./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product31_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_c224353a-452b-46a8-9281-f8455483c631/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c224353a-452b-46a8-9281-f8455483c631/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c224353a-452b-46a8-9281-f8455483c631/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c224353a-452b-46a8-9281-f8455483c631/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product31_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c224353a-452b-46a8-9281-f8455483c631/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c224353a-452b-46a8-9281-f8455483c631/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 e966d9b3bce12fee8fc2d0d68326680d997e6955 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:33:30,370 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:33:30,371 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:33:30,376 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:33:30,377 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:33:30,377 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:33:30,378 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:33:30,378 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:33:30,379 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:33:30,380 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:33:30,380 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:33:30,380 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:33:30,381 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:33:30,381 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:33:30,382 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:33:30,382 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:33:30,382 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:33:30,383 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:33:30,384 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:33:30,385 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:33:30,385 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:33:30,386 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:33:30,387 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:33:30,387 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:33:30,387 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:33:30,388 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:33:30,388 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:33:30,389 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:33:30,389 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:33:30,389 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:33:30,390 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:33:30,390 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:33:30,390 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:33:30,390 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:33:30,391 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:33:30,391 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:33:30,391 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c224353a-452b-46a8-9281-f8455483c631/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 16:33:30,398 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:33:30,398 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:33:30,399 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:33:30,399 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 16:33:30,399 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 16:33:30,399 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 16:33:30,399 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:33:30,400 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:33:30,400 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:33:30,400 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:33:30,400 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:33:30,400 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:33:30,400 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:33:30,400 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:33:30,400 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:33:30,400 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:33:30,400 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:33:30,400 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:33:30,400 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 16:33:30,401 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 16:33:30,401 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:33:30,401 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:33:30,401 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 16:33:30,401 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:33:30,401 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:33:30,401 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:33:30,401 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 16:33:30,401 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:33:30,401 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:33:30,401 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_c224353a-452b-46a8-9281-f8455483c631/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 -> e966d9b3bce12fee8fc2d0d68326680d997e6955 [2018-12-08 16:33:30,419 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:33:30,428 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:33:30,430 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:33:30,431 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:33:30,431 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:33:30,432 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c224353a-452b-46a8-9281-f8455483c631/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product31_true-unreach-call_false-termination.cil.c [2018-12-08 16:33:30,473 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c224353a-452b-46a8-9281-f8455483c631/bin-2019/ukojak/data/db95fdbea/3c83d22e2b5e49f6b00570ef47510fec/FLAGf66300cf4 [2018-12-08 16:33:30,844 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:33:30,845 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c224353a-452b-46a8-9281-f8455483c631/sv-benchmarks/c/product-lines/minepump_spec4_product31_true-unreach-call_false-termination.cil.c [2018-12-08 16:33:30,851 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c224353a-452b-46a8-9281-f8455483c631/bin-2019/ukojak/data/db95fdbea/3c83d22e2b5e49f6b00570ef47510fec/FLAGf66300cf4 [2018-12-08 16:33:31,211 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c224353a-452b-46a8-9281-f8455483c631/bin-2019/ukojak/data/db95fdbea/3c83d22e2b5e49f6b00570ef47510fec [2018-12-08 16:33:31,212 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:33:31,213 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:33:31,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:33:31,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:33:31,216 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:33:31,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:33:31" (1/1) ... [2018-12-08 16:33:31,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67523692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:33:31, skipping insertion in model container [2018-12-08 16:33:31,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:33:31" (1/1) ... [2018-12-08 16:33:31,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:33:31,242 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:33:31,387 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:33:31,431 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:33:31,477 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:33:31,492 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:33:31,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:33:31 WrapperNode [2018-12-08 16:33:31,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:33:31,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:33:31,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:33:31,493 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:33:31,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:33:31" (1/1) ... [2018-12-08 16:33:31,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:33:31" (1/1) ... [2018-12-08 16:33:31,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:33:31,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:33:31,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:33:31,525 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:33:31,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:33:31" (1/1) ... [2018-12-08 