./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product25_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_047bf60e-eb47-4d35-992b-e4d20e23834e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_047bf60e-eb47-4d35-992b-e4d20e23834e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_047bf60e-eb47-4d35-992b-e4d20e23834e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_047bf60e-eb47-4d35-992b-e4d20e23834e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product25_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_047bf60e-eb47-4d35-992b-e4d20e23834e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_047bf60e-eb47-4d35-992b-e4d20e23834e/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 920725b4778fe7902e2cc2a93ab39c30358d9d16 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 07:47:42,278 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:47:42,279 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:47:42,285 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:47:42,285 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:47:42,286 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:47:42,287 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:47:42,288 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:47:42,289 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:47:42,290 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:47:42,291 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:47:42,291 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:47:42,291 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:47:42,292 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:47:42,293 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:47:42,294 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:47:42,294 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:47:42,296 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:47:42,297 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:47:42,298 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:47:42,299 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:47:42,300 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:47:42,302 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:47:42,302 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:47:42,302 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:47:42,303 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:47:42,304 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:47:42,304 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:47:42,305 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:47:42,306 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:47:42,306 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:47:42,307 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:47:42,307 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:47:42,307 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:47:42,308 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:47:42,308 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:47:42,308 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_047bf60e-eb47-4d35-992b-e4d20e23834e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 07:47:42,319 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:47:42,320 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:47:42,320 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:47:42,320 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:47:42,321 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:47:42,321 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:47:42,321 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:47:42,321 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:47:42,321 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:47:42,322 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:47:42,322 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:47:42,322 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:47:42,322 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:47:42,322 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:47:42,322 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:47:42,322 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:47:42,322 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:47:42,323 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 07:47:42,323 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 07:47:42,323 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:47:42,323 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:47:42,323 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 07:47:42,323 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:47:42,324 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:47:42,324 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:47:42,324 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 07:47:42,324 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:47:42,324 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:47:42,324 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_047bf60e-eb47-4d35-992b-e4d20e23834e/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 -> 920725b4778fe7902e2cc2a93ab39c30358d9d16 [2018-11-10 07:47:42,348 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:47:42,356 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:47:42,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:47:42,358 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:47:42,359 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:47:42,359 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_047bf60e-eb47-4d35-992b-e4d20e23834e/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product25_true-unreach-call_false-termination.cil.c [2018-11-10 07:47:42,395 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_047bf60e-eb47-4d35-992b-e4d20e23834e/bin-2019/ukojak/data/29a42bc61/c5ad988578424bbea498b6419ff82d79/FLAG7295887bc [2018-11-10 07:47:42,814 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:47:42,815 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_047bf60e-eb47-4d35-992b-e4d20e23834e/sv-benchmarks/c/product-lines/minepump_spec1_product25_true-unreach-call_false-termination.cil.c [2018-11-10 07:47:42,822 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_047bf60e-eb47-4d35-992b-e4d20e23834e/bin-2019/ukojak/data/29a42bc61/c5ad988578424bbea498b6419ff82d79/FLAG7295887bc [2018-11-10 07:47:42,830 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_047bf60e-eb47-4d35-992b-e4d20e23834e/bin-2019/ukojak/data/29a42bc61/c5ad988578424bbea498b6419ff82d79 [2018-11-10 07:47:42,833 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:47:42,834 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:47:42,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:47:42,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:47:42,836 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:47:42,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:47:42" (1/1) ... [2018-11-10 07:47:42,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b52ac19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:47:42, skipping insertion in model container [2018-11-10 07:47:42,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:47:42" (1/1) ... [2018-11-10 07:47:42,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:47:42,878 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:47:43,048 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:47:43,056 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:47:43,103 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:47:43,121 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:47:43,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:47:43 WrapperNode [2018-11-10 07:47:43,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:47:43,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:47:43,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:47:43,122 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:47:43,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:47:43" (1/1) ... [2018-11-10 07:47:43,179 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:47:43" (1/1) ... [2018-11-10 07:47:43,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:47:43,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:47:43,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:47:43,199 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:47:43,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:47:43" (1/1) ... [2018-11-10 