./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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4928d422-dae9-4dc2-82b9-45081489e408/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4928d422-dae9-4dc2-82b9-45081489e408/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4928d422-dae9-4dc2-82b9-45081489e408/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4928d422-dae9-4dc2-82b9-45081489e408/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_4928d422-dae9-4dc2-82b9-45081489e408/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4928d422-dae9-4dc2-82b9-45081489e408/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 0.1.23-1dbac8b [2018-11-10 12:56:54,867 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:56:54,869 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:56:54,877 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:56:54,877 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:56:54,878 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:56:54,879 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:56:54,880 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:56:54,881 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:56:54,881 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:56:54,882 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:56:54,882 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:56:54,883 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:56:54,884 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:56:54,885 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:56:54,885 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:56:54,886 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:56:54,888 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:56:54,889 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:56:54,890 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:56:54,891 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:56:54,892 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:56:54,893 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:56:54,893 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:56:54,893 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:56:54,894 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:56:54,895 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:56:54,896 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:56:54,897 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:56:54,897 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:56:54,897 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:56:54,898 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:56:54,898 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:56:54,898 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:56:54,899 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:56:54,899 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:56:54,899 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4928d422-dae9-4dc2-82b9-45081489e408/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 12:56:54,911 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:56:54,911 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:56:54,912 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:56:54,912 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:56:54,912 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:56:54,913 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:56:54,913 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:56:54,913 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:56:54,913 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:56:54,913 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:56:54,913 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:56:54,914 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:56:54,915 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:56:54,915 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:56:54,915 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:56:54,915 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:56:54,916 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:56:54,916 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:56:54,916 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:56:54,916 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:56:54,917 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:56:54,917 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:56:54,917 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:56:54,917 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:56:54,918 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:56:54,918 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 12:56:54,918 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:56:54,918 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:56:54,918 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_4928d422-dae9-4dc2-82b9-45081489e408/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 [2018-11-10 12:56:54,949 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:56:54,959 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:56:54,962 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:56:54,964 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:56:54,964 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:56:54,965 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4928d422-dae9-4dc2-82b9-45081489e408/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label12_true-unreach-call_false-termination.c [2018-11-10 12:56:55,014 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4928d422-dae9-4dc2-82b9-45081489e408/bin-2019/ukojak/data/79e86f6da/09d1daefc4a7485a954518bd26c1f52d/FLAGdd5893e6f [2018-11-10 12:56:55,431 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:56:55,432 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4928d422-dae9-4dc2-82b9-45081489e408/sv-benchmarks/c/eca-rers2012/Problem01_label12_true-unreach-call_false-termination.c [2018-11-10 12:56:55,443 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4928d422-dae9-4dc2-82b9-45081489e408/bin-2019/ukojak/data/79e86f6da/09d1daefc4a7485a954518bd26c1f52d/FLAGdd5893e6f [2018-11-10 12:56:55,455 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4928d422-dae9-4dc2-82b9-45081489e408/bin-2019/ukojak/data/79e86f6da/09d1daefc4a7485a954518bd26c1f52d [2018-11-10 12:56:55,459 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:56:55,460 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:56:55,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:56:55,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:56:55,463 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:56:55,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:56:55" (1/1) ... [2018-11-10 12:56:55,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eeb45d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:56:55, skipping insertion in model container [2018-11-10 12:56:55,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:56:55" (1/1) ... [2018-11-10 12:56:55,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:56:55,516 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:56:55,781 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:56:55,784 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:56:55,858 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:56:55,873 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:56:55,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:56:55 WrapperNode [2018-11-10 12:56:55,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:56:55,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:56:55,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:56:55,874 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:56:55,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:56:55" (1/1) ... [2018-11-10 12:56:55,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:56:55" (1/1) ... [2018-11-10 12:56:55,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:56:55,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:56:55,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:56:55,994 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:56:56,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:56:55" (1/1) ... [2018-11-10 12:56:56,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:56:55" (1/1) ... [2018-11-10 