,948 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:59:31,950 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:59:31,951 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:59:31,951 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:59:31,952 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:59:31,953 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:59:31,954 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:59:31,954 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:59:31,954 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:59:31,955 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:59:31,955 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:59:31,956 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:59:31,957 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:59:31,957 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:59:31,958 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:59:31,958 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:59:31,958 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:59:31,959 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:59:31,960 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:59:31,960 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_42d15693-cb27-4ff4-81f8-ce88374d3967/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 01:59:31,968 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:59:31,968 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:59:31,969 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:59:31,969 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 01:59:31,969 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 01:59:31,970 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 01:59:31,970 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:59:31,970 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:59:31,970 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:59:31,970 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:59:31,970 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:59:31,970 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:59:31,971 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:59:31,971 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:59:31,971 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:59:31,971 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:59:31,971 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:59:31,971 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:59:31,971 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 01:59:31,972 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 01:59:31,972 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:59:31,972 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:59:31,972 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 01:59:31,972 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:59:31,972 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:59:31,973 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:59:31,973 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 01:59:31,973 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:59:31,973 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:59:31,973 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_42d15693-cb27-4ff4-81f8-ce88374d3967/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 -> b51e4d4f6750e9cf93bd85ecf4b933ea1ea8886c [2018-11-23 01:59:32,001 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:59:32,010 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:59:32,012 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:59:32,013 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:59:32,013 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:59:32,013 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_42d15693-cb27-4ff4-81f8-ce88374d3967/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product21_true-unreach-call_false-termination.cil.c [2018-11-23 01:59:32,055 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_42d15693-cb27-4ff4-81f8-ce88374d3967/bin-2019/ukojak/data/82030fb6f/a5211d0c09aa42a88b7e65b64c9ce3f7/FLAG85657389f [2018-11-23 01:59:32,451 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:59:32,452 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_42d15693-cb27-4ff4-81f8-ce88374d3967/sv-benchmarks/c/product-lines/minepump_spec2_product21_true-unreach-call_false-termination.cil.c [2018-11-23 01:59:32,459 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_42d15693-cb27-4ff4-81f8-ce88374d3967/bin-2019/ukojak/data/82030fb6f/a5211d0c09aa42a88b7e65b64c9ce3f7/FLAG85657389f [2018-11-23 01:59:32,830 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_42d15693-cb27-4ff4-81f8-ce88374d3967/bin-2019/ukojak/data/82030fb6f/a5211d0c09aa42a88b7e65b64c9ce3f7 [2018-11-23 01:59:32,834 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:59:32,835 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:59:32,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:59:32,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:59:32,839 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:59:32,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:59:32" (1/1) ... [2018-11-23 01:59:32,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e0cf10d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:32, skipping insertion in model container [2018-11-23 01:59:32,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:59:32" (1/1) ... [2018-11-23 01:59:32,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:59:32,884 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:59:33,091 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:59:33,100 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:59:33,196 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:59:33,216 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:59:33,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:33 WrapperNode [2018-11-23 01:59:33,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:59:33,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:59:33,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:59:33,217 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:59:33,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:33" (1/1) ... [2018-11-23 01:59:33,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:33" (1/1) ... [2018-11-23 01:59:33,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:59:33,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:59:33,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:59:33,262 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:59:33,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:33" (1/1) ... [2018-11-23 01:59:33,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:33" (1/1) ... [2018-11-23 01:59:33,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:33" (1/1) ... [2018-11-23 01:59:33,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:33" (1/1) ... [2018-11-23 01:59:33,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:33" (1/1) ... [2018-11-23 01:59:33,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:33" (1/1) ... [2018-11-23 01:59:33,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:33" (1/1) ... [2018-11-23 01:59:33,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:59:33,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:59:33,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:59:33,288 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:59:33,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:59:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_42d15693-cb27-4ff4-81f8-ce88374d3967/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 [2018-11-23 01:59:33,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 01:59:33,326 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 01:59:33,326 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 01:59:33,326 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 01:59:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 01:59:33,327 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 01:59:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 01:59:33,327 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 01:59:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 01:59:33,327 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 01:59:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 01:59:33,327 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 01:59:33,327 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 01:59:33,328 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 01:59:33,328 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 