16:33:31,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:33:31" (1/1) ... [2018-12-08 16:33:31,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:33:31" (1/1) ... [2018-12-08 16:33:31,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:33:31" (1/1) ... [2018-12-08 16:33:31,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:33:31" (1/1) ... [2018-12-08 16:33:31,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:33:31" (1/1) ... [2018-12-08 16:33:31,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:33:31" (1/1) ... [2018-12-08 16:33:31,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:33:31,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:33:31,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:33:31,544 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:33:31,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:33:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c224353a-452b-46a8-9281-f8455483c631/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 16:33:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:33:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 16:33:31,580 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 16:33:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 16:33:31,581 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 16:33:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 16:33:31,581 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 16:33:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 16:33:31,581 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 16:33:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 16:33:31,581 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 16:33:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 16:33:31,582 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 16:33:31,582 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 16:33:31,582 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 16:33:31,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 16:33:31,582 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 16:33:31,582 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 16:33:31,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:33:31,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:33:31,993 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:33:31,993 INFO L280 CfgBuilder]: Removed 38 assue(true) statements. [2018-12-08 16:33:31,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:33:31 BoogieIcfgContainer [2018-12-08 16:33:31,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:33:31,994 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 16:33:31,994 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 16:33:32,003 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 16:33:32,004 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:33:31" (1/1) ... [2018-12-08 16:33:32,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:33:32,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:32,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 62 states and 84 transitions. [2018-12-08 16:33:32,042 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2018-12-08 16:33:32,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 16:33:32,046 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:32,179 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 16:33:32,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:32,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 62 states and 82 transitions. [2018-12-08 16:33:32,186 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2018-12-08 16:33:32,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 16:33:32,186 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:32,239 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 16:33:32,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:32,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 64 states and 85 transitions. [2018-12-08 16:33:32,267 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2018-12-08 16:33:32,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 16:33:32,268 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:32,301 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 16:33:32,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:32,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 74 states and 106 transitions. [2018-12-08 16:33:32,379 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 106 transitions. [2018-12-08 16:33:32,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 16:33:32,380 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:32,401 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 16:33:32,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:32,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 75 states and 107 transitions. [2018-12-08 16:33:32,405 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2018-12-08 16:33:32,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 16:33:32,406 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:32,425 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 16:33:32,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:32,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 76 states and 108 transitions. [2018-12-08 16:33:32,431 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2018-12-08 16:33:32,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 16:33:32,432 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:32,451 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 16:33:32,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:32,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 77 states and 109 transitions. [2018-12-08 16:33:32,457 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2018-12-08 16:33:32,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 16:33:32,458 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:32,502 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 16:33:32,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:32,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 93 states and 144 transitions. [2018-12-08 16:33:32,697 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 144 transitions. [2018-12-08 16:33:32,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 16:33:32,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:32,733 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 16:33:32,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:32,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 94 states and 145 transitions. [2018-12-08 16:33:32,743 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 145 transitions. [2018-12-08 16:33:32,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 16:33:32,745 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:32,783 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 16:33:32,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:32,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 95 states and 146 transitions. [2018-12-08 16:33:32,791 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 146 transitions. [2018-12-08 16:33:32,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 16:33:32,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:32,860 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 16:33:33,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:33,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 109 states and 184 transitions. [2018-12-08 16:33:33,266 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 184 transitions. [2018-12-08 16:33:33,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 16:33:33,267 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:33,287 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 16:33:33,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:33,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 110 states and 185 transitions. [2018-12-08 16:33:33,300 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 185 transitions. [2018-12-08 16:33:33,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 16:33:33,300 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:33,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:33,335 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 16:33:33,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:33,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 116 states and 202 transitions. [2018-12-08 16:33:33,464 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 202 transitions. [2018-12-08 