./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product25_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_94348321-cff9-4c93-91fe-843d2c2de8b2/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_94348321-cff9-4c93-91fe-843d2c2de8b2/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_94348321-cff9-4c93-91fe-843d2c2de8b2/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_94348321-cff9-4c93-91fe-843d2c2de8b2/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product25_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_94348321-cff9-4c93-91fe-843d2c2de8b2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_94348321-cff9-4c93-91fe-843d2c2de8b2/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 5c8fccd9aead26260fe6c28d5df9729813f96355 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 15:13:41,314 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 15:13:41,315 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 15:13:41,321 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 15:13:41,321 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 15:13:41,322 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 15:13:41,322 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 15:13:41,323 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 15:13:41,324 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 15:13:41,325 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 15:13:41,325 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 15:13:41,325 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 15:13:41,326 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 15:13:41,326 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 15:13:41,327 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 15:13:41,328 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 15:13:41,328 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 15:13:41,329 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 15:13:41,330 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 15:13:41,331 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 15:13:41,332 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 15:13:41,332 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 15:13:41,334 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 15:13:41,334 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 15:13:41,334 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 15:13:41,335 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 15:13:41,335 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 15:13:41,336 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 15:13:41,336 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 15:13:41,337 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 15:13:41,337 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 15:13:41,337 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 15:13:41,337 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 15:13:41,338 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 15:13:41,338 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 15:13:41,339 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 15:13:41,339 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_94348321-cff9-4c93-91fe-843d2c2de8b2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 15:13:41,346 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 15:13:41,347 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 15:13:41,347 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 15:13:41,347 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 15:13:41,348 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 15:13:41,348 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 15:13:41,348 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 15:13:41,348 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 15:13:41,348 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 15:13:41,348 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 15:13:41,349 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 15:13:41,349 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 15:13:41,349 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 15:13:41,349 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 15:13:41,349 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 15:13:41,349 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 15:13:41,349 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 15:13:41,350 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 15:13:41,350 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 15:13:41,350 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 15:13:41,350 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 15:13:41,350 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 15:13:41,350 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 15:13:41,350 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 15:13:41,350 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 15:13:41,351 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 15:13:41,351 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 15:13:41,351 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 15:13:41,351 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 15:13:41,351 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_94348321-cff9-4c93-91fe-843d2c2de8b2/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 -> 5c8fccd9aead26260fe6c28d5df9729813f96355 [2018-12-01 15:13:41,369 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 15:13:41,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 15:13:41,380 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 15:13:41,381 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 15:13:41,382 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 15:13:41,382 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_94348321-cff9-4c93-91fe-843d2c2de8b2/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product25_true-unreach-call_false-termination.cil.c [2018-12-01 15:13:41,416 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_94348321-cff9-4c93-91fe-843d2c2de8b2/bin-2019/ukojak/data/6359aaebd/003ac4657b634007b888e00cbb1c5760/FLAGde307dfe4 [2018-12-01 15:13:41,798 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 15:13:41,798 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_94348321-cff9-4c93-91fe-843d2c2de8b2/sv-benchmarks/c/product-lines/minepump_spec2_product25_true-unreach-call_false-termination.cil.c [2018-12-01 15:13:41,804 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_94348321-cff9-4c93-91fe-843d2c2de8b2/bin-2019/ukojak/data/6359aaebd/003ac4657b634007b888e00cbb1c5760/FLAGde307dfe4 [2018-12-01 15:13:42,159 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_94348321-cff9-4c93-91fe-843d2c2de8b2/bin-2019/ukojak/data/6359aaebd/003ac4657b634007b888e00cbb1c5760 [2018-12-01 15:13:42,165 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 15:13:42,167 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 15:13:42,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 15:13:42,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 15:13:42,175 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 15:13:42,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:13:42" (1/1) ... [2018-12-01 15:13:42,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c1a3593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:13:42, skipping insertion in model container [2018-12-01 15:13:42,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:13:42" (1/1) ... [2018-12-01 15:13:42,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 15:13:42,205 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 15:13:42,350 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:13:42,358 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 15:13:42,442 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:13:42,458 INFO L195 MainTranslator]: Completed translation [2018-12-01 15:13:42,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:13:42 WrapperNode [2018-12-01 15:13:42,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 15:13:42,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 15:13:42,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 15:13:42,459 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 15:13:42,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:13:42" (1/1) ... [2018-12-01 15:13:42,474 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:13:42" (1/1) ... [2018-12-01 15:13:42,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 