./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label17_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f7c0c97c-ab77-4028-9f52-b76985d331c2/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f7c0c97c-ab77-4028-9f52-b76985d331c2/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f7c0c97c-ab77-4028-9f52-b76985d331c2/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f7c0c97c-ab77-4028-9f52-b76985d331c2/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label17_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f7c0c97c-ab77-4028-9f52-b76985d331c2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f7c0c97c-ab77-4028-9f52-b76985d331c2/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 3bc052be4bf83a6b89bc47d6157f3742948fabcf ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 10:24:27,839 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:24:27,840 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:24:27,846 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:24:27,847 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:24:27,847 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:24:27,848 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:24:27,849 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:24:27,849 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:24:27,850 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:24:27,851 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:24:27,851 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:24:27,852 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:24:27,852 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:24:27,853 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:24:27,854 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:24:27,854 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:24:27,855 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:24:27,857 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:24:27,858 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:24:27,858 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:24:27,859 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:24:27,861 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:24:27,861 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:24:27,861 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:24:27,862 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:24:27,862 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:24:27,863 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:24:27,863 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:24:27,864 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:24:27,864 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:24:27,864 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:24:27,864 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:24:27,864 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:24:27,865 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:24:27,865 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:24:27,865 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f7c0c97c-ab77-4028-9f52-b76985d331c2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 10:24:27,873 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:24:27,873 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:24:27,873 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:24:27,873 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 10:24:27,874 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:24:27,874 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:24:27,874 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:24:27,874 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:24:27,874 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:24:27,874 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:24:27,874 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:24:27,874 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:24:27,874 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:24:27,874 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:24:27,875 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:24:27,875 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:24:27,875 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:24:27,875 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:24:27,875 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 10:24:27,875 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 10:24:27,875 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:24:27,875 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:24:27,875 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 10:24:27,875 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:24:27,876 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:24:27,876 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:24:27,876 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 10:24:27,876 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:24:27,876 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:24:27,876 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_f7c0c97c-ab77-4028-9f52-b76985d331c2/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 -> 3bc052be4bf83a6b89bc47d6157f3742948fabcf [2018-11-18 10:24:27,900 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:24:27,910 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:24:27,912 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:24:27,914 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:24:27,914 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:24:27,915 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f7c0c97c-ab77-4028-9f52-b76985d331c2/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label17_true-unreach-call_false-termination.c [2018-11-18 10:24:27,962 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f7c0c97c-ab77-4028-9f52-b76985d331c2/bin-2019/ukojak/data/e4084115b/92a60d3b603b4a8b8664583ea4823c85/FLAG6d6985a7d [2018-11-18 10:24:28,338 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:24:28,339 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f7c0c97c-ab77-4028-9f52-b76985d331c2/sv-benchmarks/c/eca-rers2012/Problem02_label17_true-unreach-call_false-termination.c [2018-11-18 10:24:28,348 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f7c0c97c-ab77-4028-9f52-b76985d331c2/bin-2019/ukojak/data/e4084115b/92a60d3b603b4a8b8664583ea4823c85/FLAG6d6985a7d [2018-11-18 10:24:28,360 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f7c0c97c-ab77-4028-9f52-b76985d331c2/bin-2019/ukojak/data/e4084115b/92a60d3b603b4a8b8664583ea4823c85 [2018-11-18 10:24:28,362 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:24:28,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:24:28,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:24:28,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:24:28,366 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:24:28,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:24:28" (1/1) ... [2018-11-18 10:24:28,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3275144b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:24:28, skipping insertion in model container [2018-11-18 10:24:28,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:24:28" (1/1) ... [2018-11-18 10:24:28,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:24:28,407 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:24:28,657 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:24:28,661 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:24:28,727 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:24:28,738 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:24:28,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:24:28 WrapperNode [2018-11-18 10:24:28,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:24:28,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:24:28,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:24:28,739 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:24:28,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:24:28" (1/1) ... [2018-11-18 10:24:28,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:24:28" (1/1) ... [2018-11-18 10:24:28,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:24:28,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:24:28,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:24:28,847 