12:56:56,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:56:55" (1/1) ... [2018-11-10 12:56:56,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:56:55" (1/1) ... [2018-11-10 12:56:56,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:56:55" (1/1) ... [2018-11-10 12:56:56,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:56:55" (1/1) ... [2018-11-10 12:56:56,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:56:55" (1/1) ... [2018-11-10 12:56:56,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:56:56,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:56:56,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:56:56,042 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:56:56,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:56:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4928d422-dae9-4dc2-82b9-45081489e408/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:56:56,104 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 12:56:56,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:56:56,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:56:57,802 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:56:57,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:56:57 BoogieIcfgContainer [2018-11-10 12:56:57,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:56:57,803 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:56:57,803 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:56:57,811 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:56:57,812 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:56:57" (1/1) ... [2018-11-10 12:56:57,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:56:57,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:56:57,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-10 12:56:57,853 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-10 12:56:57,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 12:56:57,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:56:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:56:58,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:56:58,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:56:58,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 147 states and 223 transitions. [2018-11-10 12:56:58,642 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 223 transitions. [2018-11-10 12:56:58,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-10 12:56:58,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:56:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:56:58,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:56:58,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:56:58,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 152 states and 229 transitions. [2018-11-10 12:56:58,891 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 229 transitions. [2018-11-10 12:56:58,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-10 12:56:58,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:56:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:56:58,937 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:56:59,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:56:59,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 158 states and 240 transitions. [2018-11-10 12:56:59,042 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 240 transitions. [2018-11-10 12:56:59,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-10 12:56:59,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:56:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:56:59,151 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:56:59,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:56:59,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 229 states and 320 transitions. [2018-11-10 12:56:59,543 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 320 transitions. [2018-11-10 12:56:59,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-10 12:56:59,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:56:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:56:59,684 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:57:00,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:00,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 240 states and 337 transitions. [2018-11-10 12:57:00,050 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 337 transitions. [2018-11-10 12:57:00,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-10 12:57:00,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:00,121 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 12:57:00,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:00,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 252 states and 357 transitions. [2018-11-10 12:57:00,659 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 357 transitions. [2018-11-10 12:57:00,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-10 12:57:00,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:00,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:00,690 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 12:57:00,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:00,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 256 states and 362 transitions. [2018-11-10 12:57:00,801 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 362 transitions. [2018-11-10 12:57:00,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-10 12:57:00,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:00,833 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 12:57:00,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:00,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 258 states and 363 transitions. [2018-11-10 12:57:00,984 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 363 transitions. [2018-11-10 12:57:00,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-10 12:57:00,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:01,018 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 12:57:01,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:01,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 262 states and 367 transitions. [2018-11-10 12:57:01,167 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 367 transitions. [2018-11-10 12:57:01,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-10 12:57:01,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:01,203 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 12:57:01,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:01,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 274 states and 382 transitions. [2018-11-10 12:57:01,402 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 382 transitions. [2018-11-10 12:57:01,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-10 12:57:01,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:01,424 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 12:57:01,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:01,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 276 states and 384 transitions. [2018-11-10 12:57:01,458 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 384 transitions. [2018-11-10 12:57:01,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-10 12:57:01,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:01,491 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 12:57:01,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:01,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 286 states and 398 transitions. [2018-11-10 12:57:01,880 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 398 transitions. [2018-11-10 12:57:01,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-10 12:57:01,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:01,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:01,959 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-10 12:57:02,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:02,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 294 states and 407 transitions. [2018-11-10 12:57:02,134 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 407 transitions. [2018-11-10 12:57:02,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-10 12:57:02,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:02,280 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 