01:59:33,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 01:59:33,328 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 01:59:33,328 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 01:59:33,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:59:33,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:59:33,904 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:59:33,904 INFO L280 CfgBuilder]: Removed 36 assue(true) statements. [2018-11-23 01:59:33,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:59:33 BoogieIcfgContainer [2018-11-23 01:59:33,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:59:33,905 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 01:59:33,905 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 01:59:33,911 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 01:59:33,911 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:59:33" (1/1) ... [2018-11-23 01:59:33,919 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:59:33,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:33,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 60 states and 80 transitions. [2018-11-23 01:59:33,945 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2018-11-23 01:59:33,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 01:59:33,950 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:34,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:34,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:59:34,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:34,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 78 transitions. [2018-11-23 01:59:34,094 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2018-11-23 01:59:34,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 01:59:34,095 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:34,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:34,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:59:34,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:34,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 62 states and 81 transitions. [2018-11-23 01:59:34,193 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2018-11-23 01:59:34,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 01:59:34,194 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:34,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:59:34,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:34,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 71 states and 99 transitions. [2018-11-23 01:59:34,364 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2018-11-23 01:59:34,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 01:59:34,365 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:34,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:34,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:59:34,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:34,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 72 states and 100 transitions. [2018-11-23 01:59:34,418 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2018-11-23 01:59:34,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 01:59:34,419 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:34,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:59:34,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:34,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 101 transitions. [2018-11-23 01:59:34,470 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2018-11-23 01:59:34,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 01:59:34,471 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:34,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:59:34,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:34,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 88 states and 131 transitions. [2018-11-23 01:59:34,835 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 131 transitions. [2018-11-23 01:59:34,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 01:59:34,836 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:34,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:59:34,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:34,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 89 states and 132 transitions. [2018-11-23 01:59:34,881 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 132 transitions. [2018-11-23 01:59:34,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 01:59:34,883 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:34,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:59:35,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:35,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 99 states and 153 transitions. [2018-11-23 01:59:35,342 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 153 transitions. [2018-11-23 01:59:35,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 01:59:35,343 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:35,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:59:35,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:35,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 100 states and 154 transitions. [2018-11-23 01:59:35,376 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 154 transitions. [2018-11-23 01:59:35,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 01:59:35,377 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:35,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:59:35,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:35,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 101 states and 157 transitions. [2018-11-23 01:59:35,471 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 157 transitions. [2018-11-23 01:59:35,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 01:59:35,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:35,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:59:36,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:36,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 119 states and 197 transitions. [2018-11-23 01:59:36,041 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 197 transitions. [2018-11-23 01:59:36,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 01:59:36,042 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:36,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:59:36,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:36,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 124 states and 207 transitions. [2018-11-23 01:59:36,286 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 207 transitions. [2018-11-23 01:59:36,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 01:59:36,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:36,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:36,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:59:36,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:36,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 125 states and 208 transitions. [2018-11-23 01:59:36,318 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 208 transitions. [2018-11-23 01:59:36,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 01:59:36,318 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:36,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:59:36,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:36,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 130 states and 218 transitions. [2018-11-23 01:59:36,547 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 218 transitions. [2018-11-23 01:59:36,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 01:59:36,548 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:36,605 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:59:36,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:36,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 136 states and 235 transitions. [2018-11-23 01:59:36,884 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 235 transitions. [2018-11-23 01:59:36,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 01:59:36,885 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:36,905 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:59:36,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:36,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 134 states and 231 transitions. [2018-11-23 01:59:36,933 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 231 transitions. [2018-11-23 01:59:36,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 01:59:36,934 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:37,203 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 01:59:37,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:37,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 