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:24:28,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:24:28" (1/1) ... [2018-11-18 10:24:28,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:24:28" (1/1) ... [2018-11-18 10:24:28,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:24:28" (1/1) ... [2018-11-18 10:24:28,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:24:28" (1/1) ... [2018-11-18 10:24:28,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:24:28" (1/1) ... [2018-11-18 10:24:28,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:24:28" (1/1) ... [2018-11-18 10:24:28,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:24:28" (1/1) ... [2018-11-18 10:24:28,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:24:28,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:24:28,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:24:28,891 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:24:28,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:24:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7c0c97c-ab77-4028-9f52-b76985d331c2/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 10:24:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 10:24:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:24:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:24:30,349 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:24:30,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:24:30 BoogieIcfgContainer [2018-11-18 10:24:30,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:24:30,350 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 10:24:30,350 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 10:24:30,358 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 10:24:30,358 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:24:30" (1/1) ... [2018-11-18 10:24:30,366 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:24:30,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:30,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-18 10:24:30,393 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-18 10:24:30,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 10:24:30,396 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:30,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:24:31,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:31,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 165 states and 243 transitions. [2018-11-18 10:24:31,053 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 243 transitions. [2018-11-18 10:24:31,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 10:24:31,055 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:31,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 10:24:31,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:31,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 166 states and 244 transitions. [2018-11-18 10:24:31,284 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 244 transitions. [2018-11-18 10:24:31,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 10:24:31,286 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:31,356 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:24:31,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:31,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 184 states and 271 transitions. [2018-11-18 10:24:31,503 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 271 transitions. [2018-11-18 10:24:31,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 10:24:31,505 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:31,557 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:24:31,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:31,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 206 states and 297 transitions. [2018-11-18 10:24:31,767 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 297 transitions. [2018-11-18 10:24:31,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 10:24:31,770 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:31,858 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:24:32,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:32,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 225 states and 325 transitions. [2018-11-18 10:24:32,212 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 325 transitions. [2018-11-18 10:24:32,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 10:24:32,218 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:32,244 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:24:32,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:32,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 230 states and 331 transitions. [2018-11-18 10:24:32,409 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 331 transitions. [2018-11-18 10:24:32,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 10:24:32,414 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:32,442 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:24:32,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:32,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 234 states and 335 transitions. [2018-11-18 10:24:32,475 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 335 transitions. [2018-11-18 10:24:32,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 10:24:32,476 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:32,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:32,502 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 10:24:32,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:32,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 235 states and 337 transitions. [2018-11-18 10:24:32,615 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 337 transitions. [2018-11-18 10:24:32,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 10:24:32,616 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:32,641 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 10:24:32,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:32,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 253 states and 356 transitions. [2018-11-18 10:24:32,926 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 356 transitions. [2018-11-18 10:24:32,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 10:24:32,926 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:32,946 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:24:33,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:33,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 258 states and 362 transitions. [2018-11-18 10:24:33,136 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 362 transitions. [2018-11-18 10:24:33,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 10:24:33,137 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:33,191 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:24:33,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:33,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 338 states and 459 transitions. [2018-11-18 10:24:33,580 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 459 transitions. [2018-11-18 10:24:33,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-18 10:24:33,580 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:33,702 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:24:34,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:34,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 369 states and 498 transitions. [2018-11-18 10:24:34,164 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 498 transitions. [2018-11-18 10:24:34,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 10:24:34,165 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:34,193 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:24:34,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:34,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 388 states and 519 transitions. [2018-11-18 10:24:34,520 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 519 transitions. [2018-11-18 10:24:34,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 10:24:34,521 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:34,613 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:24:34,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:34,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 395 states and 530 transitions. [2018-11-18 10:24:34,815 