./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product31_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_cd1cf257-ec86-4f96-9530-9b41fb07e11c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cd1cf257-ec86-4f96-9530-9b41fb07e11c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cd1cf257-ec86-4f96-9530-9b41fb07e11c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cd1cf257-ec86-4f96-9530-9b41fb07e11c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product31_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cd1cf257-ec86-4f96-9530-9b41fb07e11c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cd1cf257-ec86-4f96-9530-9b41fb07e11c/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 9cf62d4c0c6e8aa9cf08ea2220574cd117ecc0d5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:23:31,160 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:23:31,161 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:23:31,170 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:23:31,170 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:23:31,171 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:23:31,172 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:23:31,173 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:23:31,174 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:23:31,174 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:23:31,175 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:23:31,175 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:23:31,175 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:23:31,176 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:23:31,177 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:23:31,177 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:23:31,178 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:23:31,179 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:23:31,181 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:23:31,182 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:23:31,183 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:23:31,184 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:23:31,186 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:23:31,186 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:23:31,187 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:23:31,188 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:23:31,188 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:23:31,189 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:23:31,190 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:23:31,191 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:23:31,191 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:23:31,192 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:23:31,192 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:23:31,192 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:23:31,193 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:23:31,194 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:23:31,194 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cd1cf257-ec86-4f96-9530-9b41fb07e11c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-22 23:23:31,206 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:23:31,206 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:23:31,206 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:23:31,206 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-22 23:23:31,207 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 23:23:31,207 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 23:23:31,207 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:23:31,208 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:23:31,208 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:23:31,208 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:23:31,208 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:23:31,208 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:23:31,208 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:23:31,208 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:23:31,209 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:23:31,209 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:23:31,209 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:23:31,209 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:23:31,209 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-22 23:23:31,209 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-22 23:23:31,209 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:23:31,210 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:23:31,210 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-22 23:23:31,210 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:23:31,210 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:23:31,210 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:23:31,210 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-22 23:23:31,210 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:23:31,210 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:23:31,211 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_cd1cf257-ec86-4f96-9530-9b41fb07e11c/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 -> 9cf62d4c0c6e8aa9cf08ea2220574cd117ecc0d5 [2018-11-22 23:23:31,235 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:23:31,245 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:23:31,247 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:23:31,248 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:23:31,248 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:23:31,249 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cd1cf257-ec86-4f96-9530-9b41fb07e11c/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product31_true-unreach-call_false-termination.cil.c [2018-11-22 23:23:31,291 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd1cf257-ec86-4f96-9530-9b41fb07e11c/bin-2019/ukojak/data/2a2e6d7fe/ef8b0073214a41e6a02c786cd2acba41/FLAG5dcf04726 [2018-11-22 23:23:31,702 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:23:31,703 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cd1cf257-ec86-4f96-9530-9b41fb07e11c/sv-benchmarks/c/product-lines/minepump_spec1_product31_true-unreach-call_false-termination.cil.c [2018-11-22 23:23:31,714 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd1cf257-ec86-4f96-9530-9b41fb07e11c/bin-2019/ukojak/data/2a2e6d7fe/ef8b0073214a41e6a02c786cd2acba41/FLAG5dcf04726 [2018-11-22 23:23:31,726 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cd1cf257-ec86-4f96-9530-9b41fb07e11c/bin-2019/ukojak/data/2a2e6d7fe/ef8b0073214a41e6a02c786cd2acba41 [2018-11-22 23:23:31,729 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:23:31,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:23:31,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:23:31,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:23:31,733 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:23:31,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:23:31" (1/1) ... [2018-11-22 23:23:31,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:31, skipping insertion in model container [2018-11-22 23:23:31,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:23:31" (1/1) ... [2018-11-22 23:23:31,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:23:31,779 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:23:32,016 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:23:32,027 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:23:32,148 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:23:32,173 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:23:32,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:32 WrapperNode [2018-11-22 23:23:32,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:23:32,175 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:23:32,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:23:32,175 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:23:32,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:32" (1/1) ... [2018-11-22 23:23:32,197 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:32" (1/1) ... [2018-11-22 23:23:32,219 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:23:32,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:23:32,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:23:32,219 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:23:32,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:32" (1/1) ... [2018-11-22 23:23:32,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:32" (1/1) ... [2018-11-22 