./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product27_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_11a95587-3ae6-4cb3-b93d-00bfbd53871e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_11a95587-3ae6-4cb3-b93d-00bfbd53871e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_11a95587-3ae6-4cb3-b93d-00bfbd53871e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_11a95587-3ae6-4cb3-b93d-00bfbd53871e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product27_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_11a95587-3ae6-4cb3-b93d-00bfbd53871e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_11a95587-3ae6-4cb3-b93d-00bfbd53871e/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 84bee68029cd4e9781f81f2ec079192bad30236f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:18:11,148 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:18:11,149 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:18:11,158 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:18:11,158 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:18:11,159 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:18:11,160 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:18:11,161 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:18:11,162 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:18:11,163 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:18:11,164 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:18:11,164 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:18:11,165 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:18:11,165 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:18:11,166 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:18:11,167 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:18:11,167 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:18:11,169 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:18:11,170 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:18:11,172 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:18:11,172 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:18:11,173 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:18:11,175 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:18:11,175 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:18:11,176 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:18:11,177 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:18:11,177 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:18:11,178 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:18:11,179 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:18:11,180 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:18:11,180 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:18:11,180 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:18:11,181 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:18:11,181 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:18:11,181 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:18:11,182 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:18:11,182 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_11a95587-3ae6-4cb3-b93d-00bfbd53871e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 17:18:11,194 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:18:11,194 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:18:11,195 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:18:11,195 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 17:18:11,195 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:18:11,195 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:18:11,196 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:18:11,196 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:18:11,196 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:18:11,196 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:18:11,196 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:18:11,197 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:18:11,197 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:18:11,197 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:18:11,197 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:18:11,197 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:18:11,197 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:18:11,197 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:18:11,198 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 17:18:11,198 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 17:18:11,198 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:18:11,198 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:18:11,198 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:18:11,198 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:18:11,198 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:18:11,199 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:18:11,199 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 17:18:11,199 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:18:11,199 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:18:11,199 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_11a95587-3ae6-4cb3-b93d-00bfbd53871e/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 -> 84bee68029cd4e9781f81f2ec079192bad30236f [2018-11-18 17:18:11,224 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:18:11,234 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:18:11,236 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:18:11,237 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:18:11,237 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:18:11,238 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_11a95587-3ae6-4cb3-b93d-00bfbd53871e/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product27_true-unreach-call_false-termination.cil.c [2018-11-18 17:18:11,279 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_11a95587-3ae6-4cb3-b93d-00bfbd53871e/bin-2019/ukojak/data/b3177807d/d50d758def0243b18fee055afe3e4de0/FLAG305cfae2f [2018-11-18 17:18:11,650 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:18:11,650 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_11a95587-3ae6-4cb3-b93d-00bfbd53871e/sv-benchmarks/c/product-lines/minepump_spec4_product27_true-unreach-call_false-termination.cil.c [2018-11-18 17:18:11,660 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_11a95587-3ae6-4cb3-b93d-00bfbd53871e/bin-2019/ukojak/data/b3177807d/d50d758def0243b18fee055afe3e4de0/FLAG305cfae2f [2018-11-18 17:18:12,050 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_11a95587-3ae6-4cb3-b93d-00bfbd53871e/bin-2019/ukojak/data/b3177807d/d50d758def0243b18fee055afe3e4de0 [2018-11-18 17:18:12,053 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:18:12,054 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:18:12,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:18:12,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:18:12,058 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:18:12,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:18:12" (1/1) ... [2018-11-18 17:18:12,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75f87d5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:12, skipping insertion in model container [2018-11-18 17:18:12,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:18:12" (1/1) ... [2018-11-18 17:18:12,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:18:12,106 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:18:12,326 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:18:12,335 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:18:12,461 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:18:12,484 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:18:12,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:12 WrapperNode [2018-11-18 17:18:12,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:18:12,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:18:12,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:18:12,486 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:18:12,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:12" (1/1) ... [2018-11-18 17:18:12,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:12" (1/1) ... [2018-11-18 17:18:12,536 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:18:12,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:18:12,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:18:12,537 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:18:12,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:12" (1/1) ... [2018-11-18 17:18:12,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:12" (1/1) ... [2018-11-18 17:18:12,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:12" (1/1) ... [2018-11-18 17:18:12,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:12" (1/1) ... [2018-11-18 17:18:12,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:12" (1/1) ... [2018-11-18 17:18:12,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:12" (1/1) ... [2018-11-18 17:18:12,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:12" (1/1) ... [2018-11-18 17:18:12,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:18:12,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:18:12,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:18:12,567 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:18:12,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_11a95587-3ae6-4cb3-b93d-00bfbd53871e/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 [2018-11-18 17:18:12,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:18:12,617 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 17:18:12,617 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 17:18:12,617 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 17:18:12,617 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 17:18:12,617 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 17:18:12,618 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 17:18:12,618 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 17:18:12,618 