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 530 transitions. [2018-11-18 10:24:34,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 10:24:34,815 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:34,908 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:24:35,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:35,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 426 states and 566 transitions. [2018-11-18 10:24:35,744 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 566 transitions. [2018-11-18 10:24:35,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 10:24:35,745 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:35,801 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:24:35,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:35,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 430 states and 570 transitions. [2018-11-18 10:24:35,900 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 570 transitions. [2018-11-18 10:24:35,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 10:24:35,901 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:35,931 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:24:35,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:35,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 435 states and 575 transitions. [2018-11-18 10:24:35,954 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 575 transitions. [2018-11-18 10:24:35,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 10:24:35,955 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:35,977 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:24:36,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:36,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 448 states and 589 transitions. [2018-11-18 10:24:36,066 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 589 transitions. [2018-11-18 10:24:36,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 10:24:36,066 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:36,089 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:24:36,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:36,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 467 states and 611 transitions. [2018-11-18 10:24:36,308 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 611 transitions. [2018-11-18 10:24:36,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 10:24:36,309 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:36,338 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:24:36,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:36,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 471 states and 614 transitions. [2018-11-18 10:24:36,432 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 614 transitions. [2018-11-18 10:24:36,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 10:24:36,432 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:36,454 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:24:36,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:36,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 476 states and 618 transitions. [2018-11-18 10:24:36,475 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 618 transitions. [2018-11-18 10:24:36,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 10:24:36,475 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:36,546 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 10:24:36,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:36,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 478 states and 621 transitions. [2018-11-18 10:24:36,759 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 621 transitions. [2018-11-18 10:24:36,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 10:24:36,759 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:36,870 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 10:24:37,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:37,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 492 states and 636 transitions. [2018-11-18 10:24:37,215 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 636 transitions. [2018-11-18 10:24:37,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 10:24:37,216 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:37,259 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:24:37,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:37,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 497 states and 642 transitions. [2018-11-18 10:24:37,490 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 642 transitions. [2018-11-18 10:24:37,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 10:24:37,491 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:37,814 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 80 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 10:24:38,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:38,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 539 states and 695 transitions. [2018-11-18 10:24:38,816 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 695 transitions. [2018-11-18 10:24:38,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-18 10:24:38,817 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:38,843 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:24:38,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:38,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 560 states and 716 transitions. [2018-11-18 10:24:38,932 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 716 transitions. [2018-11-18 10:24:38,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 10:24:38,933 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:38,993 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:24:39,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:39,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 587 states and 743 transitions. [2018-11-18 10:24:39,103 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 743 transitions. [2018-11-18 10:24:39,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 10:24:39,104 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:39,142 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 10:24:39,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:39,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 592 states and 748 transitions. [2018-11-18 10:24:39,263 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 748 transitions. [2018-11-18 10:24:39,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 10:24:39,263 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:39,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:39,303 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 10:24:39,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:39,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 593 states and 749 transitions. [2018-11-18 10:24:39,322 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 749 transitions. [2018-11-18 10:24:39,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 10:24:39,323 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:39,901 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:24:41,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:41,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 652 states and 814 transitions. [2018-11-18 10:24:41,499 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 814 transitions. [2018-11-18 10:24:41,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 10:24:41,500 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:41,544 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 10:24:41,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:41,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 671 states and 836 transitions. [2018-11-18 10:24:41,980 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 836 transitions. [2018-11-18 10:24:41,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 10:24:41,981 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:42,028 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 10:24:42,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:42,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 672 states and 838 transitions. [2018-11-18 10:24:42,050 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 838 transitions. [2018-11-18 10:24:42,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 10:24:42,051 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:42,433 