./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_332a4b90-f22e-4e7d-9b66-ee7ed483adbe/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_332a4b90-f22e-4e7d-9b66-ee7ed483adbe/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_332a4b90-f22e-4e7d-9b66-ee7ed483adbe/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_332a4b90-f22e-4e7d-9b66-ee7ed483adbe/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_332a4b90-f22e-4e7d-9b66-ee7ed483adbe/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_332a4b90-f22e-4e7d-9b66-ee7ed483adbe/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 9d2c61ca29a3ae6fa3ec69bc1dbfd9791099f9d4 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 14:04:52,471 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 14:04:52,473 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 14:04:52,481 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 14:04:52,481 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 14:04:52,482 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 14:04:52,483 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 14:04:52,484 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 14:04:52,485 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 14:04:52,486 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 14:04:52,486 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 14:04:52,486 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 14:04:52,487 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 14:04:52,488 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 14:04:52,489 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 14:04:52,489 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 14:04:52,490 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 14:04:52,491 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 14:04:52,492 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 14:04:52,493 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 14:04:52,494 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 14:04:52,495 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 14:04:52,496 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 14:04:52,497 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 14:04:52,497 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 14:04:52,497 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 14:04:52,498 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 14:04:52,499 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 14:04:52,499 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 14:04:52,500 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 14:04:52,500 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 14:04:52,500 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 14:04:52,501 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 14:04:52,501 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 14:04:52,501 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 14:04:52,502 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 14:04:52,502 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_332a4b90-f22e-4e7d-9b66-ee7ed483adbe/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 14:04:52,512 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 14:04:52,512 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 14:04:52,512 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 14:04:52,512 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 14:04:52,513 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 14:04:52,513 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 14:04:52,513 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 14:04:52,513 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 14:04:52,513 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 14:04:52,513 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 14:04:52,513 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 14:04:52,513 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 14:04:52,513 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 14:04:52,513 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 14:04:52,513 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 14:04:52,513 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 14:04:52,514 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 14:04:52,514 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 14:04:52,514 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 14:04:52,514 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 14:04:52,514 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 14:04:52,514 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 14:04:52,514 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 14:04:52,514 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 14:04:52,514 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 14:04:52,514 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 14:04:52,514 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 14:04:52,514 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 14:04:52,514 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 14:04:52,515 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_332a4b90-f22e-4e7d-9b66-ee7ed483adbe/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 -> 9d2c61ca29a3ae6fa3ec69bc1dbfd9791099f9d4 [2018-12-08 14:04:52,531 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 14:04:52,538 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 14:04:52,540 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 14:04:52,541 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 14:04:52,541 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 14:04:52,541 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_332a4b90-f22e-4e7d-9b66-ee7ed483adbe/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c [2018-12-08 14:04:52,576 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_332a4b90-f22e-4e7d-9b66-ee7ed483adbe/bin-2019/ukojak/data/0f3ab982c/a0ed2c28049c47aaac53141bf04f4570/FLAG4479e3aa6 [2018-12-08 14:04:53,035 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 14:04:53,035 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_332a4b90-f22e-4e7d-9b66-ee7ed483adbe/sv-benchmarks/c/product-lines/minepump_spec2_product32_true-unreach-call_false-termination.cil.c [2018-12-08 14:04:53,041 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_332a4b90-f22e-4e7d-9b66-ee7ed483adbe/bin-2019/ukojak/data/0f3ab982c/a0ed2c28049c47aaac53141bf04f4570/FLAG4479e3aa6 [2018-12-08 14:04:53,049 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_332a4b90-f22e-4e7d-9b66-ee7ed483adbe/bin-2019/ukojak/data/0f3ab982c/a0ed2c28049c47aaac53141bf04f4570 [2018-12-08 14:04:53,051 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 14:04:53,052 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 14:04:53,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 14:04:53,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 14:04:53,054 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 14:04:53,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:04:53" (1/1) ... [2018-12-08 14:04:53,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:53, skipping insertion in model container [2018-12-08 14:04:53,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:04:53" (1/1) ... [2018-12-08 14:04:53,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 14:04:53,081 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 14:04:53,228 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:04:53,270 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 14:04:53,325 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:04:53,341 INFO L195 MainTranslator]: Completed translation [2018-12-08 14:04:53,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:53 WrapperNode [2018-12-08 14:04:53,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 14:04:53,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 14:04:53,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 14:04:53,341 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 14:04:53,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:53" (1/1) ... [2018-12-08 14:04:53,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:53" (1/1) ... [2018-12-08 14:04:53,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 14:04:53,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 14:04:53,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 