07:47:43,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:47:43" (1/1) ... [2018-11-10 07:47:43,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:47:43" (1/1) ... [2018-11-10 07:47:43,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:47:43" (1/1) ... [2018-11-10 07:47:43,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:47:43" (1/1) ... [2018-11-10 07:47:43,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:47:43" (1/1) ... [2018-11-10 07:47:43,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:47:43" (1/1) ... [2018-11-10 07:47:43,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:47:43,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:47:43,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:47:43,220 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:47:43,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:47:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_047bf60e-eb47-4d35-992b-e4d20e23834e/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 07:47:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 07:47:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 07:47:43,259 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 07:47:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 07:47:43,259 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 07:47:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 07:47:43,259 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 07:47:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 07:47:43,259 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 07:47:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 07:47:43,260 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 07:47:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 07:47:43,260 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 07:47:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:47:43,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:47:44,090 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:47:44,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:47:44 BoogieIcfgContainer [2018-11-10 07:47:44,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:47:44,091 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 07:47:44,091 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 07:47:44,100 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 07:47:44,100 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:47:44" (1/1) ... [2018-11-10 07:47:44,106 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:47:44,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:44,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2018-11-10 07:47:44,130 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2018-11-10 07:47:44,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 07:47:44,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:44,273 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 07:47:44,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:44,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 63 transitions. [2018-11-10 07:47:44,284 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2018-11-10 07:47:44,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 07:47:44,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:44,364 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 07:47:44,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:44,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2018-11-10 07:47:44,418 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2018-11-10 07:47:44,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 07:47:44,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:44,479 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 07:47:44,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:44,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 63 states and 86 transitions. [2018-11-10 07:47:44,641 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2018-11-10 07:47:44,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 07:47:44,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:44,684 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 07:47:44,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:44,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 87 transitions. [2018-11-10 07:47:44,695 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2018-11-10 07:47:44,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 07:47:44,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:44,732 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 07:47:44,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:44,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 65 states and 88 transitions. [2018-11-10 07:47:44,740 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2018-11-10 07:47:44,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 07:47:44,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:44,805 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 07:47:45,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:45,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 76 states and 110 transitions. [2018-11-10 07:47:45,029 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 110 transitions. [2018-11-10 07:47:45,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 07:47:45,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:45,065 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 07:47:45,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:45,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 77 states and 111 transitions. [2018-11-10 07:47:45,083 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 111 transitions. [2018-11-10 07:47:45,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 07:47:45,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:45,114 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 07:47:45,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:45,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 78 states and 112 transitions. [2018-11-10 07:47:45,124 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 112 transitions. [2018-11-10 07:47:45,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 07:47:45,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:45,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:45,269 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 07:47:45,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:45,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 95 states and 145 transitions. [2018-11-10 07:47:45,684 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 145 transitions. [2018-11-10 07:47:45,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 07:47:45,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:45,708 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 07:47:45,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:45,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 96 states and 146 transitions. [2018-11-10 07:47:45,735 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 146 transitions. [2018-11-10 07:47:45,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 07:47:45,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:45,803 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 07:47:46,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:46,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 102 states and 154 transitions. [2018-11-10 07:47:46,005 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 154 transitions. [2018-11-10 07:47:46,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 07:47:46,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:46,085 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 07:47:46,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:46,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 109 states and 167 transitions. [2018-11-10 07:47:46,269 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 167 transitions. [2018-11-10 07:47:46,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 07:47:46,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:46,294 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 07:47:46,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:46,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 107 states and 163 transitions. [2018-11-10 07:47:46,313 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 163 