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:24:45,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:45,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 741 states and 921 transitions. [2018-11-18 10:24:45,264 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 921 transitions. [2018-11-18 10:24:45,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 10:24:45,265 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:45,325 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:24:45,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:45,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 745 states and 925 transitions. [2018-11-18 10:24:45,528 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 925 transitions. [2018-11-18 10:24:45,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 10:24:45,529 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:45,559 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 10:24:45,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:45,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 762 states and 942 transitions. [2018-11-18 10:24:45,636 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 942 transitions. [2018-11-18 10:24:45,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 10:24:45,637 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:45,869 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:24:47,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:47,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 809 states and 991 transitions. [2018-11-18 10:24:47,787 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 991 transitions. [2018-11-18 10:24:47,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 10:24:47,788 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:47,866 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:24:48,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:48,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 821 states and 1003 transitions. [2018-11-18 10:24:48,070 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1003 transitions. [2018-11-18 10:24:48,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 10:24:48,071 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:48,112 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:24:48,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:48,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 825 states and 1007 transitions. [2018-11-18 10:24:48,274 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1007 transitions. [2018-11-18 10:24:48,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 10:24:48,275 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:48,323 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 10:24:48,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:48,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 827 states and 1008 transitions. [2018-11-18 10:24:48,430 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1008 transitions. [2018-11-18 10:24:48,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 10:24:48,431 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:48,537 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 10:24:48,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:48,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 829 states and 1010 transitions. [2018-11-18 10:24:48,717 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1010 transitions. [2018-11-18 10:24:48,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-18 10:24:48,718 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:48,758 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 10:24:48,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:48,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 833 states and 1017 transitions. [2018-11-18 10:24:48,986 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1017 transitions. [2018-11-18 10:24:48,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 10:24:48,987 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:49,045 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 10:24:49,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:49,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 860 states and 1046 transitions. [2018-11-18 10:24:49,887 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1046 transitions. [2018-11-18 10:24:49,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 10:24:49,888 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:49,954 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-18 10:24:50,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:50,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 862 states and 1048 transitions. [2018-11-18 10:24:50,091 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1048 transitions. [2018-11-18 10:24:50,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 10:24:50,092 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:50,135 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 10:24:50,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:50,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 874 states and 1065 transitions. [2018-11-18 10:24:50,545 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1065 transitions. [2018-11-18 10:24:50,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-18 10:24:50,546 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:50,570 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 10:24:50,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:50,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 878 states and 1070 transitions. [2018-11-18 10:24:50,665 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1070 transitions. [2018-11-18 10:24:50,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 10:24:50,666 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:50,983 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 159 proven. 11 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 10:24:52,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:52,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 898 states and 1095 transitions. [2018-11-18 10:24:52,323 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1095 transitions. [2018-11-18 10:24:52,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 10:24:52,324 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:52,351 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 10:24:52,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:52,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 900 states and 1096 transitions. [2018-11-18 10:24:52,553 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1096 transitions. [2018-11-18 10:24:52,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 10:24:52,554 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:52,630 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 10:24:53,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:53,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 980 states and 1182 transitions. [2018-11-18 10:24:53,334 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1182 transitions. [2018-11-18 10:24:53,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 10:24:53,335 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:53,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:53,424 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:24:54,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:54,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1052 states and 1260 transitions. [2018-11-18 10:24:54,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1260 transitions. [2018-11-18 10:24:54,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-18 10:24:54,005 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:54,056 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 10:24:54,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:54,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 1082 states and 1291 transitions. [2018-11-18 10:24:54,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1291 transitions. [2018-11-18 10:24:54,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-18 10:24:54,598 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:54,648 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 