./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label12_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a4d25068-44a7-43c8-b413-47df0acaa895/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a4d25068-44a7-43c8-b413-47df0acaa895/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a4d25068-44a7-43c8-b413-47df0acaa895/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a4d25068-44a7-43c8-b413-47df0acaa895/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label12_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a4d25068-44a7-43c8-b413-47df0acaa895/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a4d25068-44a7-43c8-b413-47df0acaa895/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 14ae8eb2d33b1f0bf446cd99369ade126e9422a8 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:32:19,458 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:32:19,459 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:32:19,466 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:32:19,466 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:32:19,466 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:32:19,467 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:32:19,468 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:32:19,469 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:32:19,470 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:32:19,471 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:32:19,471 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:32:19,471 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:32:19,472 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:32:19,473 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:32:19,473 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:32:19,474 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:32:19,476 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:32:19,477 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:32:19,478 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:32:19,479 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:32:19,480 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:32:19,481 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:32:19,481 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:32:19,481 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:32:19,483 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:32:19,483 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:32:19,484 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:32:19,484 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:32:19,485 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:32:19,485 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:32:19,486 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:32:19,486 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:32:19,486 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:32:19,487 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:32:19,487 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:32:19,488 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a4d25068-44a7-43c8-b413-47df0acaa895/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 14:32:19,497 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:32:19,497 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:32:19,497 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:32:19,497 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 14:32:19,498 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:32:19,498 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:32:19,498 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:32:19,498 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:32:19,498 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:32:19,498 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:32:19,499 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:32:19,499 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:32:19,499 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:32:19,499 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:32:19,499 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:32:19,499 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:32:19,499 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:32:19,499 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:32:19,499 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 14:32:19,500 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 14:32:19,500 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:32:19,500 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:32:19,500 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 14:32:19,500 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:32:19,500 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:32:19,500 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:32:19,500 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 14:32:19,500 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:32:19,500 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:32:19,500 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_a4d25068-44a7-43c8-b413-47df0acaa895/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 -> 14ae8eb2d33b1f0bf446cd99369ade126e9422a8 [2018-11-18 14:32:19,524 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:32:19,532 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:32:19,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:32:19,535 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:32:19,536 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:32:19,536 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a4d25068-44a7-43c8-b413-47df0acaa895/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label12_true-unreach-call_false-termination.c [2018-11-18 14:32:19,571 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a4d25068-44a7-43c8-b413-47df0acaa895/bin-2019/ukojak/data/b57b7f3d4/203e5f9fdc3b4cd99c6b43482f908bce/FLAG07d3be24d [2018-11-18 14:32:19,970 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:32:19,971 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a4d25068-44a7-43c8-b413-47df0acaa895/sv-benchmarks/c/eca-rers2012/Problem01_label12_true-unreach-call_false-termination.c [2018-11-18 14:32:19,979 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a4d25068-44a7-43c8-b413-47df0acaa895/bin-2019/ukojak/data/b57b7f3d4/203e5f9fdc3b4cd99c6b43482f908bce/FLAG07d3be24d [2018-11-18 14:32:20,344 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a4d25068-44a7-43c8-b413-47df0acaa895/bin-2019/ukojak/data/b57b7f3d4/203e5f9fdc3b4cd99c6b43482f908bce [2018-11-18 14:32:20,346 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:32:20,347 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:32:20,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:32:20,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:32:20,350 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:32:20,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:32:20" (1/1) ... [2018-11-18 14:32:20,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4634de3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:20, skipping insertion in model container [2018-11-18 14:32:20,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:32:20" (1/1) ... [2018-11-18 14:32:20,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:32:20,392 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:32:20,628 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:32:20,631 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:32:20,696 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:32:20,705 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:32:20,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:20 WrapperNode [2018-11-18 14:32:20,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:32:20,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:32:20,706 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:32:20,706 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:32:20,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:20" (1/1) ... [2018-11-18 14:32:20,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:20" (1/1) ... [2018-11-18 14:32:20,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:32:20,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:32:20,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:32:20,810 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:32:20,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:20" (1/1) ... [2018-11-18 