14:04:53,373 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 14:04:53,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:53" (1/1) ... [2018-12-08 14:04:53,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:53" (1/1) ... [2018-12-08 14:04:53,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:53" (1/1) ... [2018-12-08 14:04:53,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:53" (1/1) ... [2018-12-08 14:04:53,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:53" (1/1) ... [2018-12-08 14:04:53,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:53" (1/1) ... [2018-12-08 14:04:53,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:53" (1/1) ... [2018-12-08 14:04:53,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 14:04:53,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 14:04:53,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 14:04:53,392 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 14:04:53,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:04:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_332a4b90-f22e-4e7d-9b66-ee7ed483adbe/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 14:04:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 14:04:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 14:04:53,430 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 14:04:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 14:04:53,430 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 14:04:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 14:04:53,431 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 14:04:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 14:04:53,431 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 14:04:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 14:04:53,431 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 14:04:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 14:04:53,431 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 14:04:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 14:04:53,432 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 14:04:53,432 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 14:04:53,432 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 14:04:53,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 14:04:53,432 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 14:04:53,432 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 14:04:53,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 14:04:53,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 14:04:53,848 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 14:04:53,849 INFO L280 CfgBuilder]: Removed 38 assue(true) statements. [2018-12-08 14:04:53,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:04:53 BoogieIcfgContainer [2018-12-08 14:04:53,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 14:04:53,849 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 14:04:53,849 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 14:04:53,858 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 14:04:53,858 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:04:53" (1/1) ... [2018-12-08 14:04:53,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:04:53,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:53,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 69 states and 93 transitions. [2018-12-08 14:04:53,899 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2018-12-08 14:04:53,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 14:04:53,902 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:54,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:54,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:54,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 69 states and 91 transitions. [2018-12-08 14:04:54,045 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2018-12-08 14:04:54,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 14:04:54,046 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:54,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:54,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:54,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 71 states and 94 transitions. [2018-12-08 14:04:54,108 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 94 transitions. [2018-12-08 14:04:54,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 14:04:54,109 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:54,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:54,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:54,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 74 states and 102 transitions. [2018-12-08 14:04:54,184 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2018-12-08 14:04:54,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 14:04:54,184 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:54,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:54,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:54,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 82 states and 116 transitions. [2018-12-08 14:04:54,258 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 116 transitions. [2018-12-08 14:04:54,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 14:04:54,259 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:54,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:54,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:54,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 83 states and 117 transitions. [2018-12-08 14:04:54,299 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2018-12-08 14:04:54,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 14:04:54,300 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:54,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:54,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:54,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 84 states and 118 transitions. [2018-12-08 14:04:54,337 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2018-12-08 14:04:54,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 14:04:54,338 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:54,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:54,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:54,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 101 states and 155 transitions. [2018-12-08 14:04:54,675 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 155 transitions. [2018-12-08 14:04:54,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 14:04:54,677 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:54,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:54,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:54,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 102 states and 156 transitions. [2018-12-08 14:04:54,717 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 156 transitions. [2018-12-08 14:04:54,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 14:04:54,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:54,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:55,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:55,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 122 states and 200 transitions. [2018-12-08 14:04:55,333 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 200 transitions. [2018-12-08 14:04:55,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-08 14:04:55,334 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:55,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:55,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:55,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 125 states and 207 transitions. [2018-12-08 14:04:55,463 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 207 transitions. [2018-12-08 14:04:55,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 14:04:55,464 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:55,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:55,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:55,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 130 states and 217 transitions. [2018-12-08 14:04:55,511 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 217 transitions. [2018-12-08 14:04:55,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 14:04:55,512 