10:24:55,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:55,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1107 states and 1316 transitions. [2018-11-18 10:24:55,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1316 transitions. [2018-11-18 10:24:55,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 10:24:55,690 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:55,764 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 10:24:56,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:56,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1132 states and 1340 transitions. [2018-11-18 10:24:56,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1340 transitions. [2018-11-18 10:24:56,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 10:24:56,058 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:56,133 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 10:24:57,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:57,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1164 states and 1372 transitions. [2018-11-18 10:24:57,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1372 transitions. [2018-11-18 10:24:57,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-18 10:24:57,453 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:57,483 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 10:24:57,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:57,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1166 states and 1373 transitions. [2018-11-18 10:24:57,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1373 transitions. [2018-11-18 10:24:57,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-18 10:24:57,580 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:57,610 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 10:24:57,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:57,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1172 states and 1378 transitions. [2018-11-18 10:24:57,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1378 transitions. [2018-11-18 10:24:57,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 10:24:57,646 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:57,805 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:24:58,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:58,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1249 states and 1464 transitions. [2018-11-18 10:24:58,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1464 transitions. [2018-11-18 10:24:58,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 10:24:58,836 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:58,863 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 10:24:59,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:59,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1254 states and 1469 transitions. [2018-11-18 10:24:59,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1469 transitions. [2018-11-18 10:24:59,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 10:24:59,062 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:59,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:59,086 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 10:24:59,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:59,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1279 states and 1494 transitions. [2018-11-18 10:24:59,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1494 transitions. [2018-11-18 10:24:59,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-18 10:24:59,600 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:59,638 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 10:24:59,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:59,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 1284 states and 1504 transitions. [2018-11-18 10:24:59,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1504 transitions. [2018-11-18 10:24:59,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-18 10:24:59,803 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:24:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:24:59,836 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 10:24:59,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:24:59,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1286 states and 1507 transitions. [2018-11-18 10:24:59,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1507 transitions. [2018-11-18 10:24:59,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 10:24:59,991 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:25:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:25:00,039 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 10:25:00,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:25:00,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1292 states and 1516 transitions. [2018-11-18 10:25:00,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1516 transitions. [2018-11-18 10:25:00,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 10:25:00,262 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:25:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:25:00,308 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 10:25:00,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:25:00,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1293 states and 1516 transitions. [2018-11-18 10:25:00,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1516 transitions. [2018-11-18 10:25:00,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 10:25:00,490 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:25:00,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:25:00,683 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:25:01,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:25:01,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1330 states and 1556 transitions. [2018-11-18 10:25:01,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1556 transitions. [2018-11-18 10:25:01,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 10:25:01,558 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:25:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:25:01,602 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 111 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 10:25:02,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:25:02,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1354 states and 1584 transitions. [2018-11-18 10:25:02,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1584 transitions. [2018-11-18 10:25:02,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 10:25:02,279 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:25:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:25:02,324 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 156 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:25:03,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:25:03,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1401 states and 1638 transitions. [2018-11-18 10:25:03,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 1638 transitions. [2018-11-18 10:25:03,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 10:25:03,054 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:25:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:25:03,100 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 156 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:25:03,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:25:03,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1407 states and 1643 transitions. [2018-11-18 10:25:03,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 1643 transitions. [2018-11-18 10:25:03,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 10:25:03,463 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:25:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:25:03,508 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 156 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:25:03,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:25:03,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1412 states and 1648 transitions. [2018-11-18 10:25:03,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 1648 transitions. [2018-11-18 10:25:03,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 10:25:03,714 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:25:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:25:03,768 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 