./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product15_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_c279c3d7-7c4e-4447-9f8a-5ddddeeaed57/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c279c3d7-7c4e-4447-9f8a-5ddddeeaed57/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c279c3d7-7c4e-4447-9f8a-5ddddeeaed57/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c279c3d7-7c4e-4447-9f8a-5ddddeeaed57/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product15_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c279c3d7-7c4e-4447-9f8a-5ddddeeaed57/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c279c3d7-7c4e-4447-9f8a-5ddddeeaed57/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 c8f66a1c2f1d9dffe5b7963794ef9964b4412e61 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:55:10,450 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 13:55:10,451 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 13:55:10,459 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 13:55:10,459 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 13:55:10,459 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 13:55:10,460 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 13:55:10,461 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 13:55:10,461 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 13:55:10,462 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 13:55:10,463 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 13:55:10,463 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 13:55:10,464 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 13:55:10,464 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 13:55:10,465 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 13:55:10,465 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 13:55:10,466 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 13:55:10,467 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 13:55:10,469 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 13:55:10,470 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 13:55:10,470 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 13:55:10,471 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 13:55:10,473 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 13:55:10,473 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 13:55:10,473 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 13:55:10,473 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 13:55:10,474 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 13:55:10,474 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 13:55:10,475 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 13:55:10,475 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 13:55:10,475 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 13:55:10,476 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 13:55:10,476 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 13:55:10,476 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 13:55:10,476 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 13:55:10,477 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 13:55:10,477 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c279c3d7-7c4e-4447-9f8a-5ddddeeaed57/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 13:55:10,484 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 13:55:10,484 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 13:55:10,485 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 13:55:10,485 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 13:55:10,486 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 13:55:10,486 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 13:55:10,486 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 13:55:10,486 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 13:55:10,486 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 13:55:10,486 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 13:55:10,486 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 13:55:10,487 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 13:55:10,487 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 13:55:10,487 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 13:55:10,487 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 13:55:10,487 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 13:55:10,487 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 13:55:10,488 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 13:55:10,488 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 13:55:10,488 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 13:55:10,488 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 13:55:10,488 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 13:55:10,488 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 13:55:10,489 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 13:55:10,489 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 13:55:10,489 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 13:55:10,489 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 13:55:10,489 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 13:55:10,489 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 13:55:10,489 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_c279c3d7-7c4e-4447-9f8a-5ddddeeaed57/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 -> c8f66a1c2f1d9dffe5b7963794ef9964b4412e61 [2018-12-08 13:55:10,513 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 13:55:10,521 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 13:55:10,523 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 13:55:10,524 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 13:55:10,524 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 13:55:10,525 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c279c3d7-7c4e-4447-9f8a-5ddddeeaed57/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product15_true-unreach-call_false-termination.cil.c [2018-12-08 13:55:10,557 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c279c3d7-7c4e-4447-9f8a-5ddddeeaed57/bin-2019/ukojak/data/c57e1b544/29c48b1ac5184dd8a259940d5bb67fc5/FLAGed6180851 [2018-12-08 13:55:11,015 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 13:55:11,015 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c279c3d7-7c4e-4447-9f8a-5ddddeeaed57/sv-benchmarks/c/product-lines/minepump_spec4_product15_true-unreach-call_false-termination.cil.c [2018-12-08 13:55:11,021 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c279c3d7-7c4e-4447-9f8a-5ddddeeaed57/bin-2019/ukojak/data/c57e1b544/29c48b1ac5184dd8a259940d5bb67fc5/FLAGed6180851 [2018-12-08 13:55:11,382 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c279c3d7-7c4e-4447-9f8a-5ddddeeaed57/bin-2019/ukojak/data/c57e1b544/29c48b1ac5184dd8a259940d5bb67fc5 [2018-12-08 13:55:11,384 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 13:55:11,385 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 13:55:11,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 13:55:11,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 13:55:11,387 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 13:55:11,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:55:11" (1/1) ... [2018-12-08 13:55:11,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c1a3593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:55:11, skipping insertion in model container [2018-12-08 13:55:11,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:55:11" (1/1) ... [2018-12-08 13:55:11,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 13:55:11,414 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 13:55:11,555 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:55:11,563 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 13:55:11,636 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:55:11,650 INFO L195 MainTranslator]: Completed translation [2018-12-08 13:55:11,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:55:11 WrapperNode [2018-12-08 13:55:11,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 13:55:11,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 13:55:11,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 13:55:11,651 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 