./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product08_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_66101741-18f2-4f78-bbd8-b07469c908c6/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_66101741-18f2-4f78-bbd8-b07469c908c6/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_66101741-18f2-4f78-bbd8-b07469c908c6/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_66101741-18f2-4f78-bbd8-b07469c908c6/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_66101741-18f2-4f78-bbd8-b07469c908c6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_66101741-18f2-4f78-bbd8-b07469c908c6/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 f0335c6392c59c467837b14da92286fa43b99dfc ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 10:51:17,131 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:51:17,132 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:51:17,142 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:51:17,142 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:51:17,143 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:51:17,144 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:51:17,146 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:51:17,147 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:51:17,148 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:51:17,149 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:51:17,149 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:51:17,150 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:51:17,150 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:51:17,151 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:51:17,152 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:51:17,153 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:51:17,154 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:51:17,155 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:51:17,157 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:51:17,158 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:51:17,159 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:51:17,160 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:51:17,161 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:51:17,161 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:51:17,162 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:51:17,162 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:51:17,163 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:51:17,164 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:51:17,165 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:51:17,165 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:51:17,166 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:51:17,166 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:51:17,166 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:51:17,167 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:51:17,167 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:51:17,168 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_66101741-18f2-4f78-bbd8-b07469c908c6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 10:51:17,179 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:51:17,179 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:51:17,180 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:51:17,180 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 10:51:17,181 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:51:17,181 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:51:17,181 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:51:17,182 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:51:17,182 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:51:17,182 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:51:17,182 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:51:17,182 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:51:17,182 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:51:17,182 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:51:17,183 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:51:17,183 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:51:17,183 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:51:17,183 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:51:17,183 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 10:51:17,183 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 10:51:17,184 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:51:17,184 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:51:17,184 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 10:51:17,184 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:51:17,184 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:51:17,184 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:51:17,185 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 10:51:17,185 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:51:17,185 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:51:17,185 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_66101741-18f2-4f78-bbd8-b07469c908c6/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 -> f0335c6392c59c467837b14da92286fa43b99dfc [2018-11-18 10:51:17,213 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:51:17,224 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:51:17,227 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:51:17,228 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:51:17,229 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:51:17,229 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_66101741-18f2-4f78-bbd8-b07469c908c6/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c [2018-11-18 10:51:17,270 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_66101741-18f2-4f78-bbd8-b07469c908c6/bin-2019/ukojak/data/7c31bfd13/d6d918ea39f744c5abbf5fc464bd6bdc/FLAG25a04c44e [2018-11-18 10:51:17,691 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:51:17,691 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_66101741-18f2-4f78-bbd8-b07469c908c6/sv-benchmarks/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c [2018-11-18 10:51:17,703 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_66101741-18f2-4f78-bbd8-b07469c908c6/bin-2019/ukojak/data/7c31bfd13/d6d918ea39f744c5abbf5fc464bd6bdc/FLAG25a04c44e [2018-11-18 10:51:18,051 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_66101741-18f2-4f78-bbd8-b07469c908c6/bin-2019/ukojak/data/7c31bfd13/d6d918ea39f744c5abbf5fc464bd6bdc [2018-11-18 10:51:18,053 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:51:18,054 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:51:18,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:51:18,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:51:18,058 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:51:18,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:51:18" (1/1) ... [2018-11-18 10:51:18,062 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 10:51:18, skipping insertion in model container [2018-11-18 10:51:18,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:51:18" (1/1) ... [2018-11-18 10:51:18,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:51:18,099 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:51:18,330 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:51:18,341 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:51:18,483 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:51:18,502 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:51:18,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:51:18 WrapperNode [2018-11-18 10:51:18,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:51:18,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:51:18,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:51:18,503 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:51:18,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:51:18" (1/1) ... [2018-11-18 10:51:18,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:51:18" (1/1) ... [2018-11-18 10:51:18,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:51:18,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:51:18,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:51:18,550 