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 17:18:12,618 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 17:18:12,618 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 17:18:12,618 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 17:18:12,618 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 17:18:12,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:18:12,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:18:13,523 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:18:13,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:18:13 BoogieIcfgContainer [2018-11-18 17:18:13,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:18:13,524 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 17:18:13,524 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 17:18:13,535 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 17:18:13,535 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:18:13" (1/1) ... [2018-11-18 17:18:13,547 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:18:13,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:18:13,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 54 states and 74 transitions. [2018-11-18 17:18:13,585 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2018-11-18 17:18:13,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 17:18:13,591 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:18:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:13,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:18:13,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:18:13,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 54 states and 71 transitions. [2018-11-18 17:18:13,802 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2018-11-18 17:18:13,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 17:18:13,803 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:18:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:13,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:18:13,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:18:13,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2018-11-18 17:18:13,929 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-11-18 17:18:13,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 17:18:13,930 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:18:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:14,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:18:14,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:18:14,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 96 transitions. [2018-11-18 17:18:14,219 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2018-11-18 17:18:14,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 17:18:14,220 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:18:14,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:14,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:18:14,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:18:14,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 69 states and 97 transitions. [2018-11-18 17:18:14,268 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2018-11-18 17:18:14,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 17:18:14,269 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:18:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:14,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:18:14,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:18:14,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 70 states and 98 transitions. [2018-11-18 17:18:14,319 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2018-11-18 17:18:14,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 17:18:14,320 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:18:14,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:14,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:18:14,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:18:14,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 71 states and 99 transitions. [2018-11-18 17:18:14,369 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2018-11-18 17:18:14,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 17:18:14,370 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:18:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:14,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:18:14,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:18:14,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 88 states and 132 transitions. [2018-11-18 17:18:14,874 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 132 transitions. [2018-11-18 17:18:14,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 17:18:14,875 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:18:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:14,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:18:14,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:18:14,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 93 states and 142 transitions. [2018-11-18 17:18:14,930 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 142 transitions. [2018-11-18 17:18:14,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:18:14,932 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:18:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:14,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:18:14,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:18:14,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 94 states and 143 transitions. [2018-11-18 17:18:14,976 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 143 transitions. [2018-11-18 17:18:14,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:18:14,978 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:18:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:15,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:18:15,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:18:15,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 95 states and 144 transitions. [2018-11-18 17:18:15,008 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 144 transitions. [2018-11-18 17:18:15,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 17:18:15,010 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:18:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:15,061 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:18:15,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:18:15,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 106 states and 167 transitions. [2018-11-18 17:18:15,325 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 167 transitions. [2018-11-18 17:18:15,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 17:18:15,326 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:18:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:15,374 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:18:15,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:18:15,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 107 states and 168 transitions. [2018-11-18 17:18:15,393 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 168 transitions. [2018-11-18 17:18:15,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 17:18:15,394 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:18:15,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:15,422 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:18:15,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:18:15,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 105 states and 164 transitions. [2018-11-18 17:18:15,447 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 164 transitions. [2018-11-18 17:18:15,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 17:18:15,449 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:18:15,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:15,473 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:18:15,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:18:15,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 101 states and 156 transitions. [2018-11-18 17:18:15,493 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 156 transitions. [2018-11-18 17:18:15,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 17:18:15,494 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:18:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:15,550 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 17:18:15,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:18:15,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 113 states and 190 transitions. [2018-11-18 17:18:15,855 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 190 transitions. [2018-11-18 17:18:15,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 17:18:15,856 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:18:15,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:15,898 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 17:18:16,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:18:16,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 116 states and 193 transitions. [2018-11-18 17:18:16,014 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 193 transitions. [2018-11-18 17:18:16,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 17:18:16,015 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:18:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:16,046 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 17:18:16,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:18:16,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 119 states and 195 transitions. [2018-11-18 17:18:16,141 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 195 transitions. [2018-11-18 17:18:16,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 17:18:16,142 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:18:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:16,170 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 17:18:16,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:18:16,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 