23:23:32,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:32" (1/1) ... [2018-11-22 23:23:32,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:32" (1/1) ... [2018-11-22 23:23:32,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:32" (1/1) ... [2018-11-22 23:23:32,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:32" (1/1) ... [2018-11-22 23:23:32,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:32" (1/1) ... [2018-11-22 23:23:32,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:23:32,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:23:32,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:23:32,248 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:23:32,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:23:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd1cf257-ec86-4f96-9530-9b41fb07e11c/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 [2018-11-22 23:23:32,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 23:23:32,308 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-22 23:23:32,308 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-22 23:23:32,308 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-22 23:23:32,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-22 23:23:32,308 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-22 23:23:32,309 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-22 23:23:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-22 23:23:32,309 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-22 23:23:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-22 23:23:32,309 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-22 23:23:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-22 23:23:32,309 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-22 23:23:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-22 23:23:32,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-22 23:23:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-22 23:23:32,310 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-22 23:23:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 23:23:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-22 23:23:32,310 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-22 23:23:32,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:23:32,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:23:32,852 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:23:32,853 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-11-22 23:23:32,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:23:32 BoogieIcfgContainer [2018-11-22 23:23:32,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:23:32,854 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-22 23:23:32,854 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-22 23:23:32,861 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-22 23:23:32,861 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:23:32" (1/1) ... [2018-11-22 23:23:32,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:23:32,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:32,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 68 states and 91 transitions. [2018-11-22 23:23:32,900 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 91 transitions. [2018-11-22 23:23:32,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-22 23:23:32,906 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:33,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:23:33,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:33,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 68 states and 89 transitions. [2018-11-22 23:23:33,062 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 89 transitions. [2018-11-22 23:23:33,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-22 23:23:33,063 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:33,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:23:33,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:33,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 70 states and 92 transitions. [2018-11-22 23:23:33,179 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2018-11-22 23:23:33,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-22 23:23:33,181 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:33,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:23:33,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:33,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 80 states and 112 transitions. [2018-11-22 23:23:33,359 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 112 transitions. [2018-11-22 23:23:33,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-22 23:23:33,361 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:33,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:23:33,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:33,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 81 states and 113 transitions. [2018-11-22 23:23:33,404 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 113 transitions. [2018-11-22 23:23:33,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-22 23:23:33,405 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:33,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:23:33,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:33,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 82 states and 114 transitions. [2018-11-22 23:23:33,454 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 114 transitions. [2018-11-22 23:23:33,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-22 23:23:33,456 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:33,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:23:33,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:33,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 83 states and 115 transitions. [2018-11-22 23:23:33,509 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 115 transitions. [2018-11-22 23:23:33,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-22 23:23:33,510 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:33,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:23:34,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:34,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 100 states and 152 transitions. [2018-11-22 23:23:34,048 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 152 transitions. [2018-11-22 23:23:34,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-22 23:23:34,051 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:34,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:23:34,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:34,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 101 states and 153 transitions. [2018-11-22 23:23:34,089 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 153 transitions. [2018-11-22 23:23:34,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-22 23:23:34,091 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:34,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:23:34,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:34,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 120 states and 191 transitions. [2018-11-22 23:23:34,970 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 191 transitions. [2018-11-22 23:23:34,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-22 23:23:34,971 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:35,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:23:35,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:35,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 124 states and 197 transitions. [2018-11-22 23:23:35,090 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 197 transitions. [2018-11-22 23:23:35,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-22 23:23:35,092 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:35,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:23:35,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:35,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 125 states and 198 transitions. [2018-11-22 23:23:35,128 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 198 transitions. [2018-11-22 23:23:35,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-22 23:23:35,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:35,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:23:35,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:35,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 130 states and 207 transitions. [2018-11-22 23:23:35,176 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 