15:13:42,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 15:13:42,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 15:13:42,490 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 15:13:42,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:13:42" (1/1) ... [2018-12-01 15:13:42,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:13:42" (1/1) ... [2018-12-01 15:13:42,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:13:42" (1/1) ... [2018-12-01 15:13:42,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:13:42" (1/1) ... [2018-12-01 15:13:42,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:13:42" (1/1) ... [2018-12-01 15:13:42,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:13:42" (1/1) ... [2018-12-01 15:13:42,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:13:42" (1/1) ... [2018-12-01 15:13:42,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 15:13:42,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 15:13:42,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 15:13:42,509 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 15:13:42,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:13:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94348321-cff9-4c93-91fe-843d2c2de8b2/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 [2018-12-01 15:13:42,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 15:13:42,544 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-01 15:13:42,544 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-01 15:13:42,544 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-01 15:13:42,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-01 15:13:42,544 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 15:13:42,544 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 15:13:42,545 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 15:13:42,545 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 15:13:42,545 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 15:13:42,545 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 15:13:42,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 15:13:42,545 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 15:13:42,545 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 15:13:42,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 15:13:42,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 15:13:42,903 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 15:13:42,904 INFO L280 CfgBuilder]: Removed 36 assue(true) statements. [2018-12-01 15:13:42,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:13:42 BoogieIcfgContainer [2018-12-01 15:13:42,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 15:13:42,904 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 15:13:42,905 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 15:13:42,914 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 15:13:42,914 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:13:42" (1/1) ... [2018-12-01 15:13:42,924 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:13:42,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:42,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2018-12-01 15:13:42,957 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2018-12-01 15:13:42,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 15:13:42,961 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:43,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:13:43,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:43,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2018-12-01 15:13:43,107 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2018-12-01 15:13:43,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 15:13:43,108 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:43,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:13:43,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:43,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2018-12-01 15:13:43,181 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2018-12-01 15:13:43,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 15:13:43,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:43,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:13:43,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:43,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 58 states and 81 transitions. [2018-12-01 15:13:43,284 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2018-12-01 15:13:43,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 15:13:43,285 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:43,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:13:43,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:43,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 68 states and 102 transitions. [2018-12-01 15:13:43,450 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 102 transitions. [2018-12-01 15:13:43,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 15:13:43,452 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:43,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:13:43,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:43,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 69 states and 103 transitions. [2018-12-01 15:13:43,492 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 103 transitions. [2018-12-01 15:13:43,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 15:13:43,493 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:43,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:13:43,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:43,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 84 states and 134 transitions. [2018-12-01 15:13:43,872 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 134 transitions. [2018-12-01 15:13:43,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 15:13:43,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:43,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:13:43,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:43,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 85 states and 135 transitions. [2018-12-01 15:13:43,916 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 135 transitions. [2018-12-01 15:13:43,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 15:13:43,917 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:43,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:13:43,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:43,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 86 states and 136 transitions. [2018-12-01 15:13:43,944 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 136 transitions. [2018-12-01 15:13:43,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 15:13:43,945 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:43,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:13:43,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:43,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 87 states and 137 transitions. [2018-12-01 15:13:43,972 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 137 transitions. [2018-12-01 15:13:43,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 15:13:43,972 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:44,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:13:44,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:44,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 93 states and 145 transitions. [2018-12-01 15:13:44,242 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 145 transitions. [2018-12-01 15:13:44,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-01 15:13:44,244 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:44,300 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 15:13:44,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:44,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 99 states and 157 transitions. [2018-12-01 15:13:44,472 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 157 transitions. [2018-12-01 15:13:44,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-01 15:13:44,473 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:44,492 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 15:13:44,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:44,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 97 states and 153 transitions. [2018-12-01 15:13:44,502 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 153 transitions. [2018-12-01 15:13:44,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-01 15:13:44,503 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:44,721 