14:32:20,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:20" (1/1) ... [2018-11-18 14:32:20,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:20" (1/1) ... [2018-11-18 14:32:20,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:20" (1/1) ... [2018-11-18 14:32:20,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:20" (1/1) ... [2018-11-18 14:32:20,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:20" (1/1) ... [2018-11-18 14:32:20,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:20" (1/1) ... [2018-11-18 14:32:20,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:32:20,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:32:20,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:32:20,856 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:32:20,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:32:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4d25068-44a7-43c8-b413-47df0acaa895/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 14:32:20,906 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 14:32:20,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:32:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:32:22,146 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:32:22,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:32:22 BoogieIcfgContainer [2018-11-18 14:32:22,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:32:22,147 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 14:32:22,147 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 14:32:22,153 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 14:32:22,154 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:32:22" (1/1) ... [2018-11-18 14:32:22,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:32:22,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:22,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-18 14:32:22,186 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-18 14:32:22,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 14:32:22,189 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:22,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:32:22,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:22,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 147 states and 223 transitions. [2018-11-18 14:32:22,809 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 223 transitions. [2018-11-18 14:32:22,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 14:32:22,811 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:22,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:32:23,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:23,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 152 states and 229 transitions. [2018-11-18 14:32:23,037 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 229 transitions. [2018-11-18 14:32:23,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-18 14:32:23,038 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:23,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:23,082 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:32:23,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:23,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 158 states and 240 transitions. [2018-11-18 14:32:23,160 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 240 transitions. [2018-11-18 14:32:23,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 14:32:23,162 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:23,255 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:32:23,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:23,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 229 states and 320 transitions. [2018-11-18 14:32:23,566 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 320 transitions. [2018-11-18 14:32:23,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 14:32:23,570 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:23,670 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:32:24,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:24,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 240 states and 337 transitions. [2018-11-18 14:32:24,013 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 337 transitions. [2018-11-18 14:32:24,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 14:32:24,020 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:24,081 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 14:32:24,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:24,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 252 states and 356 transitions. [2018-11-18 14:32:24,543 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 356 transitions. [2018-11-18 14:32:24,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 14:32:24,544 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:24,565 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 14:32:24,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:24,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 258 states and 363 transitions. [2018-11-18 14:32:24,724 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 363 transitions. [2018-11-18 14:32:24,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 14:32:24,725 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:24,745 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 14:32:24,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:24,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 262 states and 367 transitions. [2018-11-18 14:32:24,830 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 367 transitions. [2018-11-18 14:32:24,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-18 14:32:24,831 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:24,849 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 14:32:25,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:25,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 274 states and 382 transitions. [2018-11-18 14:32:25,027 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 382 transitions. [2018-11-18 14:32:25,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 14:32:25,028 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:25,043 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 14:32:25,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:25,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 276 states and 384 transitions. [2018-11-18 14:32:25,061 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 384 transitions. [2018-11-18 14:32:25,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 14:32:25,062 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:25,080 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 14:32:25,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:25,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 282 states and 392 transitions. [2018-11-18 14:32:25,353 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 392 transitions. [2018-11-18 14:32:25,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 14:32:25,355 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:25,386 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 14:32:25,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:25,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 286 states and 398 transitions. [2018-11-18 14:32:25,527 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 398 transitions. [2018-11-18 14:32:25,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 14:32:25,528 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:25,632 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 14:32:25,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:25,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 294 states and 407 transitions. [2018-11-18 14:32:25,814 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 407 transitions. [2018-11-18 14:32:25,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 14:32:25,815 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:25,935 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 14:32:26,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:26,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 299 states and 412 transitions. [2018-11-18 14:32:26,140 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 412 transitions. [2018-11-18 14:32:26,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-18 14:32:26,141 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:26,210 