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:55,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:55,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:55,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 135 states and 228 transitions. [2018-12-08 14:04:55,554 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 228 transitions. [2018-12-08 14:04:55,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 14:04:55,555 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:55,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:55,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:55,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 144 states and 247 transitions. [2018-12-08 14:04:55,904 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 247 transitions. [2018-12-08 14:04:55,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 14:04:55,905 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:55,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:55,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:55,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 145 states and 250 transitions. [2018-12-08 14:04:55,925 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 250 transitions. [2018-12-08 14:04:55,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 14:04:55,926 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:55,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:55,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:55,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 146 states and 251 transitions. [2018-12-08 14:04:55,992 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 251 transitions. [2018-12-08 14:04:55,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 14:04:55,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:56,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:04:56,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:56,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 151 states and 261 transitions. [2018-12-08 14:04:56,256 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 261 transitions. [2018-12-08 14:04:56,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 14:04:56,257 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:56,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:56,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 14:04:56,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:56,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 154 states and 268 transitions. [2018-12-08 14:04:56,380 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 268 transitions. [2018-12-08 14:04:56,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-08 14:04:56,381 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:56,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 14:04:56,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:56,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 158 states and 279 transitions. [2018-12-08 14:04:56,465 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 279 transitions. [2018-12-08 14:04:56,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 14:04:56,465 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:56,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 14:04:56,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:56,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 162 states and 288 transitions. [2018-12-08 14:04:56,549 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 288 transitions. [2018-12-08 14:04:56,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 14:04:56,550 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:56,592 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 14:04:57,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:57,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 172 states and 317 transitions. [2018-12-08 14:04:57,112 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 317 transitions. [2018-12-08 14:04:57,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 14:04:57,113 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:57,129 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 14:04:57,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:57,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 170 states and 313 transitions. [2018-12-08 14:04:57,151 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 313 transitions. [2018-12-08 14:04:57,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 14:04:57,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:57,345 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 14:04:57,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:57,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 173 states and 321 transitions. [2018-12-08 14:04:57,791 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 321 transitions. [2018-12-08 14:04:57,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 14:04:57,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:57,803 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 14:04:58,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:58,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 179 states and 334 transitions. [2018-12-08 14:04:58,261 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 334 transitions. [2018-12-08 14:04:58,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 14:04:58,262 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:58,273 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 14:04:58,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:58,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 180 states and 336 transitions. [2018-12-08 14:04:58,296 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 336 transitions. [2018-12-08 14:04:58,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 14:04:58,297 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:58,313 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 14:04:58,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:58,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 188 states and 348 transitions. [2018-12-08 14:04:58,454 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 348 transitions. [2018-12-08 14:04:58,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 14:04:58,455 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:58,468 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 14:04:58,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:58,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 189 states and 350 transitions. [2018-12-08 14:04:58,492 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 350 transitions. [2018-12-08 14:04:58,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 14:04:58,492 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:58,507 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 14:04:58,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:58,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 191 states and 351 transitions. [2018-12-08 14:04:58,644 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 351 transitions. [2018-12-08 14:04:58,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 14:04:58,645 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:58,657 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 14:04:58,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:58,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 192 states and 352 transitions. [2018-12-08 14:04:58,665 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 352 transitions. [2018-12-08 14:04:58,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 14:04:58,665 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:58,677 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 14:04:59,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:59,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 203 states and 375 transitions. [2018-12-08 14:04:59,154 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 375 transitions. [2018-12-08 14:04:59,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 14:04:59,154 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:59,166 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 14:04:59,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:59,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 205 states and 376 transitions. [2018-12-08 14:04:59,284 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 376 transitions. [2018-12-08 14:04:59,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 