./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_821b02ed-07f1-42b1-90f0-1b2e8314a6f7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_821b02ed-07f1-42b1-90f0-1b2e8314a6f7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_821b02ed-07f1-42b1-90f0-1b2e8314a6f7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_821b02ed-07f1-42b1-90f0-1b2e8314a6f7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_821b02ed-07f1-42b1-90f0-1b2e8314a6f7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_821b02ed-07f1-42b1-90f0-1b2e8314a6f7/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 96a6a55f57d553b5130f5c53dc9262391d0aca1d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 09:36:09,267 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 09:36:09,268 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 09:36:09,276 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 09:36:09,276 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 09:36:09,277 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 09:36:09,277 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 09:36:09,278 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 09:36:09,280 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 09:36:09,280 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 09:36:09,281 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 09:36:09,281 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 09:36:09,282 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 09:36:09,283 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 09:36:09,283 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 09:36:09,284 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 09:36:09,285 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 09:36:09,286 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 09:36:09,287 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 09:36:09,288 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 09:36:09,289 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 09:36:09,290 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 09:36:09,292 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 09:36:09,292 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 09:36:09,292 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 09:36:09,293 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 09:36:09,294 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 09:36:09,294 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 09:36:09,295 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 09:36:09,296 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 09:36:09,296 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 09:36:09,296 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 09:36:09,296 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 09:36:09,296 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 09:36:09,297 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 09:36:09,297 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 09:36:09,298 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_821b02ed-07f1-42b1-90f0-1b2e8314a6f7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 09:36:09,308 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 09:36:09,308 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 09:36:09,309 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 09:36:09,309 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 09:36:09,309 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 09:36:09,309 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 09:36:09,309 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 09:36:09,310 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 09:36:09,310 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 09:36:09,310 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 09:36:09,310 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 09:36:09,310 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 09:36:09,310 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 09:36:09,310 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 09:36:09,310 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 09:36:09,311 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 09:36:09,311 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 09:36:09,311 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 09:36:09,311 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 09:36:09,311 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 09:36:09,311 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 09:36:09,311 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 09:36:09,312 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 09:36:09,312 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 09:36:09,312 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 09:36:09,312 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 09:36:09,312 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 09:36:09,312 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 09:36:09,312 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_821b02ed-07f1-42b1-90f0-1b2e8314a6f7/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 -> 96a6a55f57d553b5130f5c53dc9262391d0aca1d [2018-11-10 09:36:09,334 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 09:36:09,343 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 09:36:09,345 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 09:36:09,346 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 09:36:09,346 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 09:36:09,347 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_821b02ed-07f1-42b1-90f0-1b2e8314a6f7/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c [2018-11-10 09:36:09,381 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_821b02ed-07f1-42b1-90f0-1b2e8314a6f7/bin-2019/ukojak/data/530120197/cf70beaf3b7340bba232d47ff3e534b0/FLAG53907f9d0 [2018-11-10 09:36:09,808 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 09:36:09,808 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_821b02ed-07f1-42b1-90f0-1b2e8314a6f7/sv-benchmarks/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c [2018-11-10 09:36:09,815 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_821b02ed-07f1-42b1-90f0-1b2e8314a6f7/bin-2019/ukojak/data/530120197/cf70beaf3b7340bba232d47ff3e534b0/FLAG53907f9d0 [2018-11-10 09:36:09,823 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_821b02ed-07f1-42b1-90f0-1b2e8314a6f7/bin-2019/ukojak/data/530120197/cf70beaf3b7340bba232d47ff3e534b0 [2018-11-10 09:36:09,825 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 09:36:09,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 09:36:09,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 09:36:09,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 09:36:09,830 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 09:36:09,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:36:09" (1/1) ... [2018-11-10 09:36:09,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23291eec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:36:09, skipping insertion in model container [2018-11-10 09:36:09,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:36:09" (1/1) ... [2018-11-10 09:36:09,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 09:36:09,869 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 09:36:10,043 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:36:10,051 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 09:36:10,103 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 09:36:10,165 INFO L193 MainTranslator]: Completed translation [2018-11-10 09:36:10,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:36:10 WrapperNode [2018-11-10 09:36:10,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 09:36:10,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 09:36:10,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 09:36:10,166 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 09:36:10,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:36:10" (1/1) ... [2018-11-10 09:36:10,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:36:10" (1/1) ... [2018-11-10 09:36:10,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 09:36:10,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 09:36:10,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 09:36:10,207 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 09:36:10,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:36:10" (1/1) ... [2018-11-10 09:36:10,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:36:10" (1/1) ... [2018-11-10 09:36:10,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:36:10" (1/1) ... [2018-11-10 09:36:10,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:36:10" (1/1) ... [2018-11-10 09:36:10,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:36:10" (1/1) ... [2018-11-10 09:36:10,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:36:10" (1/1) ... [2018-11-10 09:36:10,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:36:10" (1/1) ... [2018-11-10 09:36:10,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 09:36:10,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 09:36:10,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 09:36:10,231 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 