207 transitions. [2018-11-22 23:23:35,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-22 23:23:35,177 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:35,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:23:35,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:35,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 136 states and 221 transitions. [2018-11-22 23:23:35,303 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 221 transitions. [2018-11-22 23:23:35,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-22 23:23:35,304 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:35,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:35,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:23:35,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:35,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 138 states and 226 transitions. [2018-11-22 23:23:35,500 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 226 transitions. [2018-11-22 23:23:35,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-22 23:23:35,501 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:35,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:23:35,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:35,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 136 states and 220 transitions. [2018-11-22 23:23:35,556 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 220 transitions. [2018-11-22 23:23:35,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-22 23:23:35,557 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:35,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 23:23:35,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:35,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 140 states and 228 transitions. [2018-11-22 23:23:35,591 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 228 transitions. [2018-11-22 23:23:35,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-22 23:23:35,592 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:35,646 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 23:23:36,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:36,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 150 states and 252 transitions. [2018-11-22 23:23:36,103 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 252 transitions. [2018-11-22 23:23:36,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-22 23:23:36,104 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:36,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:36,119 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 23:23:36,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:36,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 148 states and 248 transitions. [2018-11-22 23:23:36,133 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 248 transitions. [2018-11-22 23:23:36,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-22 23:23:36,134 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:36,325 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-22 23:23:36,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:36,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 151 states and 253 transitions. [2018-11-22 23:23:36,935 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 253 transitions. [2018-11-22 23:23:36,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-22 23:23:36,936 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:36,959 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 23:23:37,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:37,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 158 states and 265 transitions. [2018-11-22 23:23:37,149 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 265 transitions. [2018-11-22 23:23:37,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-22 23:23:37,150 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:37,173 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 23:23:37,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:37,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 160 states and 266 transitions. [2018-11-22 23:23:37,342 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 266 transitions. [2018-11-22 23:23:37,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-22 23:23:37,343 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:37,364 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 23:23:37,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:37,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 166 states and 280 transitions. [2018-11-22 23:23:37,778 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 280 transitions. [2018-11-22 23:23:37,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-22 23:23:37,779 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:37,798 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 23:23:37,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:37,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 167 states and 281 transitions. [2018-11-22 23:23:37,825 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 281 transitions. [2018-11-22 23:23:37,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-22 23:23:37,825 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:37,847 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 23:23:37,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:37,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 168 states and 281 transitions. [2018-11-22 23:23:37,855 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 281 transitions. [2018-11-22 23:23:37,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-22 23:23:37,856 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:37,876 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 23:23:37,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:37,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 169 states and 282 transitions. [2018-11-22 23:23:37,899 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 282 transitions. [2018-11-22 23:23:37,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-22 23:23:37,900 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:37,924 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 23:23:37,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:37,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 170 states and 283 transitions. [2018-11-22 23:23:37,938 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 283 transitions. [2018-11-22 23:23:37,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-22 23:23:37,939 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:37,963 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 23:23:39,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:39,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 186 states and 325 transitions. [2018-11-22 23:23:39,471 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 325 transitions. [2018-11-22 23:23:39,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-22 23:23:39,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:39,496 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 23:23:39,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:39,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 188 states and 327 transitions. [2018-11-22 23:23:39,732 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 327 transitions. [2018-11-22 23:23:39,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-22 23:23:39,733 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:39,755 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 23:23:40,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:40,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 200 states and 355 transitions. [2018-11-22 23:23:40,968 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 355 transitions. [2018-11-22 23:23:40,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-22 23:23:40,969 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:40,991 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 23:23:41,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:41,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 200 states and 354 transitions. [2018-11-22 23:23:41,168 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 354 transitions. [2018-11-22 23:23:41,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-22 23:23:41,169 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:41,190 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 23:23:41,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:41,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 