14:04:59,285 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:59,297 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 14:04:59,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:59,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 212 states and 405 transitions. [2018-12-08 14:04:59,498 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 405 transitions. [2018-12-08 14:04:59,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 14:04:59,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:59,511 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 14:04:59,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:04:59,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 214 states and 406 transitions. [2018-12-08 14:04:59,664 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 406 transitions. [2018-12-08 14:04:59,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-08 14:04:59,665 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:04:59,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:04:59,859 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 14:05:01,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:01,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 224 states and 436 transitions. [2018-12-08 14:05:01,514 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 436 transitions. [2018-12-08 14:05:01,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-08 14:05:01,515 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:01,682 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 14:05:03,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:03,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 234 states and 468 transitions. [2018-12-08 14:05:03,117 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 468 transitions. [2018-12-08 14:05:03,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 14:05:03,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:03,134 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 14:05:03,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:03,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 235 states and 469 transitions. [2018-12-08 14:05:03,146 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 469 transitions. [2018-12-08 14:05:03,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-08 14:05:03,146 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:03,263 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 14:05:03,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:03,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 241 states and 483 transitions. [2018-12-08 14:05:03,597 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 483 transitions. [2018-12-08 14:05:03,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-08 14:05:03,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:03,708 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 14:05:03,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:03,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 243 states and 486 transitions. [2018-12-08 14:05:03,886 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 486 transitions. [2018-12-08 14:05:03,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-08 14:05:03,886 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:03,904 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 14:05:03,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:03,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 244 states and 487 transitions. [2018-12-08 14:05:03,918 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 487 transitions. [2018-12-08 14:05:03,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 14:05:03,919 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:03,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:03,936 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 14:05:03,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:03,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 247 states and 492 transitions. [2018-12-08 14:05:03,948 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 492 transitions. [2018-12-08 14:05:03,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-08 14:05:03,949 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:03,991 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 14:05:05,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:05,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 266 states and 528 transitions. [2018-12-08 14:05:05,635 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 528 transitions. [2018-12-08 14:05:05,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-08 14:05:05,636 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:05,652 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 14:05:05,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:05,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 268 states and 529 transitions. [2018-12-08 14:05:05,814 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 529 transitions. [2018-12-08 14:05:05,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 14:05:05,815 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:05,915 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 14:05:05,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:05,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 269 states and 530 transitions. [2018-12-08 14:05:05,932 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 530 transitions. [2018-12-08 14:05:05,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 14:05:05,933 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:06,030 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 14:05:06,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:06,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 273 states and 538 transitions. [2018-12-08 14:05:06,427 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 538 transitions. [2018-12-08 14:05:06,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 14:05:06,428 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:06,530 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 14:05:07,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:07,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 281 states and 575 transitions. [2018-12-08 14:05:07,209 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 575 transitions. [2018-12-08 14:05:07,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 14:05:07,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:07,220 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 14:05:07,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:07,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 282 states and 576 transitions. [2018-12-08 14:05:07,230 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 576 transitions. [2018-12-08 14:05:07,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 14:05:07,231 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:07,335 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 14:05:07,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:07,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 284 states and 584 transitions. [2018-12-08 14:05:07,590 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 584 transitions. [2018-12-08 14:05:07,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 14:05:07,590 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:07,690 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 14:05:07,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:07,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 287 states and 589 transitions. [2018-12-08 14:05:07,703 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 589 transitions. [2018-12-08 14:05:07,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-08 14:05:07,703 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:07,891 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 14:05:08,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:08,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 291 states and 608 transitions. [2018-12-08 14:05:08,432 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 608 transitions. [2018-12-08 14:05:08,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 14:05:08,433 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:08,463 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 