12:57:02,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:02,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 299 states and 412 transitions. [2018-11-10 12:57:02,580 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 412 transitions. [2018-11-10 12:57:02,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-10 12:57:02,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:02,667 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:57:02,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:02,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 314 states and 429 transitions. [2018-11-10 12:57:02,966 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 429 transitions. [2018-11-10 12:57:02,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-10 12:57:02,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:03,130 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 12:57:03,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:03,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 320 states and 440 transitions. [2018-11-10 12:57:03,655 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 440 transitions. [2018-11-10 12:57:03,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-10 12:57:03,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:03,682 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 12:57:03,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:03,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 321 states and 440 transitions. [2018-11-10 12:57:03,858 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 440 transitions. [2018-11-10 12:57:03,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-10 12:57:03,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:03,914 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 12:57:04,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:04,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 338 states and 458 transitions. [2018-11-10 12:57:04,208 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 458 transitions. [2018-11-10 12:57:04,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-10 12:57:04,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:04,338 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:57:04,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:04,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 369 states and 494 transitions. [2018-11-10 12:57:04,879 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 494 transitions. [2018-11-10 12:57:04,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-10 12:57:04,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:04,945 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 12:57:05,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:05,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 383 states and 509 transitions. [2018-11-10 12:57:05,172 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 509 transitions. [2018-11-10 12:57:05,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-10 12:57:05,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:05,201 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 12:57:05,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:05,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 386 states and 513 transitions. [2018-11-10 12:57:05,373 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 513 transitions. [2018-11-10 12:57:05,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-10 12:57:05,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:05,670 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 12:57:06,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:06,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 400 states and 528 transitions. [2018-11-10 12:57:06,163 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 528 transitions. [2018-11-10 12:57:06,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-10 12:57:06,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:06,206 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 12:57:06,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:06,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 414 states and 550 transitions. [2018-11-10 12:57:06,852 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 550 transitions. [2018-11-10 12:57:06,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-10 12:57:06,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:06,878 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 12:57:07,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:07,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 420 states and 557 transitions. [2018-11-10 12:57:07,169 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 557 transitions. [2018-11-10 12:57:07,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-10 12:57:07,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:07,198 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 12:57:07,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:07,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 424 states and 561 transitions. [2018-11-10 12:57:07,384 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 561 transitions. [2018-11-10 12:57:07,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-10 12:57:07,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:07,654 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 12:57:08,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:08,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 432 states and 575 transitions. [2018-11-10 12:57:08,796 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 575 transitions. [2018-11-10 12:57:08,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-10 12:57:08,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:08,856 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 12:57:09,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:09,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 438 states and 584 transitions. [2018-11-10 12:57:09,779 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 584 transitions. [2018-11-10 12:57:09,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-10 12:57:09,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:09,867 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 12:57:10,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:10,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 452 states and 601 transitions. [2018-11-10 12:57:10,145 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 601 transitions. [2018-11-10 12:57:10,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-10 12:57:10,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:10,172 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 12:57:10,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:10,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 463 states and 613 transitions. [2018-11-10 12:57:10,221 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 613 transitions. [2018-11-10 12:57:10,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-10 12:57:10,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:10,498 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 71 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 12:57:12,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:12,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 512 states and 674 transitions. [2018-11-10 12:57:12,335 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 674 transitions. [2018-11-10 12:57:12,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-10 12:57:12,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:12,469 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 71 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 12:57:12,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:12,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 517 states and 678 transitions. [2018-11-10 12:57:12,890 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 678 transitions. [2018-11-10 12:57:12,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-10 12:57:12,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:12,914 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 12:57:13,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:13,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 539 states and 704 transitions. [2018-11-10 12:57:13,211 