201 states and 354 transitions. [2018-11-22 23:23:41,200 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 354 transitions. [2018-11-22 23:23:41,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-22 23:23:41,201 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:41,222 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 23:23:41,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:41,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 202 states and 355 transitions. [2018-11-22 23:23:41,235 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 355 transitions. [2018-11-22 23:23:41,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-22 23:23:41,237 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:41,256 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 23:23:41,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:41,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 203 states and 356 transitions. [2018-11-22 23:23:41,271 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 356 transitions. [2018-11-22 23:23:41,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-22 23:23:41,272 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:41,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:41,290 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 23:23:41,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:41,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 199 states and 348 transitions. [2018-11-22 23:23:41,540 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 348 transitions. [2018-11-22 23:23:41,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-22 23:23:41,541 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:41,689 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 23:23:41,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:41,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 202 states and 352 transitions. [2018-11-22 23:23:41,784 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 352 transitions. [2018-11-22 23:23:41,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-22 23:23:41,785 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:41,823 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 23:23:42,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:42,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 204 states and 353 transitions. [2018-11-22 23:23:42,022 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 353 transitions. [2018-11-22 23:23:42,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-22 23:23:42,023 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:42,076 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 23:23:42,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:42,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 207 states and 358 transitions. [2018-11-22 23:23:42,090 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 358 transitions. [2018-11-22 23:23:42,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-22 23:23:42,092 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:42,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:42,278 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 23:23:43,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:43,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 213 states and 370 transitions. [2018-11-22 23:23:43,206 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 370 transitions. [2018-11-22 23:23:43,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-22 23:23:43,207 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:43,383 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 23:23:43,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:43,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 215 states and 368 transitions. [2018-11-22 23:23:43,746 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 368 transitions. [2018-11-22 23:23:43,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-22 23:23:43,747 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:43,761 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-22 23:23:43,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:43,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 219 states and 375 transitions. [2018-11-22 23:23:43,860 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 375 transitions. [2018-11-22 23:23:43,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-22 23:23:43,861 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:43,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:43,911 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 23:23:43,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:43,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 220 states and 376 transitions. [2018-11-22 23:23:43,932 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 376 transitions. [2018-11-22 23:23:43,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-22 23:23:43,933 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:43,976 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 23:23:44,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:44,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 179 states and 290 transitions. [2018-11-22 23:23:44,616 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 290 transitions. [2018-11-22 23:23:44,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-22 23:23:44,617 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:44,638 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-22 23:23:44,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:44,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 180 states and 290 transitions. [2018-11-22 23:23:44,668 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 290 transitions. [2018-11-22 23:23:44,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-22 23:23:44,669 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:44,683 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-22 23:23:44,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:44,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 178 states and 286 transitions. [2018-11-22 23:23:44,723 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 286 transitions. [2018-11-22 23:23:44,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-22 23:23:44,724 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:44,743 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-22 23:23:45,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:45,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 179 states and 289 transitions. [2018-11-22 23:23:45,088 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 289 transitions. [2018-11-22 23:23:45,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-22 23:23:45,089 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:45,103 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-22 23:23:45,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:45,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 181 states and 292 transitions. [2018-11-22 23:23:45,121 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 292 transitions. [2018-11-22 23:23:45,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-22 23:23:45,122 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:45,135 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-22 23:23:45,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:45,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 183 states and 294 transitions. [2018-11-22 23:23:45,151 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 294 transitions. [2018-11-22 23:23:45,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-22 23:23:45,152 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:45,166 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-22 23:23:45,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:45,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 184 states and 294 transitions. [2018-11-22 23:23:45,180 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 294 transitions. [2018-11-22 23:23:45,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-22 23:23:45,180 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:45,195 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-22 23:23:45,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:45,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 175 states and 277 transitions. [2018-11-22 23:23:45,228 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 277 transitions. [2018-11-22 23:23:45,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-22 23:23:45,229 