14:05:08,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:08,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 292 states and 609 transitions. [2018-12-08 14:05:08,473 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 609 transitions. [2018-12-08 14:05:08,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-08 14:05:08,474 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:08,657 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 14:05:09,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:09,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 296 states and 618 transitions. [2018-12-08 14:05:09,344 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 618 transitions. [2018-12-08 14:05:09,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-08 14:05:09,345 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:09,391 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 14:05:09,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:09,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 298 states and 630 transitions. [2018-12-08 14:05:09,533 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 630 transitions. [2018-12-08 14:05:09,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-08 14:05:09,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:09,542 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 14:05:10,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:10,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 306 states and 648 transitions. [2018-12-08 14:05:10,142 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 648 transitions. [2018-12-08 14:05:10,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 14:05:10,142 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:10,151 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 14:05:10,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:10,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 312 states and 659 transitions. [2018-12-08 14:05:10,733 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 659 transitions. [2018-12-08 14:05:10,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-08 14:05:10,734 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:10,827 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 14:05:10,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:10,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 313 states and 660 transitions. [2018-12-08 14:05:10,840 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 660 transitions. [2018-12-08 14:05:10,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-08 14:05:10,840 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:10,931 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 14:05:10,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:10,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 314 states and 661 transitions. [2018-12-08 14:05:10,943 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 661 transitions. [2018-12-08 14:05:10,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-08 14:05:10,944 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:11,053 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 14:05:12,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:12,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 322 states and 695 transitions. [2018-12-08 14:05:12,237 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 695 transitions. [2018-12-08 14:05:12,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 14:05:12,237 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:12,308 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 14:05:13,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:13,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 326 states and 705 transitions. [2018-12-08 14:05:13,111 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 705 transitions. [2018-12-08 14:05:13,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 14:05:13,112 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:13,197 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 14:05:13,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:13,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 324 states and 682 transitions. [2018-12-08 14:05:13,208 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 682 transitions. [2018-12-08 14:05:13,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 14:05:13,209 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:13,303 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 14:05:13,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:13,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 326 states and 694 transitions. [2018-12-08 14:05:13,865 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 694 transitions. [2018-12-08 14:05:13,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 14:05:13,865 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:13,874 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 14:05:14,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:14,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 331 states and 701 transitions. [2018-12-08 14:05:14,171 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 701 transitions. [2018-12-08 14:05:14,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 14:05:14,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:14,181 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 14:05:14,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:14,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 333 states and 702 transitions. [2018-12-08 14:05:14,411 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 702 transitions. [2018-12-08 14:05:14,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-08 14:05:14,412 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:14,421 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 14:05:14,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:14,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 338 states and 711 transitions. [2018-12-08 14:05:14,753 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 711 transitions. [2018-12-08 14:05:14,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-08 14:05:14,754 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:14,764 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 14:05:15,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:15,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 339 states and 714 transitions. [2018-12-08 14:05:15,006 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 714 transitions. [2018-12-08 14:05:15,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-08 14:05:15,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:15,017 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 14:05:15,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:15,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 340 states and 717 transitions. [2018-12-08 14:05:15,282 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 717 transitions. [2018-12-08 14:05:15,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-08 14:05:15,282 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:15,293 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 14:05:16,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:16,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 344 states and 726 transitions. [2018-12-08 14:05:16,172 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 726 transitions. [2018-12-08 14:05:16,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 14:05:16,174 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:16,190 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 14:05:16,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:16,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 345 states and 727 transitions. [2018-12-08 14:05:16,243 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 727 transitions. [2018-12-08 14:05:16,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-08 14:05:16,244 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:16,253 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 14:05:16,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:16,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 348 states and 730 transitions. [2018-12-08 14:05:16,380 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 730 transitions. [2018-12-08 14:05:16,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-08 14:05:16,380 