127 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 10:25:04,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:25:04,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1688 states to 1446 states and 1688 transitions. [2018-11-18 10:25:04,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 1688 transitions. [2018-11-18 10:25:04,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 10:25:04,579 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:25:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:25:04,633 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 127 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 10:25:05,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:25:05,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1457 states and 1698 transitions. [2018-11-18 10:25:05,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 1698 transitions. [2018-11-18 10:25:05,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 10:25:05,200 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:25:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:25:05,228 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 10:25:05,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:25:05,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1461 states and 1704 transitions. [2018-11-18 10:25:05,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 1704 transitions. [2018-11-18 10:25:05,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-18 10:25:05,345 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:25:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:25:05,380 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 10:25:05,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:25:05,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1716 states to 1473 states and 1716 transitions. [2018-11-18 10:25:05,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1716 transitions. [2018-11-18 10:25:05,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-18 10:25:05,445 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:25:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:25:05,479 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 10:25:05,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:25:05,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1480 states and 1722 transitions. [2018-11-18 10:25:05,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 1722 transitions. [2018-11-18 10:25:05,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-18 10:25:05,721 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:25:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:25:05,763 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 10:25:06,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:25:06,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1485 states and 1727 transitions. [2018-11-18 10:25:06,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1727 transitions. [2018-11-18 10:25:06,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 10:25:06,154 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:25:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:25:06,182 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 10:25:08,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:25:08,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1540 states and 1793 transitions. [2018-11-18 10:25:08,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 1793 transitions. [2018-11-18 10:25:08,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 10:25:08,308 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:25:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:25:08,337 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 10:25:08,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:25:08,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1821 states to 1568 states and 1821 transitions. [2018-11-18 10:25:08,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 1821 transitions. [2018-11-18 10:25:08,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 10:25:08,618 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:25:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:25:08,655 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 10:25:08,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:25:08,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1575 states and 1827 transitions. [2018-11-18 10:25:08,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 1827 transitions. [2018-11-18 10:25:08,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 10:25:08,874 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:25:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:25:08,902 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 10:25:09,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:25:09,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1845 states to 1593 states and 1845 transitions. [2018-11-18 10:25:09,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 1845 transitions. [2018-11-18 10:25:09,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 10:25:09,262 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:25:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:25:09,290 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 10:25:09,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:25:09,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1607 states and 1859 transitions. [2018-11-18 10:25:09,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 1859 transitions. [2018-11-18 10:25:09,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-18 10:25:09,565 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:25:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:25:09,597 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 10:25:09,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:25:09,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1860 states to 1609 states and 1860 transitions. [2018-11-18 10:25:09,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1609 states and 1860 transitions. [2018-11-18 10:25:09,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-18 10:25:09,751 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:25:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:25:09,787 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 10:25:09,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:25:09,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1862 states to 1612 states and 1862 transitions. [2018-11-18 10:25:09,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 1862 transitions. [2018-11-18 10:25:09,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 10:25:09,827 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:25:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:25:10,763 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 181 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:25:13,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:25:13,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 1691 states and 1957 transitions. [2018-11-18 10:25:13,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 1957 transitions. [2018-11-18 10:25:13,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 10:25:13,560 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:25:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:25:13,775 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 181 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:25:14,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:25:14,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1961 states to 1695 states and 1961 transitions. [2018-11-18 10:25:14,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 1961 transitions. [2018-11-18 10:25:14,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 10:25:14,070 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:25:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:25:14,298 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 181 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:25:14,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:25:14,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1700 states and 1965 transitions. [2018-11-18 10:25:14,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 1965 transitions. [2018-11-18 