./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product24_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_d364da3b-a398-44ee-b45f-8d2bee1528bf/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d364da3b-a398-44ee-b45f-8d2bee1528bf/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d364da3b-a398-44ee-b45f-8d2bee1528bf/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d364da3b-a398-44ee-b45f-8d2bee1528bf/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product24_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d364da3b-a398-44ee-b45f-8d2bee1528bf/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d364da3b-a398-44ee-b45f-8d2bee1528bf/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 19e7916b57c61379c1750277bd4e75aabb7fe031 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:03:07,307 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:03:07,308 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:03:07,316 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:03:07,316 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:03:07,317 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:03:07,318 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:03:07,319 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:03:07,320 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:03:07,320 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:03:07,321 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:03:07,321 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:03:07,322 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:03:07,322 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:03:07,323 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:03:07,324 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:03:07,324 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:03:07,326 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:03:07,327 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:03:07,328 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:03:07,329 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:03:07,330 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:03:07,331 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:03:07,332 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:03:07,332 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:03:07,332 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:03:07,333 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:03:07,333 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:03:07,334 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:03:07,335 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:03:07,335 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:03:07,335 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:03:07,336 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:03:07,336 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:03:07,336 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:03:07,337 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:03:07,337 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d364da3b-a398-44ee-b45f-8d2bee1528bf/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 02:03:07,348 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:03:07,348 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:03:07,349 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:03:07,349 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 02:03:07,350 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 02:03:07,350 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 02:03:07,350 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:03:07,350 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 02:03:07,350 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 02:03:07,350 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 02:03:07,350 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:03:07,351 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:03:07,351 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:03:07,351 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:03:07,351 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 02:03:07,351 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:03:07,351 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:03:07,351 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:03:07,352 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 02:03:07,352 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 02:03:07,352 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:03:07,352 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:03:07,352 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 02:03:07,352 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:03:07,352 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:03:07,353 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:03:07,353 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 02:03:07,353 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:03:07,353 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 02:03:07,353 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_d364da3b-a398-44ee-b45f-8d2bee1528bf/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 -> 19e7916b57c61379c1750277bd4e75aabb7fe031 [2018-11-23 02:03:07,380 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:03:07,390 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:03:07,393 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:03:07,394 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:03:07,394 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:03:07,395 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d364da3b-a398-44ee-b45f-8d2bee1528bf/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product24_true-unreach-call_false-termination.cil.c [2018-11-23 02:03:07,442 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d364da3b-a398-44ee-b45f-8d2bee1528bf/bin-2019/ukojak/data/b6a0b3c9b/b9ad0495ba3547cba0f61dba3161bcfc/FLAG813f5192f [2018-11-23 02:03:07,836 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:03:07,836 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d364da3b-a398-44ee-b45f-8d2bee1528bf/sv-benchmarks/c/product-lines/minepump_spec4_product24_true-unreach-call_false-termination.cil.c [2018-11-23 02:03:07,846 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d364da3b-a398-44ee-b45f-8d2bee1528bf/bin-2019/ukojak/data/b6a0b3c9b/b9ad0495ba3547cba0f61dba3161bcfc/FLAG813f5192f [2018-11-23 02:03:08,209 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d364da3b-a398-44ee-b45f-8d2bee1528bf/bin-2019/ukojak/data/b6a0b3c9b/b9ad0495ba3547cba0f61dba3161bcfc [2018-11-23 02:03:08,212 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:03:08,213 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:03:08,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:03:08,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:03:08,216 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:03:08,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:03:08" (1/1) ... [2018-11-23 02:03:08,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@666054be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:08, skipping insertion in model container [2018-11-23 02:03:08,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:03:08" (1/1) ... [2018-11-23 02:03:08,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:03:08,259 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:03:08,471 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:03:08,481 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:03:08,545 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:03:08,637 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:03:08,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:08 WrapperNode [2018-11-23 02:03:08,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:03:08,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:03:08,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:03:08,638 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:03:08,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:08" (1/1) ... [2018-11-23 02:03:08,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:08" (1/1) ... [2018-11-23 02:03:08,683 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:03:08,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:03:08,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:03:08,683 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:03:08,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:08" (1/1) ... [2018-11-23 