09:36:10,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:36:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_821b02ed-07f1-42b1-90f0-1b2e8314a6f7/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 [2018-11-10 09:36:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 09:36:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 09:36:10,274 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 09:36:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 09:36:10,274 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 09:36:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 09:36:10,275 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 09:36:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 09:36:10,275 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 09:36:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 09:36:10,275 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 09:36:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 09:36:10,275 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 09:36:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 09:36:10,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 09:36:11,246 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 09:36:11,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:36:11 BoogieIcfgContainer [2018-11-10 09:36:11,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 09:36:11,247 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 09:36:11,247 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 09:36:11,258 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 09:36:11,258 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:36:11" (1/1) ... [2018-11-10 09:36:11,270 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 09:36:11,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:11,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 54 states and 74 transitions. [2018-11-10 09:36:11,315 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2018-11-10 09:36:11,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 09:36:11,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:11,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:36:11,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:11,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 54 states and 71 transitions. [2018-11-10 09:36:11,500 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2018-11-10 09:36:11,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 09:36:11,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:11,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:36:11,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:11,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2018-11-10 09:36:11,646 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-11-10 09:36:11,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 09:36:11,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:11,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:36:12,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:12,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 96 transitions. [2018-11-10 09:36:12,014 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2018-11-10 09:36:12,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 09:36:12,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:12,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:36:12,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:12,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 69 states and 97 transitions. [2018-11-10 09:36:12,058 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2018-11-10 09:36:12,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 09:36:12,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:12,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:36:12,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:12,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 70 states and 98 transitions. [2018-11-10 09:36:12,098 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2018-11-10 09:36:12,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 09:36:12,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:12,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:36:12,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:12,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 71 states and 99 transitions. [2018-11-10 09:36:12,136 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2018-11-10 09:36:12,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 09:36:12,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:12,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:36:12,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:12,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 88 states and 132 transitions. [2018-11-10 09:36:12,563 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 132 transitions. [2018-11-10 09:36:12,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 09:36:12,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:12,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:36:12,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:12,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 93 states and 142 transitions. [2018-11-10 09:36:12,624 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 142 transitions. [2018-11-10 09:36:12,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 09:36:12,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:12,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:36:12,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:12,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 94 states and 143 transitions. [2018-11-10 09:36:12,697 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 143 transitions. [2018-11-10 09:36:12,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 09:36:12,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:12,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:36:12,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:12,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 95 states and 144 transitions. [2018-11-10 09:36:12,729 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 144 transitions. [2018-11-10 09:36:12,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 09:36:12,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:12,767 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:36:13,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:13,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 106 states and 167 transitions. [2018-11-10 09:36:13,009 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 167 transitions. [2018-11-10 09:36:13,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 09:36:13,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:13,035 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:36:13,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:13,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 107 states and 168 transitions. [2018-11-10 09:36:13,086 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 168 transitions. [2018-11-10 09:36:13,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 09:36:13,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:13,119 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:36:13,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:13,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 105 states and 164 transitions. [2018-11-10 09:36:13,157 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 164 transitions. [2018-11-10 09:36:13,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 09:36:13,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:13,182 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 09:36:13,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:13,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 101 states and 156 transitions. [2018-11-10 09:36:13,211 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 156 transitions. [2018-11-10 09:36:13,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 09:36:13,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:13,268 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 09:36:13,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:13,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 113 states and 190 transitions. [2018-11-10 09:36:13,557 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 190 transitions. [2018-11-10 09:36:13,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 09:36:13,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:13,583 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 09:36:13,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:13,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 116 states and 193 transitions. [2018-11-10 09:36:13,681 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 193 transitions. [2018-11-10 09:36:13,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 09:36:13,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:13,706 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 09:36:13,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:13,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 119 states and 195 transitions. [2018-11-10 09:36:13,817 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 195 transitions. [2018-11-10 09:36:13,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 09:36:13,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:13,844 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 