./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product17_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_c6ca3cbb-694d-4fa7-814b-783020c27355/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c6ca3cbb-694d-4fa7-814b-783020c27355/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c6ca3cbb-694d-4fa7-814b-783020c27355/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c6ca3cbb-694d-4fa7-814b-783020c27355/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product17_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c6ca3cbb-694d-4fa7-814b-783020c27355/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c6ca3cbb-694d-4fa7-814b-783020c27355/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 d2adcf2b9b8b03691138caa579df024fc7b4a734 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:05:42,341 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:05:42,343 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:05:42,352 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:05:42,352 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:05:42,353 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:05:42,353 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:05:42,355 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:05:42,356 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:05:42,357 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:05:42,357 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:05:42,358 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:05:42,358 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:05:42,359 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:05:42,360 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:05:42,360 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:05:42,361 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:05:42,362 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:05:42,363 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:05:42,365 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:05:42,365 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:05:42,366 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:05:42,368 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:05:42,368 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:05:42,368 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:05:42,369 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:05:42,370 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:05:42,371 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:05:42,371 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:05:42,372 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:05:42,372 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:05:42,373 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:05:42,373 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:05:42,373 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:05:42,374 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:05:42,375 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:05:42,375 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c6ca3cbb-694d-4fa7-814b-783020c27355/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 12:05:42,385 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:05:42,385 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:05:42,386 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:05:42,386 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:05:42,387 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:05:42,387 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:05:42,387 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:05:42,387 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:05:42,387 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:05:42,387 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:05:42,387 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:05:42,388 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:05:42,388 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:05:42,388 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:05:42,388 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:05:42,388 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:05:42,388 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:05:42,388 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:05:42,388 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:05:42,389 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:05:42,389 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:05:42,389 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:05:42,389 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:05:42,389 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:05:42,389 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:05:42,389 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 12:05:42,390 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:05:42,390 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:05:42,390 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_c6ca3cbb-694d-4fa7-814b-783020c27355/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 -> d2adcf2b9b8b03691138caa579df024fc7b4a734 [2018-11-10 12:05:42,411 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:05:42,419 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:05:42,421 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:05:42,422 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:05:42,422 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:05:42,422 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c6ca3cbb-694d-4fa7-814b-783020c27355/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product17_true-unreach-call_false-termination.cil.c [2018-11-10 12:05:42,458 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c6ca3cbb-694d-4fa7-814b-783020c27355/bin-2019/ukojak/data/c097a2739/1e7bff69231e418298b4671a19161ac7/FLAG8be85cd1c [2018-11-10 12:05:42,881 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:05:42,882 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c6ca3cbb-694d-4fa7-814b-783020c27355/sv-benchmarks/c/product-lines/minepump_spec1_product17_true-unreach-call_false-termination.cil.c [2018-11-10 12:05:42,888 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c6ca3cbb-694d-4fa7-814b-783020c27355/bin-2019/ukojak/data/c097a2739/1e7bff69231e418298b4671a19161ac7/FLAG8be85cd1c [2018-11-10 12:05:42,897 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c6ca3cbb-694d-4fa7-814b-783020c27355/bin-2019/ukojak/data/c097a2739/1e7bff69231e418298b4671a19161ac7 [2018-11-10 12:05:42,899 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:05:42,899 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:05:42,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:05:42,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:05:42,902 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:05:42,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:05:42" (1/1) ... [2018-11-10 12:05:42,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70607c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:42, skipping insertion in model container [2018-11-10 12:05:42,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:05:42" (1/1) ... [2018-11-10 12:05:42,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:05:42,936 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:05:43,107 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:05:43,115 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:05:43,162 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:05:43,178 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:05:43,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:43 WrapperNode [2018-11-10 12:05:43,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:05:43,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:05:43,179 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:05:43,179 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:05:43,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:43" (1/1) ... [2018-11-10 12:05:43,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:43" (1/1) ... [2018-11-10 12:05:43,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:05:43,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:05:43,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:05:43,257 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:05:43,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:43" (1/1) ... [2018-11-10 12:05:43,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:43" (1/1) ... [2018-11-10 12:05:43,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:43" (1/1) ... [2018-11-10 