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:51:18,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:51:18" (1/1) ... [2018-11-18 10:51:18,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:51:18" (1/1) ... [2018-11-18 10:51:18,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:51:18" (1/1) ... [2018-11-18 10:51:18,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:51:18" (1/1) ... [2018-11-18 10:51:18,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:51:18" (1/1) ... [2018-11-18 10:51:18,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:51:18" (1/1) ... [2018-11-18 10:51:18,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:51:18" (1/1) ... [2018-11-18 10:51:18,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:51:18,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:51:18,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:51:18,572 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:51:18,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:51:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_66101741-18f2-4f78-bbd8-b07469c908c6/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 10:51:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:51:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 10:51:18,616 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 10:51:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 10:51:18,616 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 10:51:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 10:51:18,617 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 10:51:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 10:51:18,617 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 10:51:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 10:51:18,617 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 10:51:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 10:51:18,617 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 10:51:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:51:18,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:51:19,342 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:51:19,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:51:19 BoogieIcfgContainer [2018-11-18 10:51:19,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:51:19,343 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 10:51:19,343 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 10:51:19,351 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 10:51:19,352 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:51:19" (1/1) ... [2018-11-18 10:51:19,361 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:51:19,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:19,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 54 states and 74 transitions. [2018-11-18 10:51:19,394 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2018-11-18 10:51:19,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 10:51:19,400 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:19,564 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 10:51:19,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:19,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 54 states and 71 transitions. [2018-11-18 10:51:19,576 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2018-11-18 10:51:19,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 10:51:19,577 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:19,667 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 10:51:19,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:19,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2018-11-18 10:51:19,706 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-11-18 10:51:19,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 10:51:19,707 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:19,843 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 10:51:19,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:19,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 60 states and 81 transitions. [2018-11-18 10:51:19,977 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2018-11-18 10:51:19,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 10:51:19,981 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:20,048 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 10:51:20,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:20,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 69 states and 96 transitions. [2018-11-18 10:51:20,235 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2018-11-18 10:51:20,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 10:51:20,236 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:20,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:20,280 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 10:51:20,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:20,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 70 states and 97 transitions. [2018-11-18 10:51:20,291 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2018-11-18 10:51:20,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 10:51:20,292 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:20,335 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 10:51:20,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:20,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 98 transitions. [2018-11-18 10:51:20,344 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2018-11-18 10:51:20,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 10:51:20,347 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:20,438 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 10:51:20,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:20,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 88 states and 130 transitions. [2018-11-18 10:51:20,860 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 130 transitions. [2018-11-18 10:51:20,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 10:51:20,860 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:20,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:20,976 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 10:51:21,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:21,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 104 states and 168 transitions. [2018-11-18 10:51:21,870 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 168 transitions. [2018-11-18 10:51:21,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 10:51:21,872 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:21,905 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 10:51:22,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:22,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 109 states and 180 transitions. [2018-11-18 10:51:22,042 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 180 transitions. [2018-11-18 10:51:22,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 10:51:22,043 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:22,072 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 10:51:22,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:22,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 111 states and 181 transitions. [2018-11-18 10:51:22,149 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 181 transitions. [2018-11-18 10:51:22,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 10:51:22,150 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:22,194 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 10:51:22,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:22,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 112 states and 182 transitions. [2018-11-18 10:51:22,210 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 182 transitions. [2018-11-18 10:51:22,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 10:51:22,211 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:22,234 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 10:51:22,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:22,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 