16:33:33,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 16:33:33,465 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:33,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:33,477 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 16:33:33,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:33,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 118 states and 203 transitions. [2018-12-08 16:33:33,520 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 203 transitions. [2018-12-08 16:33:33,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-08 16:33:33,521 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:33,579 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 16:33:33,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:33,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 120 states and 208 transitions. [2018-12-08 16:33:33,699 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 208 transitions. [2018-12-08 16:33:33,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-08 16:33:33,700 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:33,736 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 16:33:33,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:33,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 118 states and 202 transitions. [2018-12-08 16:33:33,743 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 202 transitions. [2018-12-08 16:33:33,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 16:33:33,744 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:33,781 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:34,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:34,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 128 states and 226 transitions. [2018-12-08 16:33:34,033 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 226 transitions. [2018-12-08 16:33:34,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 16:33:34,034 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:34,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:34,045 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:34,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:34,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 129 states and 229 transitions. [2018-12-08 16:33:34,122 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 229 transitions. [2018-12-08 16:33:34,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 16:33:34,123 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:34,137 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:34,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:34,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 134 states and 238 transitions. [2018-12-08 16:33:34,227 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 238 transitions. [2018-12-08 16:33:34,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 16:33:34,228 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:34,239 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:34,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:34,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 135 states and 239 transitions. [2018-12-08 16:33:34,256 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 239 transitions. [2018-12-08 16:33:34,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-08 16:33:34,257 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:34,273 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:34,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:34,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 136 states and 240 transitions. [2018-12-08 16:33:34,292 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 240 transitions. [2018-12-08 16:33:34,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 16:33:34,293 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:34,304 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:34,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:34,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 137 states and 241 transitions. [2018-12-08 16:33:34,324 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 241 transitions. [2018-12-08 16:33:34,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 16:33:34,325 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:34,345 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:33:34,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:34,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 148 states and 282 transitions. [2018-12-08 16:33:34,653 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 282 transitions. [2018-12-08 16:33:34,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 16:33:34,654 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:34,673 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:33:34,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:34,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 150 states and 285 transitions. [2018-12-08 16:33:34,794 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 285 transitions. [2018-12-08 16:33:34,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-08 16:33:34,795 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:34,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:34,809 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 16:33:34,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:34,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 151 states and 285 transitions. [2018-12-08 16:33:34,820 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 285 transitions. [2018-12-08 16:33:34,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-08 16:33:34,821 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:34,971 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:35,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:35,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 159 states and 314 transitions. [2018-12-08 16:33:35,883 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 314 transitions. [2018-12-08 16:33:35,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-08 16:33:35,884 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:35,897 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:33:35,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:35,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 160 states and 315 transitions. [2018-12-08 16:33:35,905 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 315 transitions. [2018-12-08 16:33:35,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-08 16:33:35,905 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:35,918 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:33:35,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:35,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 161 states and 316 transitions. [2018-12-08 16:33:35,925 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 316 transitions. [2018-12-08 16:33:35,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 16:33:35,926 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:35,939 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 16:33:36,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:36,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 162 states and 316 transitions. [2018-12-08 16:33:36,099 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 316 transitions. [2018-12-08 16:33:36,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 16:33:36,099 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:36,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:36,170 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:36,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:36,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 167 states and 337 transitions. [2018-12-08 16:33:36,865 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 337 transitions. [2018-12-08 16:33:36,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 16:33:36,866 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:36,926 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:37,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:37,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 177 states and 364 transitions. [2018-12-08 16:33:37,171 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 364 transitions. [2018-12-08 16:33:37,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 16:33:37,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:37,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:37,186 