12:05:43,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:43" (1/1) ... [2018-11-10 12:05:43,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:43" (1/1) ... [2018-11-10 12:05:43,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:43" (1/1) ... [2018-11-10 12:05:43,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:43" (1/1) ... [2018-11-10 12:05:43,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:05:43,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:05:43,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:05:43,275 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:05:43,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:05:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c6ca3cbb-694d-4fa7-814b-783020c27355/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 12:05:43,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 12:05:43,312 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 12:05:43,312 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 12:05:43,313 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 12:05:43,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 12:05:43,313 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 12:05:43,313 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 12:05:43,313 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 12:05:43,313 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 12:05:43,313 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 12:05:43,313 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 12:05:43,314 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 12:05:43,314 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 12:05:43,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:05:43,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:05:44,268 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:05:44,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:05:44 BoogieIcfgContainer [2018-11-10 12:05:44,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:05:44,269 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:05:44,269 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:05:44,275 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:05:44,275 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:05:44" (1/1) ... [2018-11-10 12:05:44,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:05:44,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:44,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2018-11-10 12:05:44,311 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2018-11-10 12:05:44,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 12:05:44,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:44,445 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 12:05:44,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:44,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 63 transitions. [2018-11-10 12:05:44,455 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2018-11-10 12:05:44,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 12:05:44,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:44,532 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 12:05:44,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:44,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2018-11-10 12:05:44,565 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2018-11-10 12:05:44,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 12:05:44,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:44,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:44,622 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 12:05:44,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:44,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 63 states and 86 transitions. [2018-11-10 12:05:44,748 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2018-11-10 12:05:44,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 12:05:44,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:44,811 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 12:05:44,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:44,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 74 states and 108 transitions. [2018-11-10 12:05:44,973 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2018-11-10 12:05:44,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 12:05:44,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:44,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:45,012 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 12:05:45,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:45,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 75 states and 109 transitions. [2018-11-10 12:05:45,033 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2018-11-10 12:05:45,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 12:05:45,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:45,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:45,124 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 12:05:45,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:45,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 92 states and 142 transitions. [2018-11-10 12:05:45,441 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 142 transitions. [2018-11-10 12:05:45,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 12:05:45,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:45,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:45,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:05:45,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:45,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 93 states and 143 transitions. [2018-11-10 12:05:45,505 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 143 transitions. [2018-11-10 12:05:45,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 12:05:45,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:45,539 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 12:05:45,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:45,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 94 states and 144 transitions. [2018-11-10 12:05:45,556 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 144 transitions. [2018-11-10 12:05:45,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 12:05:45,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:45,586 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 12:05:45,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:45,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 95 states and 145 transitions. [2018-11-10 12:05:45,599 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 145 transitions. [2018-11-10 12:05:45,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 12:05:45,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:45,645 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 12:05:45,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:45,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 96 states and 146 transitions. [2018-11-10 12:05:45,662 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 146 transitions. [2018-11-10 12:05:45,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 12:05:45,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:45,730 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 12:05:46,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:46,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 102 states and 154 transitions. [2018-11-10 12:05:46,044 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 154 transitions. [2018-11-10 12:05:46,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 12:05:46,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:46,095 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:05:46,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:46,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 109 states and 167 transitions. [2018-11-10 12:05:46,259 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 167 transitions. [2018-11-10 12:05:46,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 12:05:46,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:46,280 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:05:46,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:46,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 107 states and 163 transitions. [2018-11-10 12:05:46,292 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 163 transitions. [2018-11-10 12:05:46,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 12:05:46,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:46,461 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 