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 704 transitions. [2018-11-10 12:57:13,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-10 12:57:13,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:13,249 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-10 12:57:13,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:13,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 541 states and 706 transitions. [2018-11-10 12:57:13,454 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 706 transitions. [2018-11-10 12:57:13,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-10 12:57:13,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:13,488 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 12:57:13,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:13,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 548 states and 713 transitions. [2018-11-10 12:57:13,535 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 713 transitions. [2018-11-10 12:57:13,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-10 12:57:13,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:13,894 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:57:15,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:15,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 585 states and 762 transitions. [2018-11-10 12:57:15,461 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 762 transitions. [2018-11-10 12:57:15,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-10 12:57:15,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:15,540 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:57:16,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:16,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 591 states and 770 transitions. [2018-11-10 12:57:16,047 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 770 transitions. [2018-11-10 12:57:16,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-10 12:57:16,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:16,510 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:57:18,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:18,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 656 states and 837 transitions. [2018-11-10 12:57:18,191 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 837 transitions. [2018-11-10 12:57:18,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-10 12:57:18,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:18,228 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 12:57:18,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:18,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 670 states and 850 transitions. [2018-11-10 12:57:18,299 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 850 transitions. [2018-11-10 12:57:18,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-10 12:57:18,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:18,382 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-10 12:57:18,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:18,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 671 states and 850 transitions. [2018-11-10 12:57:18,427 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 850 transitions. [2018-11-10 12:57:18,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 12:57:18,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:18,888 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:57:20,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:20,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 709 states and 903 transitions. [2018-11-10 12:57:20,476 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 903 transitions. [2018-11-10 12:57:20,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 12:57:20,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:20,585 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:57:21,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:21,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 745 states and 938 transitions. [2018-11-10 12:57:21,307 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 938 transitions. [2018-11-10 12:57:21,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 12:57:21,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:21,354 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:57:21,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:21,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 784 states and 977 transitions. [2018-11-10 12:57:21,487 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 977 transitions. [2018-11-10 12:57:21,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-10 12:57:21,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:21,552 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-10 12:57:21,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:21,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 790 states and 983 transitions. [2018-11-10 12:57:21,667 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 983 transitions. [2018-11-10 12:57:21,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-10 12:57:21,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:21,929 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 102 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:57:22,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:22,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 799 states and 995 transitions. [2018-11-10 12:57:22,755 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 995 transitions. [2018-11-10 12:57:22,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-10 12:57:22,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:22,892 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 102 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:57:23,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:23,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 805 states and 1003 transitions. [2018-11-10 12:57:23,277 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1003 transitions. [2018-11-10 12:57:23,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-10 12:57:23,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:23,386 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 12:57:23,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:23,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 823 states and 1025 transitions. [2018-11-10 12:57:23,992 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1025 transitions. [2018-11-10 12:57:23,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-10 12:57:23,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:24,109 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 12:57:24,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:24,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 825 states and 1028 transitions. [2018-11-10 12:57:24,407 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1028 transitions. [2018-11-10 12:57:24,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-10 12:57:24,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:24,580 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 82 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:57:25,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:25,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 844 states and 1053 transitions. [2018-11-10 12:57:25,505 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1053 transitions. [2018-11-10 12:57:25,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 12:57:25,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:25,555 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-10 12:57:25,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:25,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 846 states and 1055 transitions. [2018-11-10 12:57:25,763 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1055 transitions. [2018-11-10 12:57:25,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-10 12:57:25,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:25,805 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 12:57:26,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:26,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 848 states and 1057 transitions. [2018-11-10 12:57:26,052 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1057 transitions. [2018-11-10 