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 15:13:45,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:45,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 104 states and 173 transitions. [2018-12-01 15:13:45,331 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 173 transitions. [2018-12-01 15:13:45,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-01 15:13:45,332 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:45,356 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 15:13:45,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:45,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 113 states and 191 transitions. [2018-12-01 15:13:45,552 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 191 transitions. [2018-12-01 15:13:45,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-01 15:13:45,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:45,565 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 15:13:45,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:45,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 115 states and 195 transitions. [2018-12-01 15:13:45,677 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 195 transitions. [2018-12-01 15:13:45,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 15:13:45,678 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:45,722 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 15:13:46,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:46,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 132 states and 246 transitions. [2018-12-01 15:13:46,567 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 246 transitions. [2018-12-01 15:13:46,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-01 15:13:46,568 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:46,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:46,592 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 15:13:46,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:46,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 133 states and 247 transitions. [2018-12-01 15:13:46,608 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 247 transitions. [2018-12-01 15:13:46,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-01 15:13:46,609 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:46,625 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 15:13:46,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:46,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 134 states and 248 transitions. [2018-12-01 15:13:46,646 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 248 transitions. [2018-12-01 15:13:46,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-01 15:13:46,646 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:46,664 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 15:13:46,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:46,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 135 states and 249 transitions. [2018-12-01 15:13:46,685 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 249 transitions. [2018-12-01 15:13:46,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-01 15:13:46,686 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:46,700 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 15:13:46,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:46,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 136 states and 250 transitions. [2018-12-01 15:13:46,722 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 250 transitions. [2018-12-01 15:13:46,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-01 15:13:46,722 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:46,736 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 15:13:47,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:47,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 145 states and 277 transitions. [2018-12-01 15:13:47,467 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 277 transitions. [2018-12-01 15:13:47,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 15:13:47,468 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:47,483 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 15:13:47,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:47,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 149 states and 284 transitions. [2018-12-01 15:13:47,660 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 284 transitions. [2018-12-01 15:13:47,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 15:13:47,661 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:47,758 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 15:13:48,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:48,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 153 states and 293 transitions. [2018-12-01 15:13:48,541 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 293 transitions. [2018-12-01 15:13:48,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 15:13:48,541 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:48,561 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 15:13:48,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:48,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 144 states and 270 transitions. [2018-12-01 15:13:48,713 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 270 transitions. [2018-12-01 15:13:48,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 15:13:48,714 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:48,726 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 15:13:48,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:48,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 142 states and 266 transitions. [2018-12-01 15:13:48,749 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 266 transitions. [2018-12-01 15:13:48,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 15:13:48,750 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:48,903 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 15:13:49,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:49,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 148 states and 279 transitions. [2018-12-01 15:13:49,409 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 279 transitions. [2018-12-01 15:13:49,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 15:13:49,409 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:49,429 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 15:13:49,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:49,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 148 states and 278 transitions. [2018-12-01 15:13:49,455 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 278 transitions. [2018-12-01 15:13:49,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 15:13:49,456 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:49,481 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-01 15:13:49,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:49,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 150 states and 281 transitions. [2018-12-01 15:13:49,501 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 281 transitions. [2018-12-01 15:13:49,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-01 15:13:49,502 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:49,716 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 15:13:49,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:49,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 152 states and 282 transitions. [2018-12-01 15:13:49,952 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 282 transitions. [2018-12-01 15:13:49,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-01 15:13:49,953 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:49,965 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 15:13:49,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:49,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 148 states and 272 transitions. [2018-12-01 15:13:49,986 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 272 transitions. [2018-12-01 15:13:49,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-01 15:13:49,987 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:49,999 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 15:13:50,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:50,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 149 states and 273 transitions. [2018-12-01 15:13:50,026 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 273 transitions. [2018-12-01 15:13:50,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-01 