120 states and 192 transitions. [2018-11-18 17:18:16,285 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 192 transitions. [2018-11-18 17:18:16,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 17:18:16,286 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:18:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:16,314 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 17:18:16,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:18:16,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 121 states and 192 transitions. [2018-11-18 17:18:16,320 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 192 transitions. [2018-11-18 17:18:16,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 17:18:16,321 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:18:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:16,347 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 17:18:16,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:18:16,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 122 states and 193 transitions. [2018-11-18 17:18:16,362 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 193 transitions. [2018-11-18 17:18:16,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 17:18:16,363 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:18:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:16,391 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 17:18:16,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:18:16,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 123 states and 194 transitions. [2018-11-18 17:18:16,409 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 194 transitions. [2018-11-18 17:18:16,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 17:18:16,409 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:18:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:16,469 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 17:18:16,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:18:16,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 91 states and 130 transitions. [2018-11-18 17:18:16,573 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 130 transitions. [2018-11-18 17:18:16,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 17:18:16,574 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:18:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:16,596 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 17:18:16,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:18:16,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 95 states and 137 transitions. [2018-11-18 17:18:16,615 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2018-11-18 17:18:16,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 17:18:16,615 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:18:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:16,638 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 17:18:16,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:18:16,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 96 states and 137 transitions. [2018-11-18 17:18:16,656 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 137 transitions. [2018-11-18 17:18:16,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 17:18:16,656 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:18:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:16,680 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 17:18:16,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:18:16,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 94 states and 133 transitions. [2018-11-18 17:18:16,710 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 133 transitions. [2018-11-18 17:18:16,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 17:18:16,710 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:18:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:18:16,740 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 17:18:16,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:18:16,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 51 states and 66 transitions. [2018-11-18 17:18:16,783 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2018-11-18 17:18:16,784 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:18:16,784 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2018-11-18 17:18:16,792 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 17:18:16,939 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:18:16,942 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:18:16,942 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:18:16,942 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:18:16,943 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:18:16,943 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:18:16,943 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-18 17:18:16,946 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:18:16,946 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:18:16,946 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:18:16,947 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:18:16,947 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:18:16,947 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:18:16,947 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-18 17:18:16,947 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:18:16,948 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-18 17:18:16,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 05:18:16 ImpRootNode [2018-11-18 17:18:16,949 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 17:18:16,949 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:18:16,949 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:18:16,949 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:18:16,950 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:18:13" (3/4) ... [2018-11-18 17:18:16,953 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:18:16,957 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 17:18:16,957 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 17:18:16,958 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 17:18:16,958 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 17:18:16,958 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 17:18:16,958 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 17:18:16,964 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2018-11-18 17:18:16,964 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 17:18:16,965 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 17:18:16,990 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning [2018-11-18 17:18:16,990 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning [2018-11-18 17:18:17,031 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_11a95587-3ae6-4cb3-b93d-00bfbd53871e/bin-2019/ukojak/witness.graphml [2018-11-18 17:18:17,031 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:18:17,032 INFO L168 Benchmark]: Toolchain (without parser) took 4979.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 220.2 MB). Free memory was 956.5 MB in the beginning and 816.9 MB in the end (delta: 139.6 MB). Peak memory consumption was 359.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:18:17,033 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:18:17,033 INFO L168 Benchmark]: CACSL2BoogieTranslator took 430.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:18:17,034 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.01 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. [2018-11-18 17:18:17,034 INFO L168 Benchmark]: Boogie Preprocessor took 29.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:18:17,034 INFO L168 Benchmark]: RCFGBuilder took 956.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 88.0 MB). Peak memory consumption was 88.0 MB. Max. memory is 11.5 GB. [2018-11-18 17:18:17,034 INFO L168 Benchmark]: CodeCheck took 3425.10 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.4 MB). Free memory was 1.0 GB in the beginning and 827.8 MB in the end (delta: 214.3 MB). Peak memory consumption was 287.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:18:17,035 INFO L168 Benchmark]: Witness Printer took 82.32 ms. Allocated memory is still 1.2 GB. Free memory was 827.8 MB in the beginning and 816.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:18:17,036 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 7 procedures, 78 locations, 1 error locations. SAFE Result, 3.2s OverallTime, 27 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1289437644 SDtfs, 554625916 SDslu, 889715708 SDs, 0 SdLazy, 563422316 SolverSat, 197575244 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7417 GetRequests, 7235 SyntacticMatches, 106 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2172 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 828 NumberOfCodeBlocks, 828 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 802 ConstructedInterpolants, 0 QuantifiedInterpolants, 63712 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 19 PerfectInterpolantSequences, 225/253 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: 148]: 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: 155]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: tmp == systemActive && 0 == pumpRunning * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 430.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.01 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 29.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 956.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 88.0 MB). Peak memory consumption was 88.0 MB. Max. memory is 11.5 GB. * CodeCheck took 3425.10 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.4 MB). Free memory was 1.0 GB in the beginning and 827.8 MB in the end (delta: 214.3 MB). Peak memory consumption was 287.7 MB. Max. memory is 11.5 GB. * Witness Printer took 82.32 ms. Allocated memory is still 1.2 GB. Free memory was 827.8 MB in the beginning and 816.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...