transitions. [2018-11-10 07:47:46,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 07:47:46,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:46,542 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 07:47:47,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:47,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 115 states and 183 transitions. [2018-11-10 07:47:47,277 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 183 transitions. [2018-11-10 07:47:47,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 07:47:47,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:47,302 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 07:47:47,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:47,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 125 states and 202 transitions. [2018-11-10 07:47:47,497 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 202 transitions. [2018-11-10 07:47:47,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 07:47:47,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:47,515 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 07:47:47,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:47,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 126 states and 203 transitions. [2018-11-10 07:47:47,539 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 203 transitions. [2018-11-10 07:47:47,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 07:47:47,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:47,556 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 07:47:47,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:47,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 128 states and 207 transitions. [2018-11-10 07:47:47,696 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 207 transitions. [2018-11-10 07:47:47,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 07:47:47,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:47,713 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 07:47:47,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:47,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 129 states and 208 transitions. [2018-11-10 07:47:47,726 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 208 transitions. [2018-11-10 07:47:47,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 07:47:47,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:47,795 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 07:47:48,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:48,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 138 states and 229 transitions. [2018-11-10 07:47:48,456 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 229 transitions. [2018-11-10 07:47:48,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 07:47:48,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:48,475 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 07:47:48,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:48,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 141 states and 238 transitions. [2018-11-10 07:47:48,634 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 238 transitions. [2018-11-10 07:47:48,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 07:47:48,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:48,659 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 07:47:48,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:48,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 148 states and 260 transitions. [2018-11-10 07:47:48,846 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 260 transitions. [2018-11-10 07:47:48,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 07:47:48,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:48,868 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 07:47:48,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:48,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 149 states and 261 transitions. [2018-11-10 07:47:48,883 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 261 transitions. [2018-11-10 07:47:48,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 07:47:48,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:48,901 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 07:47:49,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:49,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 159 states and 288 transitions. [2018-11-10 07:47:49,714 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 288 transitions. [2018-11-10 07:47:49,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 07:47:49,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:49,734 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 07:47:49,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:49,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 160 states and 289 transitions. [2018-11-10 07:47:49,757 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 289 transitions. [2018-11-10 07:47:49,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 07:47:49,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:49,782 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 07:47:50,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:50,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 164 states and 296 transitions. [2018-11-10 07:47:50,085 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 296 transitions. [2018-11-10 07:47:50,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 07:47:50,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:50,249 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 07:47:51,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:51,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 169 states and 305 transitions. [2018-11-10 07:47:51,094 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 305 transitions. [2018-11-10 07:47:51,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 07:47:51,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:51,120 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 07:47:51,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:51,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 159 states and 281 transitions. [2018-11-10 07:47:51,320 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 281 transitions. [2018-11-10 07:47:51,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-10 07:47:51,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:51,343 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 07:47:51,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:51,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 157 states and 277 transitions. [2018-11-10 07:47:51,398 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 277 transitions. [2018-11-10 07:47:51,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-10 07:47:51,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:51,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:51,558 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 19 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 07:47:51,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:51,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 162 states and 284 transitions. [2018-11-10 07:47:51,961 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 284 transitions. [2018-11-10 07:47:51,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-10 07:47:51,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:51,987 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 07:47:52,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:52,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 164 states and 287 transitions. [2018-11-10 07:47:52,015 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 287 transitions. [2018-11-10 07:47:52,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-10 07:47:52,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:52,038 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 07:47:52,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:52,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 160 states and 275 transitions. [2018-11-10 07:47:52,071 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 275 transitions. [2018-11-10 07:47:52,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-10 07:47:52,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:52,104 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 07:47:52,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:52,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 