12:05:46,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:46,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 110 states and 175 transitions. [2018-11-10 12:05:46,852 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 175 transitions. [2018-11-10 12:05:46,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 12:05:46,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:46,878 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:05:47,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:47,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 112 states and 179 transitions. [2018-11-10 12:05:47,068 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 179 transitions. [2018-11-10 12:05:47,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 12:05:47,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:47,157 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:05:47,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:47,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 129 states and 213 transitions. [2018-11-10 12:05:47,890 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 213 transitions. [2018-11-10 12:05:47,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 12:05:47,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:47,917 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:05:47,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:47,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 130 states and 214 transitions. [2018-11-10 12:05:47,945 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 214 transitions. [2018-11-10 12:05:47,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 12:05:47,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:47,969 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:05:47,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:47,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 131 states and 215 transitions. [2018-11-10 12:05:47,985 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 215 transitions. [2018-11-10 12:05:47,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 12:05:47,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:48,067 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 12:05:48,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:48,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 140 states and 236 transitions. [2018-11-10 12:05:48,789 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 236 transitions. [2018-11-10 12:05:48,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 12:05:48,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:48,821 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 12:05:49,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:49,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 143 states and 245 transitions. [2018-11-10 12:05:49,020 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 245 transitions. [2018-11-10 12:05:49,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 12:05:49,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:49,049 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 12:05:49,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:49,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 150 states and 267 transitions. [2018-11-10 12:05:49,264 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 267 transitions. [2018-11-10 12:05:49,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 12:05:49,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:49,286 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 12:05:49,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:49,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 151 states and 268 transitions. [2018-11-10 12:05:49,294 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 268 transitions. [2018-11-10 12:05:49,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 12:05:49,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:49,314 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 12:05:50,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:50,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 161 states and 295 transitions. [2018-11-10 12:05:50,230 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 295 transitions. [2018-11-10 12:05:50,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 12:05:50,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:50,254 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 12:05:50,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:50,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 162 states and 296 transitions. [2018-11-10 12:05:50,273 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 296 transitions. [2018-11-10 12:05:50,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 12:05:50,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:50,295 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 12:05:50,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:50,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 166 states and 303 transitions. [2018-11-10 12:05:50,550 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 303 transitions. [2018-11-10 12:05:50,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 12:05:50,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:50,631 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 12:05:51,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:51,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 169 states and 304 transitions. [2018-11-10 12:05:51,278 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 304 transitions. [2018-11-10 12:05:51,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-10 12:05:51,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:51,302 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 12:05:51,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:51,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 167 states and 300 transitions. [2018-11-10 12:05:51,337 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 300 transitions. [2018-11-10 12:05:51,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-10 12:05:51,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:51,396 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 12:05:52,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:52,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 173 states and 315 transitions. [2018-11-10 12:05:52,048 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 315 transitions. [2018-11-10 12:05:52,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-10 12:05:52,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:52,065 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 12:05:52,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:52,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 173 states and 314 transitions. [2018-11-10 12:05:52,171 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 314 transitions. [2018-11-10 12:05:52,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-10 12:05:52,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:52,199 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 12:05:52,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:52,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 174 states and 315 transitions. [2018-11-10 12:05:52,210 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 315 transitions. [2018-11-10 12:05:52,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-10 12:05:52,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:52,227 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 12:05:52,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:52,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 176 states and 318 transitions. [2018-11-10 12:05:52,240 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 318 transitions. [2018-11-10 12:05:52,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 12:05:52,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:52,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:52,256 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 12:05:52,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:52,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 166 states and 294 transitions. [2018-11-10 12:05:52,452 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 294 transitions. [2018-11-10 12:05:52,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-10 12:05:52,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:52,468 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 12:05:52,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:52,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 162 states and 282 transitions. [2018-11-10 