13:55:11,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:55:11" (1/1) ... [2018-12-08 13:55:11,665 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:55:11" (1/1) ... [2018-12-08 13:55:11,682 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 13:55:11,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 13:55:11,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 13:55:11,682 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 13:55:11,688 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:55:11" (1/1) ... [2018-12-08 13:55:11,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:55:11" (1/1) ... [2018-12-08 13:55:11,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:55:11" (1/1) ... [2018-12-08 13:55:11,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:55:11" (1/1) ... [2018-12-08 13:55:11,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:55:11" (1/1) ... [2018-12-08 13:55:11,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:55:11" (1/1) ... [2018-12-08 13:55:11,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:55:11" (1/1) ... [2018-12-08 13:55:11,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 13:55:11,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 13:55:11,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 13:55:11,700 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 13:55:11,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:55:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c279c3d7-7c4e-4447-9f8a-5ddddeeaed57/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 13:55:11,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 13:55:11,735 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 13:55:11,736 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 13:55:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 13:55:11,736 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 13:55:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 13:55:11,736 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 13:55:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 13:55:11,736 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 13:55:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 13:55:11,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 13:55:11,737 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 13:55:11,737 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 13:55:11,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 13:55:11,737 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 13:55:11,737 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 13:55:11,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 13:55:11,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 13:55:12,116 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 13:55:12,116 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-12-08 13:55:12,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:55:12 BoogieIcfgContainer [2018-12-08 13:55:12,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 13:55:12,117 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 13:55:12,117 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 13:55:12,124 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 13:55:12,124 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:55:12" (1/1) ... [2018-12-08 13:55:12,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:55:12,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:12,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2018-12-08 13:55:12,156 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2018-12-08 13:55:12,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 13:55:12,160 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:12,265 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 13:55:12,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:12,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2018-12-08 13:55:12,272 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2018-12-08 13:55:12,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 13:55:12,272 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:12,318 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 13:55:12,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:12,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2018-12-08 13:55:12,342 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2018-12-08 13:55:12,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 13:55:12,342 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:12,391 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 13:55:12,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:12,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 66 states and 94 transitions. [2018-12-08 13:55:12,464 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2018-12-08 13:55:12,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 13:55:12,465 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:12,497 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 13:55:12,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:12,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2018-12-08 13:55:12,503 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2018-12-08 13:55:12,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 13:55:12,504 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:12,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:55:12,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:12,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 96 transitions. [2018-12-08 13:55:12,540 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2018-12-08 13:55:12,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 13:55:12,541 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:12,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:12,571 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 13:55:12,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:12,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 69 states and 97 transitions. [2018-12-08 13:55:12,579 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2018-12-08 13:55:12,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 13:55:12,580 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:12,634 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 13:55:12,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:12,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 85 states and 132 transitions. [2018-12-08 13:55:12,832 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 132 transitions. [2018-12-08 13:55:12,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 13:55:12,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:12,914 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 13:55:13,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:13,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 99 states and 169 transitions. [2018-12-08 13:55:13,359 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 169 transitions. [2018-12-08 13:55:13,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 13:55:13,359 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:13,378 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 13:55:13,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:13,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 100 states and 170 transitions. [2018-12-08 13:55:13,386 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 170 transitions. [2018-12-08 13:55:13,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 13:55:13,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:13,403 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 13:55:13,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:13,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 105 states and 179 transitions. [2018-12-08 13:55:13,512 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 179 transitions. [2018-12-08 13:55:13,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 13:55:13,513 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:13,527 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 13:55:13,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:13,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 107 states and 180 transitions. [2018-12-08 13:55:13,568 