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:32:26,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:26,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 314 states and 429 transitions. [2018-11-18 14:32:26,432 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 429 transitions. [2018-11-18 14:32:26,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 14:32:26,433 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:26,569 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 14:32:27,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:27,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 320 states and 440 transitions. [2018-11-18 14:32:27,097 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 440 transitions. [2018-11-18 14:32:27,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 14:32:27,098 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:27,123 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 14:32:27,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:27,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 321 states and 440 transitions. [2018-11-18 14:32:27,263 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 440 transitions. [2018-11-18 14:32:27,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 14:32:27,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:27,288 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 14:32:27,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:27,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 338 states and 458 transitions. [2018-11-18 14:32:27,610 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 458 transitions. [2018-11-18 14:32:27,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 14:32:27,611 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:27,720 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:32:28,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:28,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 369 states and 494 transitions. [2018-11-18 14:32:28,167 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 494 transitions. [2018-11-18 14:32:28,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 14:32:28,168 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:28,260 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 14:32:28,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:28,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 383 states and 509 transitions. [2018-11-18 14:32:28,434 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 509 transitions. [2018-11-18 14:32:28,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 14:32:28,435 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:28,456 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 14:32:28,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:28,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 386 states and 513 transitions. [2018-11-18 14:32:28,592 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 513 transitions. [2018-11-18 14:32:28,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 14:32:28,593 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:28,788 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 14:32:29,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:29,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 400 states and 528 transitions. [2018-11-18 14:32:29,135 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 528 transitions. [2018-11-18 14:32:29,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 14:32:29,136 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:29,157 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 14:32:29,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:29,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 414 states and 550 transitions. [2018-11-18 14:32:29,604 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 550 transitions. [2018-11-18 14:32:29,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 14:32:29,605 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:29,636 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 14:32:29,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:29,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 420 states and 557 transitions. [2018-11-18 14:32:29,913 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 557 transitions. [2018-11-18 14:32:29,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 14:32:29,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:29,941 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 14:32:30,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:30,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 424 states and 561 transitions. [2018-11-18 14:32:30,110 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 561 transitions. [2018-11-18 14:32:30,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 14:32:30,111 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:30,346 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 14:32:31,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:31,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 434 states and 578 transitions. [2018-11-18 14:32:31,523 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 578 transitions. [2018-11-18 14:32:31,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 14:32:31,524 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:31,570 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 14:32:32,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:32,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 438 states and 584 transitions. [2018-11-18 14:32:32,242 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 584 transitions. [2018-11-18 14:32:32,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 14:32:32,243 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:32,325 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 14:32:32,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:32,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 452 states and 601 transitions. [2018-11-18 14:32:32,575 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 601 transitions. [2018-11-18 14:32:32,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 14:32:32,576 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:32,598 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 14:32:32,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:32,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 463 states and 613 transitions. [2018-11-18 14:32:32,635 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 613 transitions. [2018-11-18 14:32:32,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-18 14:32:32,636 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:32,938 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 71 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 14:32:34,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:34,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 512 states and 674 transitions. [2018-11-18 14:32:34,671 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 674 transitions. [2018-11-18 14:32:34,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-18 14:32:34,672 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:34,746 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 71 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 14:32:35,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:35,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 517 states and 678 transitions. [2018-11-18 14:32:35,175 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 678 transitions. [2018-11-18 14:32:35,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 14:32:35,175 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:35,206 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 14:32:35,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:35,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 539 states and 704 transitions. [2018-11-18 14:32:35,575 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 704 transitions. [2018-11-18 14:32:35,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 14:32:35,576 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:35,613 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 14:32:35,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:35,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 541 states and 706 transitions. [2018-11-18 14:32:35,808 