141 states and 249 transitions. [2018-11-23 01:59:37,906 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 249 transitions. [2018-11-23 01:59:37,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 01:59:37,907 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:37,924 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:59:38,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:38,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 143 states and 253 transitions. [2018-11-23 01:59:38,049 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 253 transitions. [2018-11-23 01:59:38,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 01:59:38,050 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:38,065 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:59:38,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:38,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 152 states and 271 transitions. [2018-11-23 01:59:38,273 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 271 transitions. [2018-11-23 01:59:38,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 01:59:38,274 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:38,294 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:59:38,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:38,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 153 states and 272 transitions. [2018-11-23 01:59:38,305 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 272 transitions. [2018-11-23 01:59:38,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 01:59:38,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:38,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:38,325 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:59:38,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:38,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 154 states and 273 transitions. [2018-11-23 01:59:38,374 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 273 transitions. [2018-11-23 01:59:38,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 01:59:38,375 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:38,443 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 01:59:39,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:39,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 169 states and 327 transitions. [2018-11-23 01:59:39,331 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 327 transitions. [2018-11-23 01:59:39,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 01:59:39,333 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:39,356 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 01:59:40,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:40,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 180 states and 370 transitions. [2018-11-23 01:59:40,441 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 370 transitions. [2018-11-23 01:59:40,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 01:59:40,442 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:40,556 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 01:59:41,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:41,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 188 states and 405 transitions. [2018-11-23 01:59:41,190 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 405 transitions. [2018-11-23 01:59:41,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 01:59:41,191 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:41,292 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 01:59:41,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:41,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 186 states and 386 transitions. [2018-11-23 01:59:41,313 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 386 transitions. [2018-11-23 01:59:41,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 01:59:41,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:41,341 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 01:59:41,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:41,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 188 states and 388 transitions. [2018-11-23 01:59:41,629 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 388 transitions. [2018-11-23 01:59:41,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 01:59:41,631 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:41,656 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 01:59:42,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:42,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 195 states and 418 transitions. [2018-11-23 01:59:42,126 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 418 transitions. [2018-11-23 01:59:42,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 01:59:42,128 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:42,149 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 01:59:42,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:42,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 197 states and 421 transitions. [2018-11-23 01:59:42,395 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 421 transitions. [2018-11-23 01:59:42,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 01:59:42,397 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:42,413 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 01:59:42,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:42,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 201 states and 434 transitions. [2018-11-23 01:59:42,812 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 434 transitions. [2018-11-23 01:59:42,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 01:59:42,813 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:43,054 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 01:59:43,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:43,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 204 states and 446 transitions. [2018-11-23 01:59:43,655 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 446 transitions. [2018-11-23 01:59:43,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 01:59:43,661 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:43,684 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 01:59:43,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:43,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 205 states and 449 transitions. [2018-11-23 01:59:43,702 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 449 transitions. [2018-11-23 01:59:43,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 01:59:43,705 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:43,727 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 01:59:43,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:43,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 206 states and 449 transitions. [2018-11-23 01:59:43,907 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 449 transitions. [2018-11-23 01:59:43,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 01:59:43,907 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:43,927 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 01:59:44,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:44,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 213 states and 463 transitions. [2018-11-23 01:59:44,193 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 463 transitions. [2018-11-23 01:59:44,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 01:59:44,194 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:44,210 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 01:59:44,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:44,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 220 states and 481 transitions. [2018-11-23 01:59:44,470 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 481 transitions. [2018-11-23 01:59:44,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 01:59:44,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:44,542 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:59:45,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:45,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 225 states and 490 transitions. [2018-11-23 01:59:45,132 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 490 transitions. [2018-11-23 01:59:45,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 01:59:45,133 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:45,200 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 01:59:45,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:45,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 227 states and 495 transitions. [2018-11-23 01:59:45,460 