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 180 transitions. [2018-12-08 13:55:13,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 13:55:13,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:13,587 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 13:55:13,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:13,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 108 states and 181 transitions. [2018-12-08 13:55:13,594 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 181 transitions. [2018-12-08 13:55:13,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 13:55:13,594 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:13,627 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 13:55:13,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:13,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 118 states and 205 transitions. [2018-12-08 13:55:13,881 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 205 transitions. [2018-12-08 13:55:13,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-08 13:55:13,882 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:13,897 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 13:55:13,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:13,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 119 states and 206 transitions. [2018-12-08 13:55:13,911 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 206 transitions. [2018-12-08 13:55:13,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-08 13:55:13,911 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:13,924 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 13:55:13,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:13,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 120 states and 209 transitions. [2018-12-08 13:55:13,992 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 209 transitions. [2018-12-08 13:55:13,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-08 13:55:13,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:14,005 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 13:55:14,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:14,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 121 states and 212 transitions. [2018-12-08 13:55:14,016 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 212 transitions. [2018-12-08 13:55:14,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 13:55:14,017 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:14,028 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 13:55:14,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:14,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 124 states and 217 transitions. [2018-12-08 13:55:14,112 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 217 transitions. [2018-12-08 13:55:14,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-08 13:55:14,112 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:14,124 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 13:55:14,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:14,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 125 states and 218 transitions. [2018-12-08 13:55:14,140 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 218 transitions. [2018-12-08 13:55:14,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-08 13:55:14,141 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:14,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:14,153 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 13:55:14,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:14,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 127 states and 220 transitions. [2018-12-08 13:55:14,163 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 220 transitions. [2018-12-08 13:55:14,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 13:55:14,164 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:14,213 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 13:55:14,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:14,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 138 states and 259 transitions. [2018-12-08 13:55:14,521 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 259 transitions. [2018-12-08 13:55:14,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 13:55:14,522 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:14,538 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 13:55:14,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:14,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 140 states and 262 transitions. [2018-12-08 13:55:14,653 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 262 transitions. [2018-12-08 13:55:14,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-08 13:55:14,654 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:14,713 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 13:55:15,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:15,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 154 states and 303 transitions. [2018-12-08 13:55:15,328 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 303 transitions. [2018-12-08 13:55:15,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-08 13:55:15,329 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:15,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:15,496 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 13:55:16,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:16,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 162 states and 334 transitions. [2018-12-08 13:55:16,471 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 334 transitions. [2018-12-08 13:55:16,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-08 13:55:16,472 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:16,492 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 13:55:16,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:16,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 164 states and 340 transitions. [2018-12-08 13:55:16,655 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 340 transitions. [2018-12-08 13:55:16,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-08 13:55:16,655 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:16,667 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 13:55:16,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:16,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 165 states and 340 transitions. [2018-12-08 13:55:16,672 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 340 transitions. [2018-12-08 13:55:16,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-08 13:55:16,673 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:16,682 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 13:55:16,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:16,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 168 states and 345 transitions. [2018-12-08 13:55:16,933 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 345 transitions. [2018-12-08 13:55:16,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 13:55:16,933 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:16,987 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 13:55:17,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:17,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 169 states and 350 transitions. [2018-12-08 13:55:17,106 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 350 transitions. [2018-12-08 13:55:17,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-08 13:55:17,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:17,118 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 13:55:17,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:17,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 170 states and 351 transitions. [2018-12-08 13:55:17,127 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 351 transitions. [2018-12-08 13:55:17,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-08 13:55:17,128 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:17,139 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 13:55:17,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:17,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 171 states and 352 transitions. [2018-12-08 13:55:17,148 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 