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:37,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:37,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 180 states and 377 transitions. [2018-12-08 16:33:37,473 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 377 transitions. [2018-12-08 16:33:37,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 16:33:37,474 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:37,483 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:37,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:37,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 182 states and 383 transitions. [2018-12-08 16:33:37,603 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 383 transitions. [2018-12-08 16:33:37,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 16:33:37,604 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:37,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:37,614 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:37,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:37,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 182 states and 382 transitions. [2018-12-08 16:33:37,766 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 382 transitions. [2018-12-08 16:33:37,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 16:33:37,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:37,780 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:37,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:37,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 183 states and 379 transitions. [2018-12-08 16:33:37,956 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 379 transitions. [2018-12-08 16:33:37,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 16:33:37,956 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:38,002 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:38,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:38,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 184 states and 380 transitions. [2018-12-08 16:33:38,010 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 380 transitions. [2018-12-08 16:33:38,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 16:33:38,011 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:38,023 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:38,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:38,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 187 states and 385 transitions. [2018-12-08 16:33:38,468 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 385 transitions. [2018-12-08 16:33:38,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 16:33:38,469 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:38,513 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:33:38,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:38,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 188 states and 386 transitions. [2018-12-08 16:33:38,522 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 386 transitions. [2018-12-08 16:33:38,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 16:33:38,522 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:38,576 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:38,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:38,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 189 states and 387 transitions. [2018-12-08 16:33:38,583 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 387 transitions. [2018-12-08 16:33:38,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-08 16:33:38,584 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:38,663 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 16:33:39,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:39,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 191 states and 389 transitions. [2018-12-08 16:33:39,091 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 389 transitions. [2018-12-08 16:33:39,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 16:33:39,092 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:39,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:39,131 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 16:33:39,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:39,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 193 states and 391 transitions. [2018-12-08 16:33:39,845 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 391 transitions. [2018-12-08 16:33:39,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-08 16:33:39,846 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:39,856 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-08 16:33:39,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:39,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 197 states and 398 transitions. [2018-12-08 16:33:39,882 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 398 transitions. [2018-12-08 16:33:39,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 16:33:39,883 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:39,909 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 16:33:40,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:40,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 199 states and 404 transitions. [2018-12-08 16:33:40,210 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 404 transitions. [2018-12-08 16:33:40,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 16:33:40,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:40,296 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:33:40,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:40,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 199 states and 400 transitions. [2018-12-08 16:33:40,809 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 400 transitions. [2018-12-08 16:33:40,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 16:33:40,810 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:40,820 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 16:33:40,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:40,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 200 states and 400 transitions. [2018-12-08 16:33:40,838 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 400 transitions. [2018-12-08 16:33:40,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 16:33:40,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:40,849 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-08 16:33:40,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:40,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 198 states and 396 transitions. [2018-12-08 16:33:40,862 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 396 transitions. [2018-12-08 16:33:40,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 16:33:40,862 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:40,872 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-08 16:33:40,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:40,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 195 states and 390 transitions. [2018-12-08 16:33:40,886 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 390 transitions. [2018-12-08 16:33:40,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-08 16:33:40,886 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:40,896 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 16:33:41,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:41,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 197 states and 392 transitions. [2018-12-08 16:33:41,211 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 392 transitions. [2018-12-08 16:33:41,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-08 16:33:41,212 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:41,223 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 16:33:41,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:41,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 182 states and 363 transitions. [2018-12-08 16:33:41,241 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 363 transitions. [2018-12-08 16:33:41,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 16:33:41,242 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:41,257 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 16:33:41,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:41,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 189 states and 374 transitions. [2018-12-08 16:33:41,615 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 374 transitions. [2018-12-08 16:33:41,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-08 16:33:41,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:41,628 