161 states and 276 transitions. [2018-11-10 07:47:52,130 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 276 transitions. [2018-11-10 07:47:52,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 07:47:52,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:52,146 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 07:47:52,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:52,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 154 states and 263 transitions. [2018-11-10 07:47:52,163 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 263 transitions. [2018-11-10 07:47:52,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-10 07:47:52,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:52,249 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 34 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 07:47:53,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:53,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 169 states and 292 transitions. [2018-11-10 07:47:53,372 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 292 transitions. [2018-11-10 07:47:53,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-10 07:47:53,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:53,451 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 34 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 07:47:53,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:53,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 170 states and 293 transitions. [2018-11-10 07:47:53,467 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 293 transitions. [2018-11-10 07:47:53,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-10 07:47:53,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:47:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:47:53,497 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-10 07:47:53,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:47:53,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 84 states and 114 transitions. [2018-11-10 07:47:53,865 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 114 transitions. [2018-11-10 07:47:53,865 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 07:47:53,866 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2018-11-10 07:47:53,871 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 07:47:54,057 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:47:54,059 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:47:54,059 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:47:54,059 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 07:47:54,062 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-11-10 07:47:54,063 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:47:54,063 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:47:54,063 INFO L582 CodeCheckObserver]: Invariant with dag size 12 [2018-11-10 07:47:54,063 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:47:54,064 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:47:54,064 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:47:54,064 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 07:47:54,064 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:47:54,064 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:47:54,064 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:47:54,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 07:47:54 ImpRootNode [2018-11-10 07:47:54,065 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 07:47:54,065 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:47:54,065 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:47:54,065 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:47:54,065 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:47:44" (3/4) ... [2018-11-10 07:47:54,070 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 07:47:54,074 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 07:47:54,075 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 07:47:54,075 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 07:47:54,075 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 07:47:54,075 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 07:47:54,075 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 07:47:54,080 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2018-11-10 07:47:54,080 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-11-10 07:47:54,081 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-10 07:47:54,100 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive [2018-11-10 07:47:54,101 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning) [2018-11-10 07:47:54,101 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == \old(pumpRunning)) || tmp == 0) || tmp == methaneLevelCritical) || !(0 == pumpRunning) [2018-11-10 07:47:54,133 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_047bf60e-eb47-4d35-992b-e4d20e23834e/bin-2019/ukojak/witness.graphml [2018-11-10 07:47:54,133 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:47:54,134 INFO L168 Benchmark]: Toolchain (without parser) took 11300.86 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 455.6 MB). Free memory was 960.2 MB in the beginning and 1.3 GB in the end (delta: -332.7 MB). Peak memory consumption was 122.9 MB. Max. memory is 11.5 GB. [2018-11-10 07:47:54,135 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:47:54,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.45 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 936.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 07:47:54,135 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 936.0 MB in the beginning and 1.1 GB in the end (delta: -208.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-10 07:47:54,135 INFO L168 Benchmark]: Boogie Preprocessor took 20.31 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 07:47:54,135 INFO L168 Benchmark]: RCFGBuilder took 871.35 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: 98.7 MB). Peak memory consumption was 98.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:47:54,136 INFO L168 Benchmark]: CodeCheck took 9973.76 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 305.7 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -262.8 MB). Peak memory consumption was 42.8 MB. Max. memory is 11.5 GB. [2018-11-10 07:47:54,136 INFO L168 Benchmark]: Witness Printer took 67.96 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. [2018-11-10 07:47:54,137 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, 112 locations, 1 error locations. SAFE Result, 9.7s OverallTime, 37 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -329046936 SDtfs, -1356010022 SDslu, -256464064 SDs, 0 SdLazy, -187548190 SolverSat, 2085095760 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16356 GetRequests, 15967 SyntacticMatches, 159 SemanticMatches, 230 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22358 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1713 NumberOfCodeBlocks, 1713 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 1677 ConstructedInterpolants, 0 QuantifiedInterpolants, 191631 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 23 PerfectInterpolantSequences, 755/838 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: 206]: 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: 462]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning) - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: ((!(pumpRunning == \old(pumpRunning)) || tmp == 0) || tmp == methaneLevelCritical) || !(0 == pumpRunning) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 386]: 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 287.45 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 936.0 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 76.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 936.0 MB in the beginning and 1.1 GB in the end (delta: -208.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.31 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 871.35 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: 98.7 MB). Peak memory consumption was 98.7 MB. Max. memory is 11.5 GB. * CodeCheck took 9973.76 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 305.7 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -262.8 MB). Peak memory consumption was 42.8 MB. Max. memory is 11.5 GB. * Witness Printer took 67.96 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...