02:03:08,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:08" (1/1) ... [2018-11-23 02:03:08,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:08" (1/1) ... [2018-11-23 02:03:08,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:08" (1/1) ... [2018-11-23 02:03:08,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:08" (1/1) ... [2018-11-23 02:03:08,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:08" (1/1) ... [2018-11-23 02:03:08,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:08" (1/1) ... [2018-11-23 02:03:08,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:03:08,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:03:08,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:03:08,710 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:03:08,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d364da3b-a398-44ee-b45f-8d2bee1528bf/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 02:03:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 02:03:08,752 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 02:03:08,752 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 02:03:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 02:03:08,753 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 02:03:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 02:03:08,753 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 02:03:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 02:03:08,753 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 02:03:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 02:03:08,753 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 02:03:08,753 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 02:03:08,754 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 02:03:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 02:03:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 02:03:08,754 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 02:03:08,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:03:08,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:03:09,283 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:03:09,284 INFO L280 CfgBuilder]: Removed 42 assue(true) statements. [2018-11-23 02:03:09,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:03:09 BoogieIcfgContainer [2018-11-23 02:03:09,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:03:09,285 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 02:03:09,285 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 02:03:09,292 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 02:03:09,292 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:03:09" (1/1) ... [2018-11-23 02:03:09,300 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:03:09,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:09,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 58 states and 80 transitions. [2018-11-23 02:03:09,328 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 80 transitions. [2018-11-23 02:03:09,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 02:03:09,333 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:09,473 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 02:03:09,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:09,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 58 states and 78 transitions. [2018-11-23 02:03:09,483 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2018-11-23 02:03:09,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 02:03:09,484 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:09,537 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 02:03:09,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:09,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 60 states and 81 transitions. [2018-11-23 02:03:09,569 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2018-11-23 02:03:09,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 02:03:09,570 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:09,652 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 02:03:09,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:09,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 63 states and 87 transitions. [2018-11-23 02:03:09,738 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2018-11-23 02:03:09,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 02:03:09,739 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:09,792 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 02:03:09,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:09,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 71 states and 101 transitions. [2018-11-23 02:03:09,984 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 101 transitions. [2018-11-23 02:03:09,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 02:03:09,985 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:10,021 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 02:03:10,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:10,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 72 states and 102 transitions. [2018-11-23 02:03:10,035 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 102 transitions. [2018-11-23 02:03:10,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 02:03:10,036 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:10,064 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 02:03:10,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:10,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 73 states and 103 transitions. [2018-11-23 02:03:10,076 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2018-11-23 02:03:10,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 02:03:10,077 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:10,150 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 02:03:10,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:10,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 89 states and 136 transitions. [2018-11-23 02:03:10,468 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 136 transitions. [2018-11-23 02:03:10,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 02:03:10,469 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:10,497 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 02:03:10,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:10,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 93 states and 145 transitions. [2018-11-23 02:03:10,545 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 145 transitions. [2018-11-23 02:03:10,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 02:03:10,547 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:10,577 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 02:03:10,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:10,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 94 states and 146 transitions. [2018-11-23 02:03:10,589 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 146 transitions. [2018-11-23 02:03:10,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 02:03:10,592 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:10,619 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 02:03:10,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:10,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 95 states and 147 transitions. [2018-11-23 02:03:10,629 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 147 transitions. [2018-11-23 02:03:10,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 02:03:10,630 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:10,779 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 02:03:11,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:11,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 109 states and 181 transitions. [2018-11-23 02:03:11,482 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 181 transitions. [2018-11-23 02:03:11,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 02:03:11,483 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:11,509 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 02:03:11,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:11,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 110 states and 182 transitions. [2018-11-23 02:03:11,526 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 182 transitions. [2018-11-23 02:03:11,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 02:03:11,527 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:11,584 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 02:03:11,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:11,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 