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 706 transitions. [2018-11-18 14:32:35,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 14:32:35,808 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:35,840 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 14:32:35,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:35,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 548 states and 713 transitions. [2018-11-18 14:32:35,878 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 713 transitions. [2018-11-18 14:32:35,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 14:32:35,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:36,376 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:32:38,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:38,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 585 states and 762 transitions. [2018-11-18 14:32:38,137 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 762 transitions. [2018-11-18 14:32:38,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 14:32:38,138 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:38,213 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:32:38,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:38,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 591 states and 770 transitions. [2018-11-18 14:32:38,644 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 770 transitions. [2018-11-18 14:32:38,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 14:32:38,645 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:38,989 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:32:40,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:40,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 656 states and 837 transitions. [2018-11-18 14:32:40,455 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 837 transitions. [2018-11-18 14:32:40,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 14:32:40,456 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:40,476 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 14:32:40,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:40,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 670 states and 850 transitions. [2018-11-18 14:32:40,533 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 850 transitions. [2018-11-18 14:32:40,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 14:32:40,533 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:40,574 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 14:32:40,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:40,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 671 states and 850 transitions. [2018-11-18 14:32:40,600 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 850 transitions. [2018-11-18 14:32:40,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 14:32:40,601 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:41,019 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:32:42,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:42,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 709 states and 903 transitions. [2018-11-18 14:32:42,384 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 903 transitions. [2018-11-18 14:32:42,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 14:32:42,385 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:42,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:42,496 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:32:43,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:43,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 745 states and 938 transitions. [2018-11-18 14:32:43,086 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 938 transitions. [2018-11-18 14:32:43,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 14:32:43,086 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:43,119 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:32:43,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:43,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 784 states and 977 transitions. [2018-11-18 14:32:43,239 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 977 transitions. [2018-11-18 14:32:43,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 14:32:43,239 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:43,302 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 14:32:43,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:43,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 790 states and 983 transitions. [2018-11-18 14:32:43,401 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 983 transitions. [2018-11-18 14:32:43,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 14:32:43,401 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:43,664 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 102 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 14:32:44,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:44,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 799 states and 995 transitions. [2018-11-18 14:32:44,454 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 995 transitions. [2018-11-18 14:32:44,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 14:32:44,455 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:44,563 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 102 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 14:32:44,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:44,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 805 states and 1003 transitions. [2018-11-18 14:32:44,918 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1003 transitions. [2018-11-18 14:32:44,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 14:32:44,919 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:45,017 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 14:32:45,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:45,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 823 states and 1025 transitions. [2018-11-18 14:32:45,554 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1025 transitions. [2018-11-18 14:32:45,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 14:32:45,555 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:45,650 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 14:32:45,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:45,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 825 states and 1028 transitions. [2018-11-18 14:32:45,926 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1028 transitions. [2018-11-18 14:32:45,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 14:32:45,926 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:46,095 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 82 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:32:46,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:46,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 844 states and 1053 transitions. [2018-11-18 14:32:46,893 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1053 transitions. [2018-11-18 14:32:46,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 14:32:46,894 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:46,941 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 14:32:47,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:47,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 846 states and 1055 transitions. [2018-11-18 14:32:47,168 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1055 transitions. [2018-11-18 14:32:47,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-18 14:32:47,168 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:47,201 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 14:32:47,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:47,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 848 states and 1057 transitions. [2018-11-18 14:32:47,423 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1057 transitions. [2018-11-18 14:32:47,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-18 14:32:47,424 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:47,456 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 14:32:47,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:47,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 850 states and 1059 transitions. [2018-11-18 14:32:47,769 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1059 transitions. [2018-11-18 14:32:47,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 14:32:47,770 