10:25:14,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-18 10:25:14,565 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:25:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:25:14,635 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 10:25:14,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:25:14,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1979 states to 1713 states and 1979 transitions. [2018-11-18 10:25:14,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 1979 transitions. [2018-11-18 10:25:14,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 10:25:14,875 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:25:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:25:14,917 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 10:25:15,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:25:15,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 1793 states and 2062 transitions. [2018-11-18 10:25:15,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 2062 transitions. [2018-11-18 10:25:15,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-18 10:25:15,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:25:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:25:15,729 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 198 proven. 17 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-11-18 10:25:16,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:25:16,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2082 states to 1811 states and 2082 transitions. [2018-11-18 10:25:16,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2082 transitions. [2018-11-18 10:25:16,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-18 10:25:16,090 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:25:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:25:16,169 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 198 proven. 17 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-11-18 10:25:16,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:25:16,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2082 states to 1812 states and 2082 transitions. [2018-11-18 10:25:16,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1812 states and 2082 transitions. [2018-11-18 10:25:16,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 10:25:16,398 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:25:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:25:16,464 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2018-11-18 10:25:16,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:25:16,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2083 states to 1813 states and 2083 transitions. [2018-11-18 10:25:16,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2083 transitions. [2018-11-18 10:25:16,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 10:25:16,495 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:25:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:25:16,562 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2018-11-18 10:25:16,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:25:16,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1997 states to 1730 states and 1997 transitions. [2018-11-18 10:25:16,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1730 states and 1997 transitions. [2018-11-18 10:25:16,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:25:16,785 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 90 iterations. [2018-11-18 10:25:16,791 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 10:25:20,048 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:25:20,050 INFO L579 CodeCheckObserver]: Invariant with dag size 14 [2018-11-18 10:25:20,056 INFO L579 CodeCheckObserver]: Invariant with dag size 14 [2018-11-18 10:25:20,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 10:25:20 ImpRootNode [2018-11-18 10:25:20,057 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 10:25:20,057 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:25:20,057 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:25:20,057 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:25:20,057 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:24:30" (3/4) ... [2018-11-18 10:25:20,061 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:25:20,075 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 112 nodes and edges [2018-11-18 10:25:20,076 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 10:25:20,077 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-18 10:25:20,078 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 10:25:20,158 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f7c0c97c-ab77-4028-9f52-b76985d331c2/bin-2019/ukojak/witness.graphml [2018-11-18 10:25:20,158 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:25:20,158 INFO L168 Benchmark]: Toolchain (without parser) took 51796.19 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.3 GB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -151.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-18 10:25:20,159 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-11-18 10:25:20,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.13 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 922.6 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:25:20,160 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 922.6 MB in the beginning and 1.1 GB in the end (delta: -184.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:25:20,160 INFO L168 Benchmark]: Boogie Preprocessor took 43.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:25:20,160 INFO L168 Benchmark]: RCFGBuilder took 1459.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 859.7 MB in the end (delta: 242.2 MB). Peak memory consumption was 242.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:25:20,160 INFO L168 Benchmark]: CodeCheck took 49706.28 ms. Allocated memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 857.0 MB in the beginning and 1.1 GB in the end (delta: -252.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-18 10:25:20,161 INFO L168 Benchmark]: Witness Printer took 100.92 ms. Allocated memory is still 2.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.9 kB). Peak memory consumption was 33.9 kB. Max. memory is 11.5 GB. [2018-11-18 10:25:20,162 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, 228 locations, 1 error locations. SAFE Result, 46.4s OverallTime, 90 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1606420576 SDtfs, -1393104032 SDslu, 171983616 SDs, 0 SdLazy, 272391624 SolverSat, -1386825856 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 207.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 98934 GetRequests, 97207 SyntacticMatches, 1013 SemanticMatches, 714 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374643 ImplicationChecksByTransitivity, 36.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 15188 NumberOfCodeBlocks, 15188 NumberOfCodeBlocksAsserted, 89 NumberOfCheckSat, 15099 ConstructedInterpolants, 0 QuantifiedInterpolants, 6898763 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 89 InterpolantComputations, 73 PerfectInterpolantSequences, 11579/11871 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: 529]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((a19 == 1 || !(a25 == 1)) || a17 == 8) || !(a28 == 11) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((!(a28 == 11) || a19 == 1) || a17 == 8) || !(a25 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 375.13 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 922.6 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 107.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 922.6 MB in the beginning and 1.1 GB in the end (delta: -184.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1459.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 859.7 MB in the end (delta: 242.2 MB). Peak memory consumption was 242.2 MB. Max. memory is 11.5 GB. * CodeCheck took 49706.28 ms. Allocated memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 857.0 MB in the beginning and 1.1 GB in the end (delta: -252.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 100.92 ms. Allocated memory is still 2.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.9 kB). Peak memory consumption was 33.9 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...