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:16,390 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 14:05:16,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:16,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 350 states and 732 transitions. [2018-12-08 14:05:16,412 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 732 transitions. [2018-12-08 14:05:16,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 14:05:16,412 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:16,615 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-08 14:05:17,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:17,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 356 states and 752 transitions. [2018-12-08 14:05:17,277 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 752 transitions. [2018-12-08 14:05:17,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-08 14:05:17,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:17,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:17,486 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-08 14:05:19,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:19,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 365 states and 776 transitions. [2018-12-08 14:05:19,677 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 776 transitions. [2018-12-08 14:05:19,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-08 14:05:19,678 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:19,701 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 14:05:19,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:19,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 360 states and 765 transitions. [2018-12-08 14:05:19,735 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 765 transitions. [2018-12-08 14:05:19,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 14:05:19,736 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:19,749 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 14:05:19,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:19,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 361 states and 766 transitions. [2018-12-08 14:05:19,766 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 766 transitions. [2018-12-08 14:05:19,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-08 14:05:19,767 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:19,777 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 14:05:19,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:19,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 362 states and 767 transitions. [2018-12-08 14:05:19,807 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 767 transitions. [2018-12-08 14:05:19,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 14:05:19,808 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:19,835 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 14:05:20,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:20,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 363 states and 770 transitions. [2018-12-08 14:05:20,135 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 770 transitions. [2018-12-08 14:05:20,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-08 14:05:20,136 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:20,156 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-08 14:05:20,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:20,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 365 states and 773 transitions. [2018-12-08 14:05:20,183 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 773 transitions. [2018-12-08 14:05:20,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-08 14:05:20,184 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:20,317 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 14:05:21,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:21,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 372 states and 791 transitions. [2018-12-08 14:05:21,626 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 791 transitions. [2018-12-08 14:05:21,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-08 14:05:21,626 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:21,637 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-08 14:05:21,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:21,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 367 states and 780 transitions. [2018-12-08 14:05:21,905 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 780 transitions. [2018-12-08 14:05:21,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-08 14:05:21,905 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:21,915 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-08 14:05:21,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:21,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 368 states and 781 transitions. [2018-12-08 14:05:21,937 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 781 transitions. [2018-12-08 14:05:21,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-08 14:05:21,937 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:21,947 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-08 14:05:21,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:21,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 368 states and 779 transitions. [2018-12-08 14:05:21,973 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 779 transitions. [2018-12-08 14:05:21,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-08 14:05:21,973 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:21,984 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 14:05:21,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:21,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 369 states and 780 transitions. [2018-12-08 14:05:21,999 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 780 transitions. [2018-12-08 14:05:21,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-08 14:05:21,999 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:22,011 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-08 14:05:22,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:22,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 370 states and 781 transitions. [2018-12-08 14:05:22,042 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 781 transitions. [2018-12-08 14:05:22,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-08 14:05:22,042 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:22,052 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-08 14:05:22,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:22,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 366 states and 772 transitions. [2018-12-08 14:05:22,088 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 772 transitions. [2018-12-08 14:05:22,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-08 14:05:22,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:22,099 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-08 14:05:22,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:22,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 358 states and 757 transitions. [2018-12-08 14:05:22,122 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 757 transitions. [2018-12-08 14:05:22,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-08 14:05:22,123 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:22,160 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 31 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 14:05:23,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:23,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 367 states and 773 transitions. [2018-12-08 14:05:23,650 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 773 transitions. [2018-12-08 14:05:23,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-08 14:05:23,651 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:23,848 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 14 proven. 