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 495 transitions. [2018-11-23 01:59:45,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 01:59:45,461 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:45,476 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 01:59:45,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:45,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 228 states and 496 transitions. [2018-11-23 01:59:45,488 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 496 transitions. [2018-11-23 01:59:45,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 01:59:45,488 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:45,504 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 01:59:45,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:45,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 235 states and 510 transitions. [2018-11-23 01:59:45,756 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 510 transitions. [2018-11-23 01:59:45,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 01:59:45,756 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:45,769 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 01:59:45,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:45,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 242 states and 529 transitions. [2018-11-23 01:59:45,980 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 529 transitions. [2018-11-23 01:59:45,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 01:59:45,980 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:45,993 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 01:59:46,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:46,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 243 states and 530 transitions. [2018-11-23 01:59:46,007 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 530 transitions. [2018-11-23 01:59:46,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 01:59:46,007 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:46,019 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 01:59:46,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:46,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 247 states and 543 transitions. [2018-11-23 01:59:46,420 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 543 transitions. [2018-11-23 01:59:46,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 01:59:46,421 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:46,434 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 01:59:46,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:46,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 248 states and 544 transitions. [2018-11-23 01:59:46,446 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 544 transitions. [2018-11-23 01:59:46,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 01:59:46,446 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:46,463 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 01:59:46,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:46,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 249 states and 545 transitions. [2018-11-23 01:59:46,668 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 545 transitions. [2018-11-23 01:59:46,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 01:59:46,669 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:46,686 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 01:59:46,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:46,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 250 states and 546 transitions. [2018-11-23 01:59:46,891 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 546 transitions. [2018-11-23 01:59:46,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 01:59:46,892 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:46,917 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 01:59:46,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:46,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 251 states and 547 transitions. [2018-11-23 01:59:46,949 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 547 transitions. [2018-11-23 01:59:46,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 01:59:46,950 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:46,973 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 01:59:46,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:46,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 252 states and 548 transitions. [2018-11-23 01:59:46,994 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 548 transitions. [2018-11-23 01:59:46,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 01:59:46,995 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:47,016 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 01:59:47,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:47,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 253 states and 549 transitions. [2018-11-23 01:59:47,044 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 549 transitions. [2018-11-23 01:59:47,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 01:59:47,045 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:47,066 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 01:59:47,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:47,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 257 states and 558 transitions. [2018-11-23 01:59:47,667 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 558 transitions. [2018-11-23 01:59:47,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-23 01:59:47,668 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:47,692 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 01:59:47,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:47,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 255 states and 554 transitions. [2018-11-23 01:59:47,724 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 554 transitions. [2018-11-23 01:59:47,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-23 01:59:47,725 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:47,749 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 01:59:48,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:48,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 246 states and 525 transitions. [2018-11-23 01:59:48,298 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 525 transitions. [2018-11-23 01:59:48,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-23 01:59:48,299 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:48,635 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 01:59:49,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:49,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 248 states and 526 transitions. [2018-11-23 01:59:49,114 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 526 transitions. [2018-11-23 01:59:49,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 01:59:49,115 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:49,136 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-23 01:59:49,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:49,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 250 states and 529 transitions. [2018-11-23 01:59:49,163 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 529 transitions. [2018-11-23 01:59:49,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 01:59:49,164 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:49,186 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-23 01:59:49,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:49,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 254 states and 536 transitions. [2018-11-23 01:59:49,528 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 536 transitions. [2018-11-23 01:59:49,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 01:59:49,529 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:49,555 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 01:59:49,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:49,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 255 states and 537 transitions. [2018-11-23 01:59:49,598 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 537 transitions. [2018-11-23 01:59:49,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 01:59:49,599 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:49,629 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 01:59:49,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:49,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 256 states and 538 transitions. [2018-11-23 01:59:49,996 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 538 transitions. [2018-11-23 01:59:49,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 