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:47,804 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 14:32:48,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:48,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 910 states and 1120 transitions. [2018-11-18 14:32:48,030 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1120 transitions. [2018-11-18 14:32:48,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 14:32:48,031 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:48,067 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 14:32:48,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:48,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 915 states and 1125 transitions. [2018-11-18 14:32:48,255 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1125 transitions. [2018-11-18 14:32:48,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-18 14:32:48,256 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:48,289 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 101 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 14:32:49,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:49,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 985 states and 1202 transitions. [2018-11-18 14:32:49,697 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1202 transitions. [2018-11-18 14:32:49,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-18 14:32:49,699 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:49,729 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 14:32:50,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:50,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 988 states and 1205 transitions. [2018-11-18 14:32:50,109 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1205 transitions. [2018-11-18 14:32:50,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-18 14:32:50,110 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:50,708 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 167 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:32:52,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:52,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1030 states and 1256 transitions. [2018-11-18 14:32:52,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1256 transitions. [2018-11-18 14:32:52,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-18 14:32:52,893 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:52,949 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 167 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:32:53,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:53,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 1036 states and 1262 transitions. [2018-11-18 14:32:53,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1262 transitions. [2018-11-18 14:32:53,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 14:32:53,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:53,925 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 179 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:32:56,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:56,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1056 states and 1294 transitions. [2018-11-18 14:32:56,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1294 transitions. [2018-11-18 14:32:56,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 14:32:56,425 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:56,489 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 179 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:32:57,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:57,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 1065 states and 1306 transitions. [2018-11-18 14:32:57,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1306 transitions. [2018-11-18 14:32:57,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 14:32:57,490 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:57,555 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 179 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:32:57,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:57,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 1067 states and 1309 transitions. [2018-11-18 14:32:57,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1309 transitions. [2018-11-18 14:32:57,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 14:32:57,778 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:58,020 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 160 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:32:59,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:32:59,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1095 states and 1343 transitions. [2018-11-18 14:32:59,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1343 transitions. [2018-11-18 14:32:59,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 14:32:59,708 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:32:59,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:32:59,774 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 160 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:33:00,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:33:00,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1103 states and 1351 transitions. [2018-11-18 14:33:00,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1351 transitions. [2018-11-18 14:33:00,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 14:33:00,679 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:33:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:33:01,250 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 14:33:02,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:33:02,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 1132 states and 1388 transitions. [2018-11-18 14:33:02,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1388 transitions. [2018-11-18 14:33:02,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 14:33:02,598 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:33:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:33:03,018 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:33:07,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:33:07,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1186 states and 1456 transitions. [2018-11-18 14:33:07,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1456 transitions. [2018-11-18 14:33:07,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 14:33:07,037 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:33:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:33:07,177 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:33:08,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:33:08,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1202 states and 1473 transitions. [2018-11-18 14:33:08,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1473 transitions. [2018-11-18 14:33:08,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 14:33:08,050 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:33:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:33:08,327 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 14:33:09,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:33:09,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1218 states and 1493 transitions. [2018-11-18 14:33:09,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1493 transitions. [2018-11-18 14:33:09,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 14:33:09,789 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:33:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:33:10,046 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 14:33:10,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:33:10,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1232 states and 1508 transitions. [2018-11-18 14:33:10,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1508 transitions. [2018-11-18 14:33:10,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 14:33:10,740 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:33:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:33:10,894 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:33:12,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:33:12,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1254 states and 1532 transitions. [2018-11-18 14:33:12,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1532 transitions. [2018-11-18 14:33:12,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-18 14:33:12,585 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:33:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:33:12,698 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 123 proven. 