9 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-08 14:05:24,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:24,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 365 states and 757 transitions. [2018-12-08 14:05:24,139 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 757 transitions. [2018-12-08 14:05:24,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-08 14:05:24,139 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:24,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:24,151 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 14:05:24,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:24,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 366 states and 758 transitions. [2018-12-08 14:05:24,179 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 758 transitions. [2018-12-08 14:05:24,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-08 14:05:24,180 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:24,210 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 32 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 14:05:24,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:24,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 367 states and 761 transitions. [2018-12-08 14:05:24,476 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 761 transitions. [2018-12-08 14:05:24,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-08 14:05:24,476 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:05:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:05:24,531 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 14:05:24,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:05:24,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 172 states and 239 transitions. [2018-12-08 14:05:24,826 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 239 transitions. [2018-12-08 14:05:24,827 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 14:05:24,827 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 89 iterations. [2018-12-08 14:05:24,836 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 14:05:25,167 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-08 14:05:25,171 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 14:05:25,171 INFO L583 CodeCheckObserver]: Invariant with dag size 7 [2018-12-08 14:05:25,172 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 14:05:25,172 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 14:05:25,172 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 14:05:25,172 INFO L583 CodeCheckObserver]: Invariant with dag size 20 [2018-12-08 14:05:25,173 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 14:05:25,173 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 14:05:25,173 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 14:05:25,173 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-08 14:05:25,173 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 14:05:25,173 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 14:05:25,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 02:05:25 ImpRootNode [2018-12-08 14:05:25,173 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 14:05:25,174 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 14:05:25,174 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 14:05:25,174 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 14:05:25,174 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:04:53" (3/4) ... [2018-12-08 14:05:25,177 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 14:05:25,180 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 14:05:25,180 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 14:05:25,180 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 14:05:25,180 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 14:05:25,180 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 14:05:25,180 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 14:05:25,181 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 14:05:25,181 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-08 14:05:25,181 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 14:05:25,184 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2018-12-08 14:05:25,184 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 14:05:25,185 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 14:05:25,185 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 14:05:25,185 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 14:05:25,185 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 14:05:25,202 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(pumpRunning) == pumpRunning || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || ((systemActive == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning)) || (!(systemActive == 0) && !(pumpRunning == 0)) [2018-12-08 14:05:25,203 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning [2018-12-08 14:05:25,221 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_332a4b90-f22e-4e7d-9b66-ee7ed483adbe/bin-2019/ukojak/witness.graphml [2018-12-08 14:05:25,221 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 14:05:25,222 INFO L168 Benchmark]: Toolchain (without parser) took 32170.39 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 698.4 MB). Free memory was 957.1 MB in the beginning and 720.0 MB in the end (delta: 237.0 MB). Peak memory consumption was 935.4 MB. Max. memory is 11.5 GB. [2018-12-08 14:05:25,222 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:05:25,222 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.2 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -97.5 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-08 14:05:25,223 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:05:25,223 INFO L168 Benchmark]: Boogie Preprocessor took 18.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:05:25,223 INFO L168 Benchmark]: RCFGBuilder took 457.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 987.8 MB in the end (delta: 66.7 MB). Peak memory consumption was 66.7 MB. Max. memory is 11.5 GB. [2018-12-08 14:05:25,223 INFO L168 Benchmark]: CodeCheck took 31324.11 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 619.2 MB). Free memory was 987.8 MB in the beginning and 738.8 MB in the end (delta: 249.1 MB). Peak memory consumption was 868.3 MB. Max. memory is 11.5 GB. [2018-12-08 14:05:25,223 INFO L168 Benchmark]: Witness Printer took 47.40 ms. Allocated memory is still 1.7 GB. Free memory was 738.8 MB in the beginning and 720.0 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-12-08 14:05:25,224 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 10 procedures, 89 locations, 1 error locations. SAFE Result, 30.9s OverallTime, 89 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 158450000 SDtfs, 2005902656 SDslu, -476665504 SDs, 0 SdLazy, -604437524 SolverSat, -1161952120 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 69.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55348 GetRequests, 54323 SyntacticMatches, 477 SemanticMatches, 548 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180223 ImplicationChecksByTransitivity, 26.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 4614 NumberOfCodeBlocks, 4614 NumberOfCodeBlocksAsserted, 88 NumberOfCheckSat, 4526 ConstructedInterpolants, 0 QuantifiedInterpolants, 498424 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 88 InterpolantComputations, 80 PerfectInterpolantSequences, 1920/1969 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: 44]: 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: 438]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && pumpRunning == 0) && systemActive == 1 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: !(0 == tmp) || tmp == methaneLevelCritical - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: ((\old(pumpRunning) == pumpRunning || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || ((systemActive == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning)) || (!(systemActive == 0) && !(pumpRunning == 0)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 288.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.2 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -97.5 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.35 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 457.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 987.8 MB in the end (delta: 66.7 MB). Peak memory consumption was 66.7 MB. Max. memory is 11.5 GB. * CodeCheck took 31324.11 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 619.2 MB). Free memory was 987.8 MB in the beginning and 738.8 MB in the end (delta: 249.1 MB). Peak memory consumption was 868.3 MB. Max. memory is 11.5 GB. * Witness Printer took 47.40 ms. Allocated memory is still 1.7 GB. Free memory was 738.8 MB in the beginning and 720.0 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...