352 transitions. [2018-12-08 13:55:17,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 13:55:17,148 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:17,158 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 13:55:17,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:17,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 172 states and 353 transitions. [2018-12-08 13:55:17,169 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 353 transitions. [2018-12-08 13:55:17,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 13:55:17,169 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:17,179 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 13:55:17,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:17,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 173 states and 354 transitions. [2018-12-08 13:55:17,190 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 354 transitions. [2018-12-08 13:55:17,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 13:55:17,191 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:17,202 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 13:55:17,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:17,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 174 states and 355 transitions. [2018-12-08 13:55:17,235 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 355 transitions. [2018-12-08 13:55:17,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-08 13:55:17,236 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:17,307 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 13:55:17,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:17,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 177 states and 364 transitions. [2018-12-08 13:55:17,688 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 364 transitions. [2018-12-08 13:55:17,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 13:55:17,688 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:17,707 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 13:55:17,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:17,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 178 states and 364 transitions. [2018-12-08 13:55:17,863 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 364 transitions. [2018-12-08 13:55:17,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-08 13:55:17,864 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:17,913 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 13:55:18,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:18,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 178 states and 359 transitions. [2018-12-08 13:55:18,037 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 359 transitions. [2018-12-08 13:55:18,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 13:55:18,038 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:18,115 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 13:55:18,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:18,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 179 states and 364 transitions. [2018-12-08 13:55:18,262 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 364 transitions. [2018-12-08 13:55:18,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 13:55:18,263 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:18,338 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 13:55:18,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:18,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 181 states and 367 transitions. [2018-12-08 13:55:18,855 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 367 transitions. [2018-12-08 13:55:18,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 13:55:18,855 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:18,911 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 13:55:19,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:19,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 182 states and 364 transitions. [2018-12-08 13:55:19,064 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 364 transitions. [2018-12-08 13:55:19,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 13:55:19,064 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:19,150 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 13:55:19,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:19,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 182 states and 360 transitions. [2018-12-08 13:55:19,834 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 360 transitions. [2018-12-08 13:55:19,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 13:55:19,835 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:19,889 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 13:55:20,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:20,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 184 states and 366 transitions. [2018-12-08 13:55:20,131 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 366 transitions. [2018-12-08 13:55:20,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-08 13:55:20,132 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:20,165 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 13:55:20,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:20,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 184 states and 359 transitions. [2018-12-08 13:55:20,330 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 359 transitions. [2018-12-08 13:55:20,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-08 13:55:20,330 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:20,341 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 13:55:20,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:20,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 188 states and 366 transitions. [2018-12-08 13:55:20,357 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 366 transitions. [2018-12-08 13:55:20,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 13:55:20,358 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:20,367 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 13:55:20,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:20,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 189 states and 366 transitions. [2018-12-08 13:55:20,382 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 366 transitions. [2018-12-08 13:55:20,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 13:55:20,383 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:20,392 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 13:55:20,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:20,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 190 states and 367 transitions. [2018-12-08 13:55:20,410 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 367 transitions. [2018-12-08 13:55:20,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 13:55:20,410 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:20,420 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 13:55:20,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:20,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 184 states and 356 transitions. [2018-12-08 13:55:20,433 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 356 transitions. [2018-12-08 13:55:20,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-08 13:55:20,433 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:20,499 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 13:55:20,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:20,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 186 states and 358 transitions. [2018-12-08 13:55:20,699 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 358 transitions. [2018-12-08 13:55:20,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 13:55:20,700 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:20,709 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 13:55:20,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:20,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 171 states and 329 transitions. [2018-12-08 13:55:20,733 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 329 transitions. [2018-12-08 13:55:20,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 13:55:20,733 