15:13:50,027 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:50,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:50,039 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-01 15:13:50,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:50,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 142 states and 260 transitions. [2018-12-01 15:13:50,053 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 260 transitions. [2018-12-01 15:13:50,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 15:13:50,054 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:50,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:50,173 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 30 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-01 15:13:51,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:51,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 153 states and 282 transitions. [2018-12-01 15:13:51,216 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 282 transitions. [2018-12-01 15:13:51,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-01 15:13:51,217 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:51,346 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 30 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-01 15:13:51,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:51,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 154 states and 283 transitions. [2018-12-01 15:13:51,363 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 283 transitions. [2018-12-01 15:13:51,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-01 15:13:51,364 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:51,378 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-01 15:13:51,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:51,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 150 states and 271 transitions. [2018-12-01 15:13:51,565 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 271 transitions. [2018-12-01 15:13:51,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 15:13:51,566 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:13:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:13:51,581 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 15:13:51,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:13:51,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 77 states and 108 transitions. [2018-12-01 15:13:51,763 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2018-12-01 15:13:51,764 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 15:13:51,764 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2018-12-01 15:13:51,771 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 15:13:51,939 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 15:13:51,941 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-01 15:13:51,944 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 15:13:51,944 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 15:13:51,945 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 15:13:51,945 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 15:13:51,945 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 15:13:51,945 INFO L583 CodeCheckObserver]: Invariant with dag size 11 [2018-12-01 15:13:51,945 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 15:13:51,945 INFO L583 CodeCheckObserver]: Invariant with dag size 12 [2018-12-01 15:13:51,946 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 15:13:51,946 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-01 15:13:51,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 03:13:51 ImpRootNode [2018-12-01 15:13:51,946 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 15:13:51,946 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 15:13:51,946 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 15:13:51,946 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 15:13:51,947 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:13:42" (3/4) ... [2018-12-01 15:13:51,949 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 15:13:51,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-01 15:13:51,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-01 15:13:51,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-01 15:13:51,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-01 15:13:51,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-01 15:13:51,953 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-01 15:13:51,956 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2018-12-01 15:13:51,956 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-12-01 15:13:51,957 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-01 15:13:51,957 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-01 15:13:51,957 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 15:13:51,957 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 15:13:51,974 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive [2018-12-01 15:13:51,974 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning) [2018-12-01 15:13:51,975 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == tmp || 0 == tmp) || !(0 == pumpRunning)) || !(pumpRunning == \old(pumpRunning)) [2018-12-01 15:13:51,993 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_94348321-cff9-4c93-91fe-843d2c2de8b2/bin-2019/ukojak/witness.graphml [2018-12-01 15:13:51,993 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 15:13:51,994 INFO L168 Benchmark]: Toolchain (without parser) took 9828.15 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 443.0 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -118.4 MB). Peak memory consumption was 324.7 MB. Max. memory is 11.5 GB. [2018-12-01 15:13:51,994 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:13:51,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 956.0 MB in the beginning and 1.2 GB in the end (delta: -207.6 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-01 15:13:51,995 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.76 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. [2018-12-01 15:13:51,995 INFO L168 Benchmark]: Boogie Preprocessor took 18.02 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. [2018-12-01 15:13:51,995 INFO L168 Benchmark]: RCFGBuilder took 395.68 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: 62.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 11.5 GB. [2018-12-01 15:13:51,995 INFO L168 Benchmark]: CodeCheck took 9041.68 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 267.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.9 MB). Peak memory consumption was 291.3 MB. Max. memory is 11.5 GB. [2018-12-01 15:13:51,995 INFO L168 Benchmark]: Witness Printer took 46.82 ms. Allocated memory is still 1.5 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:13:51,996 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, 67 locations, 1 error locations. SAFE Result, 8.8s OverallTime, 37 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1227956432 SDtfs, -552816862 SDslu, 1248758632 SDs, 0 SdLazy, -1325982778 SolverSat, -1816832748 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17316 GetRequests, 16902 SyntacticMatches, 180 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24742 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1712 NumberOfCodeBlocks, 1712 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 1676 ConstructedInterpolants, 0 QuantifiedInterpolants, 186208 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 23 PerfectInterpolantSequences, 780/873 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: 518]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == tmp || 0 == tmp) || !(0 == pumpRunning)) || !(pumpRunning == \old(pumpRunning)) - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 289.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 956.0 MB in the beginning and 1.2 GB in the end (delta: -207.6 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.76 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. * Boogie Preprocessor took 18.02 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. * RCFGBuilder took 395.68 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: 62.2 MB). Peak memory consumption was 62.2 MB. Max. memory is 11.5 GB. * CodeCheck took 9041.68 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 267.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.9 MB). Peak memory consumption was 291.3 MB. Max. memory is 11.5 GB. * Witness Printer took 46.82 ms. Allocated memory is still 1.5 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...