12:57:26,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-10 12:57:26,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:26,094 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 12:57:26,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:26,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 850 states and 1059 transitions. [2018-11-10 12:57:26,520 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1059 transitions. [2018-11-10 12:57:26,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-10 12:57:26,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:26,566 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 12:57:26,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:26,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 915 states and 1125 transitions. [2018-11-10 12:57:26,984 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1125 transitions. [2018-11-10 12:57:26,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-10 12:57:26,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:27,031 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 101 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-10 12:57:28,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:28,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 985 states and 1202 transitions. [2018-11-10 12:57:28,691 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1202 transitions. [2018-11-10 12:57:28,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-10 12:57:28,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:28,740 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-10 12:57:29,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:29,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 988 states and 1205 transitions. [2018-11-10 12:57:29,183 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1205 transitions. [2018-11-10 12:57:29,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-10 12:57:29,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:29,890 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 167 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:57:32,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:32,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1030 states and 1256 transitions. [2018-11-10 12:57:32,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1256 transitions. [2018-11-10 12:57:32,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-10 12:57:32,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:32,375 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 167 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:57:32,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:32,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 1036 states and 1262 transitions. [2018-11-10 12:57:32,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1262 transitions. [2018-11-10 12:57:32,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-10 12:57:32,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:33,413 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 179 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:57:36,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:36,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1056 states and 1294 transitions. [2018-11-10 12:57:36,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1294 transitions. [2018-11-10 12:57:36,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-10 12:57:36,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:36,232 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 179 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:57:37,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:37,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 1065 states and 1306 transitions. [2018-11-10 12:57:37,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1306 transitions. [2018-11-10 12:57:37,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-10 12:57:37,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:37,490 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 179 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:57:37,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:37,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 1067 states and 1309 transitions. [2018-11-10 12:57:37,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1309 transitions. [2018-11-10 12:57:37,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 12:57:37,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:38,081 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 160 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:57:40,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:40,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1095 states and 1343 transitions. [2018-11-10 12:57:40,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1343 transitions. [2018-11-10 12:57:40,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 12:57:40,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:40,112 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 160 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:57:41,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:41,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1103 states and 1351 transitions. [2018-11-10 12:57:41,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1351 transitions. [2018-11-10 12:57:41,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 12:57:41,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:41,895 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 12:57:43,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:43,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 1132 states and 1388 transitions. [2018-11-10 12:57:43,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1388 transitions. [2018-11-10 12:57:43,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 12:57:43,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:43,668 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:57:48,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:48,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1186 states and 1456 transitions. [2018-11-10 12:57:48,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1456 transitions. [2018-11-10 12:57:48,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 12:57:48,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:48,236 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:57:49,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:49,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1202 states and 1473 transitions. [2018-11-10 12:57:49,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1473 transitions. [2018-11-10 12:57:49,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 12:57:49,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:49,446 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:57:50,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:50,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1216 states and 1488 transitions. [2018-11-10 12:57:50,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1488 transitions. [2018-11-10 12:57:50,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 12:57:50,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:50,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:50,641 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 12:57:51,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:51,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 1230 states and 1504 transitions. [2018-11-10 12:57:51,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1504 transitions. [2018-11-10 12:57:51,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 12:57:51,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:51,718 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 12:57:52,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:52,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1232 states and 1507 transitions. [2018-11-10 12:57:52,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1507 transitions. [2018-11-10 12:57:52,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 12:57:52,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:52,323 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:57:53,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:53,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1240 states and 1516 transitions. [2018-11-10 12:57:53,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1516 transitions. [2018-11-10 12:57:53,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 12:57:53,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:53,358 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 12:57:54,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:54,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1254 states and 1532 transitions. [2018-11-10 12:57:54,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1532 transitions. [2018-11-10 12:57:54,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-10 12:57:54,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:54,571 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 123 proven. 