09:36:13,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:13,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 120 states and 192 transitions. [2018-11-10 09:36:13,953 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 192 transitions. [2018-11-10 09:36:13,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 09:36:13,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:13,975 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 09:36:13,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:13,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 121 states and 192 transitions. [2018-11-10 09:36:13,980 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 192 transitions. [2018-11-10 09:36:13,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 09:36:13,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:14,000 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 09:36:14,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:14,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 122 states and 193 transitions. [2018-11-10 09:36:14,021 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 193 transitions. [2018-11-10 09:36:14,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 09:36:14,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:14,040 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 09:36:14,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:14,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 123 states and 194 transitions. [2018-11-10 09:36:14,062 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 194 transitions. [2018-11-10 09:36:14,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 09:36:14,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:14,104 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 09:36:14,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:14,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 91 states and 130 transitions. [2018-11-10 09:36:14,195 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 130 transitions. [2018-11-10 09:36:14,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 09:36:14,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:14,213 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 09:36:14,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:14,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 95 states and 137 transitions. [2018-11-10 09:36:14,238 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2018-11-10 09:36:14,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 09:36:14,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:14,255 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 09:36:14,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:14,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 96 states and 137 transitions. [2018-11-10 09:36:14,268 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 137 transitions. [2018-11-10 09:36:14,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 09:36:14,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:14,285 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 09:36:14,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:14,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 94 states and 133 transitions. [2018-11-10 09:36:14,320 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 133 transitions. [2018-11-10 09:36:14,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 09:36:14,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 09:36:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 09:36:14,341 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 09:36:14,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 09:36:14,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 51 states and 66 transitions. [2018-11-10 09:36:14,370 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2018-11-10 09:36:14,371 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 09:36:14,371 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2018-11-10 09:36:14,379 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 09:36:14,503 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 09:36:14,505 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 09:36:14,505 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-11-10 09:36:14,508 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 09:36:14,508 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-11-10 09:36:14,509 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 09:36:14,509 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 09:36:14,509 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 09:36:14,509 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 09:36:14,509 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 09:36:14,509 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 09:36:14,509 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-11-10 09:36:14,510 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 09:36:14,510 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 09:36:14,511 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 09:36:14,511 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 09:36:14,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 09:36:14 ImpRootNode [2018-11-10 09:36:14,512 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 09:36:14,512 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 09:36:14,512 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 09:36:14,512 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 09:36:14,513 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 09:36:11" (3/4) ... [2018-11-10 09:36:14,515 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 09:36:14,520 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 09:36:14,520 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 09:36:14,520 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 09:36:14,520 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 09:36:14,520 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 09:36:14,520 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 09:36:14,525 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2018-11-10 09:36:14,526 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-10 09:36:14,526 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-10 09:36:14,546 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning || !(0 == pumpRunning) [2018-11-10 09:36:14,546 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning [2018-11-10 09:36:14,578 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_821b02ed-07f1-42b1-90f0-1b2e8314a6f7/bin-2019/ukojak/witness.graphml [2018-11-10 09:36:14,579 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 09:36:14,579 INFO L168 Benchmark]: Toolchain (without parser) took 4753.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.9 MB). Free memory was 963.0 MB in the beginning and 966.1 MB in the end (delta: -3.1 MB). Peak memory consumption was 188.8 MB. Max. memory is 11.5 GB. [2018-11-10 09:36:14,580 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:36:14,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -180.2 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. [2018-11-10 09:36:14,581 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 09:36:14,581 INFO L168 Benchmark]: Boogie Preprocessor took 24.08 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. [2018-11-10 09:36:14,581 INFO L168 Benchmark]: RCFGBuilder took 1015.94 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: 97.6 MB). Peak memory consumption was 97.6 MB. Max. memory is 11.5 GB. [2018-11-10 09:36:14,581 INFO L168 Benchmark]: CodeCheck took 3264.43 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 49.8 MB). Free memory was 1.0 GB in the beginning and 972.3 MB in the end (delta: 65.2 MB). Peak memory consumption was 115.0 MB. Max. memory is 11.5 GB. [2018-11-10 09:36:14,581 INFO L168 Benchmark]: Witness Printer took 66.67 ms. Allocated memory is still 1.2 GB. Free memory was 972.3 MB in the beginning and 966.1 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. [2018-11-10 09:36:14,583 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, 114 locations, 1 error locations. SAFE Result, 3.0s 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, 7.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7424 GetRequests, 7241 SyntacticMatches, 107 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2216 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s 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: 680]: 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: 838]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning || !(0 == pumpRunning) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 0 == pumpRunning && tmp == systemActive - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 339.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -180.2 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1015.94 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: 97.6 MB). Peak memory consumption was 97.6 MB. Max. memory is 11.5 GB. * CodeCheck took 3264.43 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 49.8 MB). Free memory was 1.0 GB in the beginning and 972.3 MB in the end (delta: 65.2 MB). Peak memory consumption was 115.0 MB. Max. memory is 11.5 GB. * Witness Printer took 66.67 ms. Allocated memory is still 1.2 GB. Free memory was 972.3 MB in the beginning and 966.1 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...