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 16:33:41,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:41,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 190 states and 376 transitions. [2018-12-08 16:33:41,635 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 376 transitions. [2018-12-08 16:33:41,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 16:33:41,635 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:41,647 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 16:33:41,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:41,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 191 states and 377 transitions. [2018-12-08 16:33:41,660 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 377 transitions. [2018-12-08 16:33:41,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 16:33:41,660 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:41,671 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 16:33:41,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:41,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 192 states and 378 transitions. [2018-12-08 16:33:41,683 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 378 transitions. [2018-12-08 16:33:41,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-08 16:33:41,684 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:41,730 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-08 16:33:41,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:41,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 194 states and 383 transitions. [2018-12-08 16:33:41,916 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 383 transitions. [2018-12-08 16:33:41,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-08 16:33:41,916 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:42,098 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 25 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 16:33:43,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:43,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 206 states and 421 transitions. [2018-12-08 16:33:43,093 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 421 transitions. [2018-12-08 16:33:43,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-08 16:33:43,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 16:33:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:33:43,128 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-08 16:33:43,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 16:33:43,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 117 states and 196 transitions. [2018-12-08 16:33:43,325 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 196 transitions. [2018-12-08 16:33:43,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 16:33:43,326 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 56 iterations. [2018-12-08 16:33:43,331 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 16:33:43,539 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 16:33:43,541 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 16:33:43,541 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 16:33:43,541 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-08 16:33:43,543 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 16:33:43,543 INFO L583 CodeCheckObserver]: Invariant with dag size 17 [2018-12-08 16:33:43,544 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 16:33:43,545 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 16:33:43,545 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 16:33:43,545 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 16:33:43,545 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 16:33:43,545 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 16:33:43,545 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 16:33:43,545 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-08 16:33:43,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 04:33:43 ImpRootNode [2018-12-08 16:33:43,546 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 16:33:43,546 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:33:43,546 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:33:43,546 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:33:43,547 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:33:31" (3/4) ... [2018-12-08 16:33:43,550 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 16:33:43,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 16:33:43,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 16:33:43,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 16:33:43,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 16:33:43,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 16:33:43,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 16:33:43,553 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-08 16:33:43,554 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 16:33:43,557 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2018-12-08 16:33:43,558 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 16:33:43,558 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-08 16:33:43,558 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 16:33:43,558 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 16:33:43,559 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 16:33:43,576 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning)) || ((!(1 == waterLevel) && systemActive == 1) && \old(pumpRunning) == pumpRunning) [2018-12-08 16:33:43,576 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning [2018-12-08 16:33:43,603 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c224353a-452b-46a8-9281-f8455483c631/bin-2019/ukojak/witness.graphml [2018-12-08 16:33:43,603 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:33:43,604 INFO L168 Benchmark]: Toolchain (without parser) took 12390.93 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 354.9 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -246.8 MB). Peak memory consumption was 108.2 MB. Max. memory is 11.5 GB. [2018-12-08 16:33:43,605 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:33:43,605 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -146.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-12-08 16:33:43,605 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:33:43,605 INFO L168 Benchmark]: Boogie Preprocessor took 18.99 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 16:33:43,605 INFO L168 Benchmark]: RCFGBuilder took 449.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:33:43,605 INFO L168 Benchmark]: CodeCheck took 11552.14 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 246.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -187.3 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. [2018-12-08 16:33:43,606 INFO L168 Benchmark]: Witness Printer took 56.80 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:33:43,607 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 9 procedures, 82 locations, 1 error locations. SAFE Result, 11.3s OverallTime, 56 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -400549744 SDtfs, 530960768 SDslu, 1024644736 SDs, 0 SdLazy, -1215357040 SolverSat, -867611120 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25290 GetRequests, 24749 SyntacticMatches, 235 SemanticMatches, 306 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49050 ImplicationChecksByTransitivity, 9.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2123 NumberOfCodeBlocks, 2123 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 2068 ConstructedInterpolants, 0 QuantifiedInterpolants, 200487 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 55 InterpolantComputations, 46 PerfectInterpolantSequences, 706/755 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: 952]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning)) || ((!(1 == waterLevel) && systemActive == 1) && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && systemActive == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 278.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -146.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.99 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 449.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. * CodeCheck took 11552.14 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 246.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -187.3 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. * Witness Printer took 56.80 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...