5 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 14:33:12,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:33:12,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1261 states and 1540 transitions. [2018-11-18 14:33:12,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1540 transitions. [2018-11-18 14:33:12,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-18 14:33:12,970 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:33:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:33:13,019 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 123 proven. 5 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 14:33:13,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:33:13,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1266 states and 1545 transitions. [2018-11-18 14:33:13,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1545 transitions. [2018-11-18 14:33:13,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 14:33:13,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:33:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:33:14,020 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:33:15,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:33:15,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1279 states and 1562 transitions. [2018-11-18 14:33:15,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1562 transitions. [2018-11-18 14:33:15,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 14:33:15,668 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:33:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:33:15,695 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-18 14:33:15,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:33:15,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1282 states and 1564 transitions. [2018-11-18 14:33:15,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1564 transitions. [2018-11-18 14:33:15,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 14:33:15,976 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:33:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:33:16,247 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:33:16,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:33:16,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1283 states and 1564 transitions. [2018-11-18 14:33:16,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1564 transitions. [2018-11-18 14:33:16,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 14:33:16,651 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:33:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:33:16,678 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-18 14:33:16,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:33:16,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1284 states and 1563 transitions. [2018-11-18 14:33:16,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1563 transitions. [2018-11-18 14:33:16,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 14:33:16,867 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:33:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:33:17,869 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 14:33:20,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:33:20,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1316 states and 1599 transitions. [2018-11-18 14:33:20,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1599 transitions. [2018-11-18 14:33:20,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 14:33:20,191 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:33:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:33:20,284 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 14:33:21,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:33:21,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 1332 states and 1615 transitions. [2018-11-18 14:33:21,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1615 transitions. [2018-11-18 14:33:21,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-18 14:33:21,614 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:33:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:33:21,789 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-18 14:33:22,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:33:22,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 1403 states and 1689 transitions. [2018-11-18 14:33:22,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1689 transitions. [2018-11-18 14:33:22,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-18 14:33:22,439 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:33:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:33:22,735 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 14:33:23,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:33:23,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1474 states and 1764 transitions. [2018-11-18 14:33:23,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 1764 transitions. [2018-11-18 14:33:23,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 14:33:23,746 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:33:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:33:24,489 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 14:33:26,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:33:26,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 1490 states and 1787 transitions. [2018-11-18 14:33:26,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 1787 transitions. [2018-11-18 14:33:26,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 14:33:26,323 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:33:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:33:26,500 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 14:33:26,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:33:26,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1494 states and 1792 transitions. [2018-11-18 14:33:26,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 1792 transitions. [2018-11-18 14:33:26,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 14:33:26,928 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:33:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:33:28,254 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-11-18 14:33:34,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:33:34,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1911 states to 1597 states and 1911 transitions. [2018-11-18 14:33:34,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 1911 transitions. [2018-11-18 14:33:34,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 14:33:34,495 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:33:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:33:34,631 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 14:33:35,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:33:35,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1600 states and 1913 transitions. [2018-11-18 14:33:35,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1600 states and 1913 transitions. [2018-11-18 14:33:35,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-11-18 14:33:35,060 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:33:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:33:35,577 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 274 proven. 50 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 14:33:38,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:33:38,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 1646 states and 1968 transitions. [2018-11-18 14:33:38,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 1968 transitions. [2018-11-18 14:33:38,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-11-18 14:33:38,633 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:33:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:33:38,740 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 274 proven. 