113 states and 183 transitions. [2018-11-18 10:51:22,254 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 183 transitions. [2018-11-18 10:51:22,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 10:51:22,256 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:22,337 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 10:51:22,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:22,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 124 states and 208 transitions. [2018-11-18 10:51:22,794 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 208 transitions. [2018-11-18 10:51:22,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 10:51:22,795 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:22,822 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 10:51:22,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:22,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 125 states and 210 transitions. [2018-11-18 10:51:22,863 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 210 transitions. [2018-11-18 10:51:22,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 10:51:22,865 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:22,902 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 10:51:22,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:22,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 126 states and 213 transitions. [2018-11-18 10:51:22,944 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 213 transitions. [2018-11-18 10:51:22,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 10:51:22,946 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:22,982 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 10:51:23,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:23,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 127 states and 216 transitions. [2018-11-18 10:51:23,008 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 216 transitions. [2018-11-18 10:51:23,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 10:51:23,010 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:23,041 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 10:51:23,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:23,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 131 states and 221 transitions. [2018-11-18 10:51:23,198 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 221 transitions. [2018-11-18 10:51:23,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 10:51:23,199 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:23,229 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 10:51:23,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:23,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 132 states and 223 transitions. [2018-11-18 10:51:23,282 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 223 transitions. [2018-11-18 10:51:23,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 10:51:23,283 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:23,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:23,384 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 10:51:23,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:23,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 145 states and 262 transitions. [2018-11-18 10:51:23,794 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 262 transitions. [2018-11-18 10:51:23,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 10:51:23,795 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:23,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:23,832 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 10:51:24,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:24,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 148 states and 265 transitions. [2018-11-18 10:51:24,003 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 265 transitions. [2018-11-18 10:51:24,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 10:51:24,004 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:24,039 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 10:51:24,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:24,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 151 states and 267 transitions. [2018-11-18 10:51:24,193 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 267 transitions. [2018-11-18 10:51:24,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 10:51:24,194 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:24,459 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:51:25,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:25,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 160 states and 290 transitions. [2018-11-18 10:51:25,840 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 290 transitions. [2018-11-18 10:51:25,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 10:51:25,841 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:25,870 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 10:51:25,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:25,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 161 states and 291 transitions. [2018-11-18 10:51:25,894 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 291 transitions. [2018-11-18 10:51:25,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 10:51:25,896 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:25,918 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 10:51:25,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:25,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 162 states and 292 transitions. [2018-11-18 10:51:25,937 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 292 transitions. [2018-11-18 10:51:25,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 10:51:25,938 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:25,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:25,961 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 10:51:26,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:26,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 163 states and 289 transitions. [2018-11-18 10:51:26,152 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 289 transitions. [2018-11-18 10:51:26,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 10:51:26,153 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:26,268 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 10:51:26,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:26,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 166 states and 294 transitions. [2018-11-18 10:51:26,850 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 294 transitions. [2018-11-18 10:51:26,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 10:51:26,851 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:26,982 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:51:27,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:27,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 167 states and 293 transitions. [2018-11-18 10:51:27,709 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 293 transitions. [2018-11-18 10:51:27,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 10:51:27,710 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:27,793 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 10:51:28,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:28,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 169 states and 296 transitions. [2018-11-18 10:51:28,080 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 296 transitions. [2018-11-18 10:51:28,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 10:51:28,081 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:28,130 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:51:28,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:28,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 137 states and 230 transitions. [2018-11-18 10:51:28,283 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 230 transitions. [2018-11-18 10:51:28,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 10:51:28,284 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:28,307 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 