5 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 12:57:54,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:54,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1261 states and 1540 transitions. [2018-11-10 12:57:54,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1540 transitions. [2018-11-10 12:57:54,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-10 12:57:54,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:54,927 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 123 proven. 5 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 12:57:55,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:55,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1266 states and 1545 transitions. [2018-11-10 12:57:55,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1545 transitions. [2018-11-10 12:57:55,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-10 12:57:55,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:56,080 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:57:58,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:58,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1279 states and 1562 transitions. [2018-11-10 12:57:58,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1562 transitions. [2018-11-10 12:57:58,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-10 12:57:58,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:58,258 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:57:59,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:59,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1284 states and 1567 transitions. [2018-11-10 12:57:59,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1567 transitions. [2018-11-10 12:57:59,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-10 12:57:59,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:57:59,169 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-10 12:57:59,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:57:59,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1286 states and 1567 transitions. [2018-11-10 12:57:59,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1567 transitions. [2018-11-10 12:57:59,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-10 12:57:59,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:57:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:00,796 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 12:58:03,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:03,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1318 states and 1603 transitions. [2018-11-10 12:58:03,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1603 transitions. [2018-11-10 12:58:03,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-10 12:58:03,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:03,405 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 12:58:04,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:04,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1334 states and 1619 transitions. [2018-11-10 12:58:04,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1619 transitions. [2018-11-10 12:58:04,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-10 12:58:04,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:05,328 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-10 12:58:06,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:06,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1405 states and 1693 transitions. [2018-11-10 12:58:06,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 1693 transitions. [2018-11-10 12:58:06,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-10 12:58:06,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:06,516 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-10 12:58:07,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:07,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1768 states to 1476 states and 1768 transitions. [2018-11-10 12:58:07,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1768 transitions. [2018-11-10 12:58:07,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 12:58:07,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:08,249 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 12:58:10,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:10,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1790 states to 1493 states and 1790 transitions. [2018-11-10 12:58:10,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 1790 transitions. [2018-11-10 12:58:10,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 12:58:10,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:10,812 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 12:58:11,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:11,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1497 states and 1795 transitions. [2018-11-10 12:58:11,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 1795 transitions. [2018-11-10 12:58:11,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 12:58:11,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:12,577 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-11-10 12:58:20,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:20,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1919 states to 1602 states and 1919 transitions. [2018-11-10 12:58:20,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 1919 transitions. [2018-11-10 12:58:20,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 12:58:20,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:20,272 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 12:58:20,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:20,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1922 states to 1604 states and 1922 transitions. [2018-11-10 12:58:20,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 1922 transitions. [2018-11-10 12:58:20,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-11-10 12:58:20,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:21,244 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 274 proven. 50 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 12:58:24,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:24,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1977 states to 1650 states and 1977 transitions. [2018-11-10 12:58:24,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 1977 transitions. [2018-11-10 12:58:24,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-11-10 12:58:24,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:24,603 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 274 proven. 