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:20,793 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 13:55:20,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:20,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 176 states and 339 transitions. [2018-12-08 13:55:20,946 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 339 transitions. [2018-12-08 13:55:20,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 13:55:20,947 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:20,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:21,031 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 13:55:21,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:21,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 178 states and 340 transitions. [2018-12-08 13:55:21,171 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 340 transitions. [2018-12-08 13:55:21,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-08 13:55:21,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:21,182 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-08 13:55:21,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:21,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 184 states and 352 transitions. [2018-12-08 13:55:21,754 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 352 transitions. [2018-12-08 13:55:21,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 13:55:21,755 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:55:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:21,802 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-08 13:55:22,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:55:22,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 89 states and 142 transitions. [2018-12-08 13:55:22,331 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 142 transitions. [2018-12-08 13:55:22,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 13:55:22,331 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2018-12-08 13:55:22,337 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 13:55:22,514 INFO L583 CodeCheckObserver]: Invariant with dag size 17 [2018-12-08 13:55:22,520 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 13:55:22,520 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 13:55:22,520 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 13:55:22,520 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 13:55:22,520 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 13:55:22,520 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 13:55:22,520 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 13:55:22,521 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 13:55:22,521 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 13:55:22,521 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-08 13:55:22,521 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 13:55:22,521 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 13:55:22,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 01:55:22 ImpRootNode [2018-12-08 13:55:22,522 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 13:55:22,522 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 13:55:22,522 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 13:55:22,522 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 13:55:22,523 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:55:12" (3/4) ... [2018-12-08 13:55:22,525 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 13:55:22,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 13:55:22,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 13:55:22,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 13:55:22,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 13:55:22,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 13:55:22,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-08 13:55:22,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 13:55:22,535 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-12-08 13:55:22,535 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-08 13:55:22,535 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 13:55:22,536 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 13:55:22,536 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 13:55:22,536 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 13:55:22,556 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || (\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning)) || (!(1 == waterLevel) && systemActive == 1) [2018-12-08 13:55:22,583 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c279c3d7-7c4e-4447-9f8a-5ddddeeaed57/bin-2019/ukojak/witness.graphml [2018-12-08 13:55:22,583 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 13:55:22,583 INFO L168 Benchmark]: Toolchain (without parser) took 11199.04 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 451.4 MB). Free memory was 950.6 MB in the beginning and 880.9 MB in the end (delta: 69.8 MB). Peak memory consumption was 521.2 MB. Max. memory is 11.5 GB. [2018-12-08 13:55:22,584 INFO L168 Benchmark]: CDTParser took 0.10 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 13:55:22,584 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -144.9 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-08 13:55:22,585 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.64 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 13:55:22,585 INFO L168 Benchmark]: Boogie Preprocessor took 17.34 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-08 13:55:22,585 INFO L168 Benchmark]: RCFGBuilder took 417.30 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: 70.5 MB). Peak memory consumption was 70.5 MB. Max. memory is 11.5 GB. [2018-12-08 13:55:22,585 INFO L168 Benchmark]: CodeCheck took 10404.76 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 341.8 MB). Free memory was 1.0 GB in the beginning and 881.4 MB in the end (delta: 140.1 MB). Peak memory consumption was 482.0 MB. Max. memory is 11.5 GB. [2018-12-08 13:55:22,585 INFO L168 Benchmark]: Witness Printer took 61.08 ms. Allocated memory is still 1.5 GB. Free memory was 881.4 MB in the beginning and 880.9 MB in the end (delta: 517.3 kB). Peak memory consumption was 517.3 kB. Max. memory is 11.5 GB. [2018-12-08 13:55:22,586 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 8 procedures, 70 locations, 1 error locations. SAFE Result, 10.1s OverallTime, 52 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1139114772 SDtfs, -1044685284 SDslu, 1166464624 SDs, 0 SdLazy, -1603278722 SolverSat, 1737618962 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20080 GetRequests, 19544 SyntacticMatches, 244 SemanticMatches, 292 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46728 ImplicationChecksByTransitivity, 8.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1774 NumberOfCodeBlocks, 1774 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 1723 ConstructedInterpolants, 0 QuantifiedInterpolants, 152853 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 43 PerfectInterpolantSequences, 603/641 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: 82]: 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: 173]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || (\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning)) || (!(1 == waterLevel) && systemActive == 1) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && systemActive == 1 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 265.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -144.9 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.64 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 17.34 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 417.30 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: 70.5 MB). Peak memory consumption was 70.5 MB. Max. memory is 11.5 GB. * CodeCheck took 10404.76 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 341.8 MB). Free memory was 1.0 GB in the beginning and 881.4 MB in the end (delta: 140.1 MB). Peak memory consumption was 482.0 MB. Max. memory is 11.5 GB. * Witness Printer took 61.08 ms. Allocated memory is still 1.5 GB. Free memory was 881.4 MB in the beginning and 880.9 MB in the end (delta: 517.3 kB). Peak memory consumption was 517.3 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...