10:51:28,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:28,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 142 states and 237 transitions. [2018-11-18 10:51:28,336 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 237 transitions. [2018-11-18 10:51:28,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 10:51:28,337 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:28,358 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 10:51:28,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:28,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 131 states and 214 transitions. [2018-11-18 10:51:28,389 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 214 transitions. [2018-11-18 10:51:28,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 10:51:28,390 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:28,411 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 10:51:28,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:28,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 129 states and 210 transitions. [2018-11-18 10:51:28,446 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 210 transitions. [2018-11-18 10:51:28,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 10:51:28,447 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:51:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:51:28,464 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 10:51:28,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:51:28,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 81 states and 119 transitions. [2018-11-18 10:51:28,492 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 119 transitions. [2018-11-18 10:51:28,493 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:51:28,493 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2018-11-18 10:51:28,502 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 10:51:28,760 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:51:28,763 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:51:28,763 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:51:28,763 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:51:28,764 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:51:28,764 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:51:28,764 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-18 10:51:28,768 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:51:28,769 INFO L579 CodeCheckObserver]: Invariant with dag size 18 [2018-11-18 10:51:28,770 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:51:28,770 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:51:28,770 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:51:28,770 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-18 10:51:28,771 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:51:28,771 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:51:28,771 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:51:28,771 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:51:28,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 10:51:28 ImpRootNode [2018-11-18 10:51:28,772 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 10:51:28,774 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:51:28,774 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:51:28,774 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:51:28,775 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:51:19" (3/4) ... [2018-11-18 10:51:28,780 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:51:28,786 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 10:51:28,786 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 10:51:28,786 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 10:51:28,786 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 10:51:28,786 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 10:51:28,787 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 10:51:28,793 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2018-11-18 10:51:28,794 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 10:51:28,794 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 10:51:28,825 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning)) || ((!(1 == waterLevel) && !(systemActive == 0)) && \old(pumpRunning) == pumpRunning) [2018-11-18 10:51:28,825 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == waterLevel && \old(waterLevel) == waterLevel) || !(0 == pumpRunning)) || (!(1 == waterLevel) && \old(pumpRunning) == pumpRunning) [2018-11-18 10:51:28,867 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_66101741-18f2-4f78-bbd8-b07469c908c6/bin-2019/ukojak/witness.graphml [2018-11-18 10:51:28,867 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:51:28,868 INFO L168 Benchmark]: Toolchain (without parser) took 10814.25 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 384.8 MB). Free memory was 956.5 MB in the beginning and 898.4 MB in the end (delta: 58.1 MB). Peak memory consumption was 442.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:51:28,869 INFO L168 Benchmark]: CDTParser took 0.16 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 10:51:28,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 447.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 956.5 MB in the beginning and 1.2 GB in the end (delta: -205.0 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:51:28,870 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:51:28,870 INFO L168 Benchmark]: Boogie Preprocessor took 21.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:51:28,871 INFO L168 Benchmark]: RCFGBuilder took 770.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 72.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:51:28,871 INFO L168 Benchmark]: CodeCheck took 9429.19 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 205.0 MB). Free memory was 1.1 GB in the beginning and 907.8 MB in the end (delta: 177.9 MB). Peak memory consumption was 382.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:51:28,871 INFO L168 Benchmark]: Witness Printer took 93.48 ms. Allocated memory is still 1.4 GB. Free memory was 907.8 MB in the beginning and 898.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:51:28,873 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, 77 locations, 1 error locations. SAFE Result, 9.1s OverallTime, 34 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -153330612 SDtfs, 2086867964 SDslu, -237790420 SDs, 0 SdLazy, -1561724100 SolverSat, 1256662924 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10873 GetRequests, 10497 SyntacticMatches, 172 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19787 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1098 NumberOfCodeBlocks, 1098 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1065 ConstructedInterpolants, 0 QuantifiedInterpolants, 95691 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 27 PerfectInterpolantSequences, 297/321 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: 890]: 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: 675]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: ((1 == waterLevel && \old(waterLevel) == waterLevel) || !(0 == pumpRunning)) || (!(1 == waterLevel) && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning)) || ((!(1 == waterLevel) && !(systemActive == 0)) && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: ((tmp == systemActive && 0 == pumpRunning) && 1 == waterLevel) && tmp == 1 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 447.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 956.5 MB in the beginning and 1.2 GB in the end (delta: -205.0 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 770.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 72.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 11.5 GB. * CodeCheck took 9429.19 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 205.0 MB). Free memory was 1.1 GB in the beginning and 907.8 MB in the end (delta: 177.9 MB). Peak memory consumption was 382.9 MB. Max. memory is 11.5 GB. * Witness Printer took 93.48 ms. Allocated memory is still 1.4 GB. Free memory was 907.8 MB in the beginning and 898.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...