50 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 12:58:27,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:27,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2011 states to 1686 states and 2011 transitions. [2018-11-10 12:58:27,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1686 states and 2011 transitions. [2018-11-10 12:58:27,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-10 12:58:27,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:27,081 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-10 12:58:32,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:32,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2065 states to 1723 states and 2065 transitions. [2018-11-10 12:58:32,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1723 states and 2065 transitions. [2018-11-10 12:58:32,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-10 12:58:32,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:32,416 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-11-10 12:58:34,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:34,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 1740 states and 2087 transitions. [2018-11-10 12:58:34,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2087 transitions. [2018-11-10 12:58:34,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-10 12:58:34,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:35,216 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 12:58:37,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:37,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2110 states to 1761 states and 2110 transitions. [2018-11-10 12:58:37,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 2110 transitions. [2018-11-10 12:58:37,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-10 12:58:37,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:38,382 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 12:58:39,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:39,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2112 states to 1763 states and 2112 transitions. [2018-11-10 12:58:39,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 2112 transitions. [2018-11-10 12:58:39,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-10 12:58:39,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:39,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:39,427 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 12:58:40,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:40,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 1767 states and 2115 transitions. [2018-11-10 12:58:40,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 2115 transitions. [2018-11-10 12:58:40,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-10 12:58:40,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:40,992 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 342 proven. 42 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 12:58:47,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:47,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 1810 states and 2174 transitions. [2018-11-10 12:58:47,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 2174 transitions. [2018-11-10 12:58:47,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-10 12:58:47,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:47,711 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 342 proven. 42 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 12:58:50,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:50,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 1815 states and 2180 transitions. [2018-11-10 12:58:50,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2180 transitions. [2018-11-10 12:58:50,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-10 12:58:50,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:50,137 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 342 proven. 42 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 12:58:51,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:51,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 1817 states and 2182 transitions. [2018-11-10 12:58:51,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 2182 transitions. [2018-11-10 12:58:51,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-10 12:58:51,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:53,156 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-10 12:58:57,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:58:57,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 1837 states and 2206 transitions. [2018-11-10 12:58:57,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 2206 transitions. [2018-11-10 12:58:57,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-10 12:58:57,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:58:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:58:57,531 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-10 12:59:00,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:00,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 1860 states and 2229 transitions. [2018-11-10 12:59:00,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1860 states and 2229 transitions. [2018-11-10 12:59:00,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-10 12:59:00,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:59:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:59:00,657 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-10 12:59:01,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:01,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 1874 states and 2242 transitions. [2018-11-10 12:59:01,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1874 states and 2242 transitions. [2018-11-10 12:59:01,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-10 12:59:01,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:59:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:59:02,015 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 320 proven. 14 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-11-10 12:59:02,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:02,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2247 states to 1879 states and 2247 transitions. [2018-11-10 12:59:02,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 2247 transitions. [2018-11-10 12:59:02,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-10 12:59:02,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:59:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:59:04,625 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-10 12:59:10,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:10,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2293 states to 1921 states and 2293 transitions. [2018-11-10 12:59:10,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1921 states and 2293 transitions. [2018-11-10 12:59:10,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-10 12:59:10,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:59:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:59:10,567 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-10 12:59:12,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:12,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2310 states to 1941 states and 2310 transitions. [2018-11-10 12:59:12,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1941 states and 2310 transitions. [2018-11-10 12:59:12,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-10 12:59:12,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:59:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:59:13,433 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 12:59:15,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:15,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2334 states to 1965 states and 2334 transitions. [2018-11-10 12:59:15,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 2334 transitions. [2018-11-10 12:59:15,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-10 12:59:15,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:59:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:59:16,147 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 12:59:17,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:17,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 1980 states and 2349 transitions. [2018-11-10 12:59:17,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1980 states and 2349 transitions. [2018-11-10 12:59:17,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-10 12:59:17,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:59:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:59:17,946 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 350 proven. 6 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-10 12:59:18,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:18,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2351 states to 1982 states and 2351 transitions. [2018-11-10 12:59:18,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1982 states and 2351 transitions. [2018-11-10 12:59:18,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-10 12:59:18,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:59:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:59:18,260 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 292 proven. 