112 states and 190 transitions. [2018-11-23 02:03:11,647 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 190 transitions. [2018-11-23 02:03:11,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 02:03:11,647 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:11,737 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 02:03:11,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:11,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 114 states and 195 transitions. [2018-11-23 02:03:11,941 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 195 transitions. [2018-11-23 02:03:11,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 02:03:11,942 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:12,007 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 02:03:12,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:12,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 112 states and 189 transitions. [2018-11-23 02:03:12,019 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 189 transitions. [2018-11-23 02:03:12,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 02:03:12,022 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:12,078 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:03:12,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:12,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 122 states and 212 transitions. [2018-11-23 02:03:12,454 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 212 transitions. [2018-11-23 02:03:12,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 02:03:12,455 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:12,477 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:03:12,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:12,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 128 states and 224 transitions. [2018-11-23 02:03:12,734 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 224 transitions. [2018-11-23 02:03:12,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 02:03:12,735 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:12,757 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:03:12,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:12,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 129 states and 225 transitions. [2018-11-23 02:03:12,786 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 225 transitions. [2018-11-23 02:03:12,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 02:03:12,789 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:12,813 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:03:12,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:12,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 130 states and 227 transitions. [2018-11-23 02:03:12,850 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 227 transitions. [2018-11-23 02:03:12,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 02:03:12,851 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:12,878 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:03:12,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:12,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 131 states and 229 transitions. [2018-11-23 02:03:12,914 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 229 transitions. [2018-11-23 02:03:12,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 02:03:12,914 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:12,943 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 02:03:13,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:13,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 143 states and 269 transitions. [2018-11-23 02:03:13,417 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 269 transitions. [2018-11-23 02:03:13,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 02:03:13,417 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:13,440 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 02:03:13,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:13,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 145 states and 272 transitions. [2018-11-23 02:03:13,568 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 272 transitions. [2018-11-23 02:03:13,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 02:03:13,569 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:13,762 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:03:14,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:14,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 153 states and 295 transitions. [2018-11-23 02:03:14,886 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 295 transitions. [2018-11-23 02:03:14,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 02:03:14,887 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:14,908 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 02:03:14,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:14,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 154 states and 296 transitions. [2018-11-23 02:03:14,938 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 296 transitions. [2018-11-23 02:03:14,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 02:03:14,939 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:14,960 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 02:03:14,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:14,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 155 states and 297 transitions. [2018-11-23 02:03:14,975 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 297 transitions. [2018-11-23 02:03:14,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 02:03:14,976 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:14,999 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 02:03:15,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:15,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 156 states and 294 transitions. [2018-11-23 02:03:15,181 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 294 transitions. [2018-11-23 02:03:15,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 02:03:15,182 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:15,202 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 02:03:15,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:15,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 158 states and 295 transitions. [2018-11-23 02:03:15,358 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 295 transitions. [2018-11-23 02:03:15,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 02:03:15,359 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:15,486 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 02:03:16,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:16,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 160 states and 297 transitions. [2018-11-23 02:03:16,118 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 297 transitions. [2018-11-23 02:03:16,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 02:03:16,119 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:16,224 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 02:03:16,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:16,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 160 states and 293 transitions. [2018-11-23 02:03:16,527 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 293 transitions. [2018-11-23 02:03:16,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 02:03:16,528 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:16,639 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:03:17,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:17,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 160 states and 292 transitions. [2018-11-23 02:03:17,184 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 292 transitions. [2018-11-23 02:03:17,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 02:03:17,184 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:17,221 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 02:03:17,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:17,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 133 states and 233 transitions. [2018-11-23 02:03:17,496 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 233 transitions. [2018-11-23 02:03:17,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 02:03:17,496 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:17,511 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 02:03:17,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:17,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 