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:45,250 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 23:23:45,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:45,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 177 states and 278 transitions. [2018-11-22 23:23:45,720 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 278 transitions. [2018-11-22 23:23:45,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-22 23:23:45,720 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:45,744 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-22 23:23:45,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:45,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 179 states and 281 transitions. [2018-11-22 23:23:45,770 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 281 transitions. [2018-11-22 23:23:45,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-22 23:23:45,771 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:45,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:45,796 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-22 23:23:45,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:45,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 180 states and 282 transitions. [2018-11-22 23:23:45,828 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 282 transitions. [2018-11-22 23:23:45,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-22 23:23:45,831 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:23:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:23:45,852 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-22 23:23:45,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:23:45,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 112 states and 151 transitions. [2018-11-22 23:23:45,898 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 151 transitions. [2018-11-22 23:23:45,898 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 23:23:45,898 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 54 iterations. [2018-11-22 23:23:45,909 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-22 23:23:46,271 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:23:46,273 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:23:46,273 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-22 23:23:46,276 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:23:46,276 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:23:46,276 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:23:46,276 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-22 23:23:46,277 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:23:46,277 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:23:46,277 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-22 23:23:46,278 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:23:46,278 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:23:46,278 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-22 23:23:46,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:23:46 ImpRootNode [2018-11-22 23:23:46,279 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-22 23:23:46,279 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:23:46,279 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:23:46,279 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:23:46,280 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:23:32" (3/4) ... [2018-11-22 23:23:46,283 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 23:23:46,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-22 23:23:46,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-22 23:23:46,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-22 23:23:46,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-22 23:23:46,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-22 23:23:46,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-22 23:23:46,289 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-22 23:23:46,289 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-22 23:23:46,289 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-22 23:23:46,294 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2018-11-22 23:23:46,294 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-22 23:23:46,295 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-22 23:23:46,295 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-22 23:23:46,295 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 23:23:46,295 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 23:23:46,295 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 23:23:46,317 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(pumpRunning) == pumpRunning || (!(0 == pumpRunning) && !(0 == systemActive))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) [2018-11-22 23:23:46,317 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning [2018-11-22 23:23:46,349 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cd1cf257-ec86-4f96-9530-9b41fb07e11c/bin-2019/ukojak/witness.graphml [2018-11-22 23:23:46,349 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:23:46,350 INFO L168 Benchmark]: Toolchain (without parser) took 14621.04 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 343.9 MB). Free memory was 956.6 MB in the beginning and 942.3 MB in the end (delta: 14.3 MB). Peak memory consumption was 358.2 MB. Max. memory is 11.5 GB. [2018-11-22 23:23:46,351 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-11-22 23:23:46,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 443.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-22 23:23:46,351 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.21 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. [2018-11-22 23:23:46,352 INFO L168 Benchmark]: Boogie Preprocessor took 28.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:23:46,352 INFO L168 Benchmark]: RCFGBuilder took 605.91 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: 69.2 MB). Peak memory consumption was 69.2 MB. Max. memory is 11.5 GB. [2018-11-22 23:23:46,352 INFO L168 Benchmark]: CodeCheck took 13425.35 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 195.6 MB). Free memory was 1.1 GB in the beginning and 951.8 MB in the end (delta: 113.4 MB). Peak memory consumption was 309.0 MB. Max. memory is 11.5 GB. [2018-11-22 23:23:46,352 INFO L168 Benchmark]: Witness Printer took 70.37 ms. Allocated memory is still 1.4 GB. Free memory was 951.8 MB in the beginning and 942.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2018-11-22 23:23:46,354 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 10 procedures, 87 locations, 1 error locations. SAFE Result, 13.0s OverallTime, 54 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1556523076 SDtfs, 362997628 SDslu, -1175899268 SDs, 0 SdLazy, 183210892 SolverSat, 1484514452 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23926 GetRequests, 23359 SyntacticMatches, 283 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37536 ImplicationChecksByTransitivity, 10.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2347 NumberOfCodeBlocks, 2347 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 2294 ConstructedInterpolants, 0 QuantifiedInterpolants, 227708 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 53 InterpolantComputations, 45 PerfectInterpolantSequences, 848/894 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: 585]: 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: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: methaneLevelCritical == tmp || !(tmp == 0) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: (\old(pumpRunning) == pumpRunning || (!(0 == pumpRunning) && !(0 == systemActive))) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && tmp == systemActive) && 0 == pumpRunning) && tmp == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 443.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -180.6 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.21 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 28.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 605.91 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: 69.2 MB). Peak memory consumption was 69.2 MB. Max. memory is 11.5 GB. * CodeCheck took 13425.35 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 195.6 MB). Free memory was 1.1 GB in the beginning and 951.8 MB in the end (delta: 113.4 MB). Peak memory consumption was 309.0 MB. Max. memory is 11.5 GB. * Witness Printer took 70.37 ms. Allocated memory is still 1.4 GB. Free memory was 951.8 MB in the beginning and 942.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...