12:05:52,579 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 282 transitions. [2018-11-10 12:05:52,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-10 12:05:52,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:52,600 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 12:05:52,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:52,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 163 states and 283 transitions. [2018-11-10 12:05:52,622 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 283 transitions. [2018-11-10 12:05:52,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 12:05:52,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:52,669 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 12:05:52,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:52,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 156 states and 270 transitions. [2018-11-10 12:05:52,712 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 270 transitions. [2018-11-10 12:05:52,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 12:05:52,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:52,733 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 12:05:52,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:52,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 152 states and 258 transitions. [2018-11-10 12:05:52,937 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 258 transitions. [2018-11-10 12:05:52,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 12:05:52,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:05:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:05:52,955 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 12:05:53,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:05:53,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 78 states and 105 transitions. [2018-11-10 12:05:53,150 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 105 transitions. [2018-11-10 12:05:53,150 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:05:53,150 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 38 iterations. [2018-11-10 12:05:53,157 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 12:05:53,386 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:05:53,388 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:05:53,388 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:05:53,388 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 12:05:53,391 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:05:53,391 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:05:53,391 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:05:53,391 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:05:53,392 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:05:53,392 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-11-10 12:05:53,392 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-11-10 12:05:53,393 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 12:05:53,393 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:05:53,393 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:05:53,393 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:05:53,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:05:53 ImpRootNode [2018-11-10 12:05:53,394 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 12:05:53,394 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:05:53,394 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:05:53,394 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:05:53,395 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:05:44" (3/4) ... [2018-11-10 12:05:53,397 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:05:53,400 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 12:05:53,400 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 12:05:53,400 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 12:05:53,401 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 12:05:53,401 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 12:05:53,401 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 12:05:53,405 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 62 nodes and edges [2018-11-10 12:05:53,406 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-11-10 12:05:53,407 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 12:05:53,426 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || systemActive == 0) || pumpRunning == \old(pumpRunning) [2018-11-10 12:05:53,426 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && !(systemActive == 0)) || !(0 == pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == methaneLevelCritical)) [2018-11-10 12:05:53,426 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == \old(pumpRunning)) && !(tmp == 0)) || tmp == methaneLevelCritical) || (!(0 == pumpRunning) && !(tmp == 0)) [2018-11-10 12:05:53,456 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c6ca3cbb-694d-4fa7-814b-783020c27355/bin-2019/ukojak/witness.graphml [2018-11-10 12:05:53,456 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:05:53,457 INFO L168 Benchmark]: Toolchain (without parser) took 10558.07 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 411.0 MB). Free memory was 953.8 MB in the beginning and 1.2 GB in the end (delta: -214.9 MB). Peak memory consumption was 196.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:05:53,458 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:05:53,458 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.74 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 929.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:05:53,458 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 929.6 MB in the beginning and 1.1 GB in the end (delta: -219.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:05:53,458 INFO L168 Benchmark]: Boogie Preprocessor took 17.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:05:53,459 INFO L168 Benchmark]: RCFGBuilder took 993.70 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: 105.8 MB). Peak memory consumption was 105.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:05:53,459 INFO L168 Benchmark]: CodeCheck took 9125.17 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 256.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -139.8 MB). Peak memory consumption was 116.6 MB. Max. memory is 11.5 GB. [2018-11-10 12:05:53,459 INFO L168 Benchmark]: Witness Printer took 62.52 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:05:53,460 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, 111 locations, 1 error locations. SAFE Result, 8.8s OverallTime, 38 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1769598448 SDtfs, -1239833450 SDslu, 1014103936 SDs, 0 SdLazy, -685830750 SolverSat, 2014254480 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16821 GetRequests, 16464 SyntacticMatches, 151 SemanticMatches, 206 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16705 ImplicationChecksByTransitivity, 6.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1763 NumberOfCodeBlocks, 1763 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 1726 ConstructedInterpolants, 0 QuantifiedInterpolants, 176927 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 37 InterpolantComputations, 24 PerfectInterpolantSequences, 814/861 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: 543]: 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: 543]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || systemActive == 0) || pumpRunning == \old(pumpRunning) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: ((!(pumpRunning == \old(pumpRunning)) && !(tmp == 0)) || tmp == methaneLevelCritical) || (!(0 == pumpRunning) && !(tmp == 0)) - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && !(systemActive == 0)) || !(0 == pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= systemActive - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 804]: 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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 278.74 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 929.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 929.6 MB in the beginning and 1.1 GB in the end (delta: -219.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 993.70 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: 105.8 MB). Peak memory consumption was 105.8 MB. Max. memory is 11.5 GB. * CodeCheck took 9125.17 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 256.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -139.8 MB). Peak memory consumption was 116.6 MB. Max. memory is 11.5 GB. * Witness Printer took 62.52 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...