5 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2018-11-10 12:59:18,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:18,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2359 states to 1988 states and 2359 transitions. [2018-11-10 12:59:18,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1988 states and 2359 transitions. [2018-11-10 12:59:18,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-10 12:59:18,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:59:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:59:19,061 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 292 proven. 5 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2018-11-10 12:59:19,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:19,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 1989 states and 2360 transitions. [2018-11-10 12:59:19,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1989 states and 2360 transitions. [2018-11-10 12:59:19,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-11-10 12:59:19,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:59:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:59:19,732 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 438 proven. 10 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-11-10 12:59:23,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:59:23,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2279 states to 1914 states and 2279 transitions. [2018-11-10 12:59:23,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2279 transitions. [2018-11-10 12:59:23,959 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:59:23,959 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 105 iterations. [2018-11-10 12:59:23,969 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 12:59:24,084 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 32 [2018-11-10 12:59:24,348 WARN L179 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 47 [2018-11-10 12:59:24,605 WARN L179 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 47 [2018-11-10 12:59:24,810 WARN L179 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 45 [2018-11-10 12:59:24,950 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 24 [2018-11-10 12:59:25,177 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 47 [2018-11-10 12:59:26,137 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 47 [2018-11-10 12:59:26,369 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 45 [2018-11-10 12:59:26,534 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 45 [2018-11-10 12:59:27,162 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 24 [2018-11-10 12:59:27,981 WARN L179 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 45 [2018-11-10 12:59:28,300 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 24 [2018-11-10 12:59:28,611 WARN L179 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 32 [2018-11-10 12:59:28,937 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 45 [2018-11-10 12:59:29,100 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 47 [2018-11-10 12:59:29,389 WARN L179 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 59 [2018-11-10 12:59:29,759 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 47 [2018-11-10 12:59:29,966 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 45 [2018-11-10 12:59:30,132 WARN L179 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 45 [2018-11-10 12:59:30,353 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 46 [2018-11-10 12:59:30,353 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:59:30,355 INFO L582 CodeCheckObserver]: Invariant with dag size 24 [2018-11-10 12:59:30,361 INFO L582 CodeCheckObserver]: Invariant with dag size 24 [2018-11-10 12:59:30,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:59:30 ImpRootNode [2018-11-10 12:59:30,363 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 12:59:30,363 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:59:30,363 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:59:30,364 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:59:30,364 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:56:57" (3/4) ... [2018-11-10 12:59:30,369 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:59:30,384 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 102 nodes and edges [2018-11-10 12:59:30,385 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 12:59:30,385 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-10 12:59:30,387 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 12:59:30,484 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4928d422-dae9-4dc2-82b9-45081489e408/bin-2019/ukojak/witness.graphml [2018-11-10 12:59:30,485 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:59:30,485 INFO L168 Benchmark]: Toolchain (without parser) took 155026.12 ms. Allocated memory was 1.0 GB in the beginning and 3.8 GB in the end (delta: 2.8 GB). Free memory was 952.8 MB in the beginning and 2.8 GB in the end (delta: -1.9 GB). Peak memory consumption was 939.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:59:30,486 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:59:30,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 413.31 ms. Allocated memory is still 1.0 GB. Free memory was 952.8 MB in the beginning and 923.3 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:59:30,486 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 923.3 MB in the beginning and 1.1 GB in the end (delta: -223.9 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:59:30,487 INFO L168 Benchmark]: Boogie Preprocessor took 48.17 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-10 12:59:30,487 INFO L168 Benchmark]: RCFGBuilder took 1760.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 910.1 MB in the end (delta: 230.2 MB). Peak memory consumption was 230.2 MB. Max. memory is 11.5 GB. [2018-11-10 12:59:30,487 INFO L168 Benchmark]: CodeCheck took 152560.00 ms. Allocated memory was 1.2 GB in the beginning and 3.8 GB in the end (delta: 2.7 GB). Free memory was 910.1 MB in the beginning and 2.8 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. [2018-11-10 12:59:30,487 INFO L168 Benchmark]: Witness Printer took 121.32 ms. Allocated memory is still 3.8 GB. Free memory is still 2.8 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:59:30,489 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, 146.1s OverallTime, 105 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1089483796 SDtfs, -101048546 SDslu, 471405722 SDs, 0 SdLazy, -487560420 SolverSat, -1445616884 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 292.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122403 GetRequests, 116406 SyntacticMatches, 4691 SemanticMatches, 1306 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1218048 ImplicationChecksByTransitivity, 128.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 19.5s InterpolantComputationTime, 18614 NumberOfCodeBlocks, 18614 NumberOfCodeBlocksAsserted, 104 NumberOfCheckSat, 18510 ConstructedInterpolants, 0 QuantifiedInterpolants, 27897501 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 104 InterpolantComputations, 64 PerfectInterpolantSequences, 19105/20048 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)) || (((a21 <= 0 && a8 == 13) && a12 == 8) && a20 == 1)) || !(a17 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 413.31 ms. Allocated memory is still 1.0 GB. Free memory was 952.8 MB in the beginning and 923.3 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 119.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 923.3 MB in the beginning and 1.1 GB in the end (delta: -223.9 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.17 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1760.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 910.1 MB in the end (delta: 230.2 MB). Peak memory consumption was 230.2 MB. Max. memory is 11.5 GB. * CodeCheck took 152560.00 ms. Allocated memory was 1.2 GB in the beginning and 3.8 GB in the end (delta: 2.7 GB). Free memory was 910.1 MB in the beginning and 2.8 GB in the end (delta: -1.9 GB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. * Witness Printer took 121.32 ms. Allocated memory is still 3.8 GB. Free memory is still 2.8 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...