50 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 14:33:40,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:33:40,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2002 states to 1682 states and 2002 transitions. [2018-11-18 14:33:40,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2002 transitions. [2018-11-18 14:33:40,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 14:33:40,828 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:33:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:33:40,888 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-18 14:33:45,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:33:45,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2056 states to 1719 states and 2056 transitions. [2018-11-18 14:33:45,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1719 states and 2056 transitions. [2018-11-18 14:33:45,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 14:33:45,477 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:33:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:33:45,541 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-18 14:33:47,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:33:47,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2078 states to 1736 states and 2078 transitions. [2018-11-18 14:33:47,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2078 transitions. [2018-11-18 14:33:47,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 14:33:47,479 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:33:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:33:48,223 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 14:33:51,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:33:51,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2106 states to 1763 states and 2106 transitions. [2018-11-18 14:33:51,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 2106 transitions. [2018-11-18 14:33:51,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-18 14:33:51,766 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:33:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:33:52,501 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 342 proven. 42 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 14:33:58,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:33:58,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 1806 states and 2165 transitions. [2018-11-18 14:33:58,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2165 transitions. [2018-11-18 14:33:58,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-18 14:33:58,532 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:33:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:33:58,635 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 342 proven. 42 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 14:34:00,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:34:00,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 1811 states and 2171 transitions. [2018-11-18 14:34:00,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2171 transitions. [2018-11-18 14:34:00,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-18 14:34:00,627 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:34:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:34:00,723 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 342 proven. 42 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 14:34:01,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:34:01,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2173 states to 1813 states and 2173 transitions. [2018-11-18 14:34:01,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2173 transitions. [2018-11-18 14:34:01,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-18 14:34:01,675 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:34:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:34:03,552 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 14:34:07,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:34:07,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2190 states to 1825 states and 2190 transitions. [2018-11-18 14:34:07,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2190 transitions. [2018-11-18 14:34:07,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-18 14:34:07,153 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:34:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:34:07,303 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 14:34:09,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:34:09,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2205 states to 1839 states and 2205 transitions. [2018-11-18 14:34:09,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2205 transitions. [2018-11-18 14:34:09,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-18 14:34:09,341 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:34:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:34:09,475 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 14:34:11,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:34:11,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2233 states to 1870 states and 2233 transitions. [2018-11-18 14:34:11,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2233 transitions. [2018-11-18 14:34:11,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-18 14:34:11,586 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:34:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:34:11,811 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 320 proven. 14 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-11-18 14:34:12,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:34:12,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2238 states to 1875 states and 2238 transitions. [2018-11-18 14:34:12,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 2238 transitions. [2018-11-18 14:34:12,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-18 14:34:12,724 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:34:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:34:14,250 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 14:34:19,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:34:19,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2284 states to 1917 states and 2284 transitions. [2018-11-18 14:34:19,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1917 states and 2284 transitions. [2018-11-18 14:34:19,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-18 14:34:19,777 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:34:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:34:19,933 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 14:34:21,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:34:21,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 1937 states and 2301 transitions. [2018-11-18 14:34:21,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1937 states and 2301 transitions. [2018-11-18 14:34:21,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-18 14:34:21,903 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:34:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:34:22,508 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 14:34:22,994 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2018-11-18 14:34:23,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:34:23,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 1939 states and 2303 transitions. [2018-11-18 14:34:23,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1939 states and 2303 transitions. [2018-11-18 14:34:23,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-18 14:34:23,748 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:34:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:34:23,892 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 14:34:25,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:34:25,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 1954 states and 2318 transitions. [2018-11-18 14:34:25,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2318 transitions. [2018-11-18 14:34:25,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-18 14:34:25,235 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:34:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:34:25,376 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 14:34:26,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:34:26,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2340 states to 1976 states and 2340 transitions. [2018-11-18 14:34:26,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1976 states and 2340 transitions. [2018-11-18 14:34:26,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-18 14:34:26,486 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:34:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:34:26,659 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 350 proven. 