01:59:49,997 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:50,017 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-23 01:59:50,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:50,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 251 states and 528 transitions. [2018-11-23 01:59:50,044 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 528 transitions. [2018-11-23 01:59:50,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 01:59:50,044 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:50,057 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-23 01:59:50,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:50,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 246 states and 516 transitions. [2018-11-23 01:59:50,073 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 516 transitions. [2018-11-23 01:59:50,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-23 01:59:50,074 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:50,090 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-23 01:59:50,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:50,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 246 states and 507 transitions. [2018-11-23 01:59:50,533 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 507 transitions. [2018-11-23 01:59:50,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-23 01:59:50,534 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:50,553 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-23 01:59:50,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:50,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 248 states and 510 transitions. [2018-11-23 01:59:50,778 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 510 transitions. [2018-11-23 01:59:50,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 01:59:50,778 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:59:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:59:50,794 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 01:59:51,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:59:51,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 107 states and 142 transitions. [2018-11-23 01:59:51,033 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 142 transitions. [2018-11-23 01:59:51,033 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 01:59:51,033 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 61 iterations. [2018-11-23 01:59:51,040 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 01:59:51,291 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:59:51,296 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:59:51,296 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:59:51,296 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:59:51,296 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:59:51,296 INFO L579 CodeCheckObserver]: Invariant with dag size 16 [2018-11-23 01:59:51,302 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:59:51,302 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-23 01:59:51,302 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:59:51,302 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:59:51,302 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-23 01:59:51,303 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:59:51,303 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:59:51,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:59:51 ImpRootNode [2018-11-23 01:59:51,305 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 01:59:51,305 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:59:51,305 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:59:51,305 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:59:51,306 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:59:33" (3/4) ... [2018-11-23 01:59:51,309 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 01:59:51,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 01:59:51,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 01:59:51,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 01:59:51,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 01:59:51,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 01:59:51,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 01:59:51,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 01:59:51,315 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 01:59:51,320 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2018-11-23 01:59:51,320 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 01:59:51,321 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 01:59:51,321 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 01:59:51,321 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 01:59:51,322 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:59:51,322 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:59:51,349 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || !(0 == pumpRunning)) || 0 == systemActive [2018-11-23 01:59:51,350 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2018-11-23 01:59:51,381 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_42d15693-cb27-4ff4-81f8-ce88374d3967/bin-2019/ukojak/witness.graphml [2018-11-23 01:59:51,381 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:59:51,381 INFO L168 Benchmark]: Toolchain (without parser) took 18547.48 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 451.9 MB). Free memory was 956.6 MB in the beginning and 864.7 MB in the end (delta: 91.8 MB). Peak memory consumption was 543.8 MB. Max. memory is 11.5 GB. [2018-11-23 01:59:51,382 INFO L168 Benchmark]: CDTParser took 0.13 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. [2018-11-23 01:59:51,383 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -172.7 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-23 01:59:51,383 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.78 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:59:51,383 INFO L168 Benchmark]: Boogie Preprocessor took 25.47 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:59:51,383 INFO L168 Benchmark]: RCFGBuilder took 617.31 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: 68.2 MB). Peak memory consumption was 68.2 MB. Max. memory is 11.5 GB. [2018-11-23 01:59:51,383 INFO L168 Benchmark]: CodeCheck took 17399.66 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 311.4 MB). Free memory was 1.1 GB in the beginning and 876.6 MB in the end (delta: 179.2 MB). Peak memory consumption was 490.6 MB. Max. memory is 11.5 GB. [2018-11-23 01:59:51,384 INFO L168 Benchmark]: Witness Printer took 76.00 ms. Allocated memory is still 1.5 GB. Free memory was 876.6 MB in the beginning and 864.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2018-11-23 01:59:51,385 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 9 procedures, 82 locations, 1 error locations. SAFE Result, 17.1s OverallTime, 61 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1840013216 SDtfs, 1731613920 SDslu, -164117872 SDs, 0 SdLazy, 322740808 SolverSat, -491880948 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 45.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36344 GetRequests, 35837 SyntacticMatches, 151 SemanticMatches, 356 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61431 ImplicationChecksByTransitivity, 13.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 3261 NumberOfCodeBlocks, 3261 NumberOfCodeBlocksAsserted, 60 NumberOfCheckSat, 3201 ConstructedInterpolants, 0 QuantifiedInterpolants, 355424 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 60 InterpolantComputations, 42 PerfectInterpolantSequences, 1314/1389 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: 650]: 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: 426]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || !(0 == pumpRunning)) || 0 == systemActive - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 380.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -172.7 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.78 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.47 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 617.31 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: 68.2 MB). Peak memory consumption was 68.2 MB. Max. memory is 11.5 GB. * CodeCheck took 17399.66 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 311.4 MB). Free memory was 1.1 GB in the beginning and 876.6 MB in the end (delta: 179.2 MB). Peak memory consumption was 490.6 MB. Max. memory is 11.5 GB. * Witness Printer took 76.00 ms. Allocated memory is still 1.5 GB. Free memory was 876.6 MB in the beginning and 864.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...