138 states and 240 transitions. [2018-11-23 02:03:17,542 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 240 transitions. [2018-11-23 02:03:17,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 02:03:17,543 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:17,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:17,555 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 02:03:17,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:17,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 126 states and 216 transitions. [2018-11-23 02:03:17,571 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 216 transitions. [2018-11-23 02:03:17,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 02:03:17,572 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:17,584 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 02:03:17,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:17,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 124 states and 212 transitions. [2018-11-23 02:03:17,600 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 212 transitions. [2018-11-23 02:03:17,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 02:03:17,601 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 02:03:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:03:17,616 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 02:03:17,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 02:03:17,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 87 states and 128 transitions. [2018-11-23 02:03:17,632 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 128 transitions. [2018-11-23 02:03:17,633 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 02:03:17,633 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2018-11-23 02:03:17,641 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 02:03:17,827 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 02:03:17,829 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-23 02:03:17,832 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 02:03:17,832 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 02:03:17,832 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 02:03:17,832 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 02:03:17,832 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 02:03:17,832 INFO L579 CodeCheckObserver]: Invariant with dag size 16 [2018-11-23 02:03:17,833 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 02:03:17,834 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 02:03:17,834 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 02:03:17,834 INFO L579 CodeCheckObserver]: Invariant with dag size 13 [2018-11-23 02:03:17,835 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 02:03:17,835 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-23 02:03:17,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 02:03:17 ImpRootNode [2018-11-23 02:03:17,836 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 02:03:17,836 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:03:17,836 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:03:17,837 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:03:17,837 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:03:09" (3/4) ... [2018-11-23 02:03:17,840 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 02:03:17,844 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 02:03:17,844 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 02:03:17,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 02:03:17,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 02:03:17,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 02:03:17,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 02:03:17,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-23 02:03:17,851 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2018-11-23 02:03:17,851 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-23 02:03:17,852 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 02:03:17,852 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 02:03:17,852 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 02:03:17,852 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 02:03:17,853 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 02:03:17,874 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning)) || ((0 == waterLevel && !(0 == systemActive)) && \old(pumpRunning) == pumpRunning) [2018-11-23 02:03:17,874 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == waterLevel && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning)) || (\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning) [2018-11-23 02:03:17,875 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning [2018-11-23 02:03:17,901 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d364da3b-a398-44ee-b45f-8d2bee1528bf/bin-2019/ukojak/witness.graphml [2018-11-23 02:03:17,902 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:03:17,902 INFO L168 Benchmark]: Toolchain (without parser) took 9690.02 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 367.5 MB). Free memory was 957.0 MB in the beginning and 931.2 MB in the end (delta: 25.8 MB). Peak memory consumption was 393.3 MB. Max. memory is 11.5 GB. [2018-11-23 02:03:17,903 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:03:17,904 INFO L168 Benchmark]: CACSL2BoogieTranslator took 424.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 33.8 MB. Max. memory is 11.5 GB. [2018-11-23 02:03:17,904 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.81 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. [2018-11-23 02:03:17,904 INFO L168 Benchmark]: Boogie Preprocessor took 26.45 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-11-23 02:03:17,904 INFO L168 Benchmark]: RCFGBuilder took 574.30 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: 66.6 MB). Peak memory consumption was 66.6 MB. Max. memory is 11.5 GB. [2018-11-23 02:03:17,904 INFO L168 Benchmark]: CodeCheck took 8551.68 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 227.5 MB). Free memory was 1.1 GB in the beginning and 942.6 MB in the end (delta: 112.4 MB). Peak memory consumption was 340.0 MB. Max. memory is 11.5 GB. [2018-11-23 02:03:17,905 INFO L168 Benchmark]: Witness Printer took 65.31 ms. Allocated memory is still 1.4 GB. Free memory was 942.6 MB in the beginning and 931.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:03:17,906 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 78 locations, 1 error locations. SAFE Result, 8.3s OverallTime, 36 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1493389300 SDtfs, -2071407172 SDslu, -43049908 SDs, 0 SdLazy, -881033380 SolverSat, -1198172404 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11961 GetRequests, 11608 SyntacticMatches, 147 SemanticMatches, 206 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19786 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1127 NumberOfCodeBlocks, 1127 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1092 ConstructedInterpolants, 0 QuantifiedInterpolants, 93502 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 28 PerfectInterpolantSequences, 257/284 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: 946]: 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: 628]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning)) || ((0 == waterLevel && !(0 == systemActive)) && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 654]: Loop Invariant Derived loop invariant: ((0 == waterLevel && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning)) || (\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: ((tmp == systemActive && 0 == pumpRunning) && tmp == waterLevel) && tmp == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 424.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). Peak memory consumption was 33.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.81 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. * Boogie Preprocessor took 26.45 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 574.30 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: 66.6 MB). Peak memory consumption was 66.6 MB. Max. memory is 11.5 GB. * CodeCheck took 8551.68 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 227.5 MB). Free memory was 1.1 GB in the beginning and 942.6 MB in the end (delta: 112.4 MB). Peak memory consumption was 340.0 MB. Max. memory is 11.5 GB. * Witness Printer took 65.31 ms. Allocated memory is still 1.4 GB. Free memory was 942.6 MB in the beginning and 931.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...