6 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 14:34:26,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:34:26,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2342 states to 1978 states and 2342 transitions. [2018-11-18 14:34:26,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2342 transitions. [2018-11-18 14:34:26,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-18 14:34:26,805 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:34:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:34:26,905 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 292 proven. 5 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2018-11-18 14:34:27,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:34:27,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 1984 states and 2349 transitions. [2018-11-18 14:34:27,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1984 states and 2349 transitions. [2018-11-18 14:34:27,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-11-18 14:34:27,162 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 14:34:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:34:27,377 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 438 proven. 10 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-11-18 14:34:28,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 14:34:28,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 1844 states and 2203 transitions. [2018-11-18 14:34:28,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1844 states and 2203 transitions. [2018-11-18 14:34:28,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:34:28,015 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 103 iterations. [2018-11-18 14:34:28,022 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 14:34:28,134 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 32 [2018-11-18 14:34:28,346 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 47 [2018-11-18 14:34:28,570 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 47 [2018-11-18 14:34:28,754 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 45 [2018-11-18 14:34:28,886 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 24 [2018-11-18 14:34:29,088 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 47 [2018-11-18 14:34:29,962 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 47 [2018-11-18 14:34:30,176 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 45 [2018-11-18 14:34:30,329 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 45 [2018-11-18 14:34:30,883 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 24 [2018-11-18 14:34:31,619 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 45 [2018-11-18 14:34:31,911 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 24 [2018-11-18 14:34:32,407 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 45 [2018-11-18 14:34:32,556 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 47 [2018-11-18 14:34:32,830 WARN L180 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 59 [2018-11-18 14:34:33,172 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 47 [2018-11-18 14:34:33,370 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 45 [2018-11-18 14:34:33,603 WARN L180 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 45 [2018-11-18 14:34:33,814 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 46 [2018-11-18 14:34:33,814 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 14:34:33,816 INFO L579 CodeCheckObserver]: Invariant with dag size 24 [2018-11-18 14:34:33,822 INFO L579 CodeCheckObserver]: Invariant with dag size 24 [2018-11-18 14:34:33,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 02:34:33 ImpRootNode [2018-11-18 14:34:33,823 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 14:34:33,823 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:34:33,823 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:34:33,823 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:34:33,823 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:32:22" (3/4) ... [2018-11-18 14:34:33,827 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:34:33,839 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 102 nodes and edges [2018-11-18 14:34:33,840 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 14:34:33,841 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-18 14:34:33,842 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 14:34:33,914 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a4d25068-44a7-43c8-b413-47df0acaa895/bin-2019/ukojak/witness.graphml [2018-11-18 14:34:33,915 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:34:33,915 INFO L168 Benchmark]: Toolchain (without parser) took 133568.87 ms. Allocated memory was 1.0 GB in the beginning and 3.7 GB in the end (delta: 2.7 GB). Free memory was 957.1 MB in the beginning and 3.3 GB in the end (delta: -2.3 GB). Peak memory consumption was 369.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:34:33,916 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:34:33,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.60 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 919.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:34:33,916 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 919.5 MB in the beginning and 1.1 GB in the end (delta: -201.1 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:34:33,916 INFO L168 Benchmark]: Boogie Preprocessor took 46.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:34:33,917 INFO L168 Benchmark]: RCFGBuilder took 1290.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 880.4 MB in the end (delta: 233.5 MB). Peak memory consumption was 233.5 MB. Max. memory is 11.5 GB. [2018-11-18 14:34:33,917 INFO L168 Benchmark]: CodeCheck took 131675.99 ms. Allocated memory was 1.2 GB in the beginning and 3.7 GB in the end (delta: 2.5 GB). Free memory was 880.4 MB in the beginning and 3.3 GB in the end (delta: -2.4 GB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. [2018-11-18 14:34:33,917 INFO L168 Benchmark]: Witness Printer took 91.87 ms. Allocated memory is still 3.7 GB. Free memory was 3.3 GB in the beginning and 3.3 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:34:33,921 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 1 procedures, 199 locations, 1 error locations. SAFE Result, 125.8s OverallTime, 103 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 272380940 SDtfs, 2100542710 SDslu, -2029185958 SDs, 0 SdLazy, -1716912260 SolverSat, 222071552 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 240.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 119106 GetRequests, 113361 SyntacticMatches, 4465 SemanticMatches, 1280 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1130975 ImplicationChecksByTransitivity, 111.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 16.7s InterpolantComputationTime, 18056 NumberOfCodeBlocks, 18056 NumberOfCodeBlocksAsserted, 102 NumberOfCheckSat, 17954 ConstructedInterpolants, 0 QuantifiedInterpolants, 26980850 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 102 InterpolantComputations, 65 PerfectInterpolantSequences, 18299/19151 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: 536]: 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: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((!(a17 == 1) || !(a7 == 1)) || !(a16 == 5)) || (((a21 <= 0 && a8 == 13) && a12 == 8) && a20 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((!(a7 == 1) || !(a16 == 5)) || !(a17 == 1)) || (((a21 <= 0 && a8 == 13) && a12 == 8) && a20 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 358.60 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 919.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 919.5 MB in the beginning and 1.1 GB in the end (delta: -201.1 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1290.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 880.4 MB in the end (delta: 233.5 MB). Peak memory consumption was 233.5 MB. Max. memory is 11.5 GB. * CodeCheck took 131675.99 ms. Allocated memory was 1.2 GB in the beginning and 3.7 GB in the end (delta: 2.5 GB). Free memory was 880.4 MB in the beginning and 3.3 GB in the end (delta: -2.4 GB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. * Witness Printer took 91.87 ms. Allocated memory is still 3.7 GB. Free memory was 3.3 GB in the beginning and 3.3 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...