./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label00_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_eed31e71-af62-435d-8e18-b6042343789f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eed31e71-af62-435d-8e18-b6042343789f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eed31e71-af62-435d-8e18-b6042343789f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eed31e71-af62-435d-8e18-b6042343789f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label00_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_eed31e71-af62-435d-8e18-b6042343789f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eed31e71-af62-435d-8e18-b6042343789f/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 785a7f7444547118219ac2dc565afc7f15fbca51 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 16:02:50,115 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 16:02:50,116 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 16:02:50,122 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 16:02:50,122 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 16:02:50,123 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 16:02:50,124 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 16:02:50,126 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 16:02:50,127 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 16:02:50,127 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 16:02:50,128 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 16:02:50,128 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 16:02:50,129 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 16:02:50,130 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 16:02:50,130 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 16:02:50,131 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 16:02:50,131 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 16:02:50,132 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 16:02:50,134 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 16:02:50,135 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 16:02:50,136 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 16:02:50,136 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 16:02:50,138 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 16:02:50,138 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 16:02:50,139 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 16:02:50,139 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 16:02:50,140 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 16:02:50,141 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 16:02:50,141 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 16:02:50,142 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 16:02:50,143 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 16:02:50,143 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 16:02:50,143 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 16:02:50,143 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 16:02:50,144 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 16:02:50,145 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 16:02:50,145 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eed31e71-af62-435d-8e18-b6042343789f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 16:02:50,155 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 16:02:50,156 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 16:02:50,156 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 16:02:50,157 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 16:02:50,157 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 16:02:50,157 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 16:02:50,157 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 16:02:50,158 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 16:02:50,158 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 16:02:50,158 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 16:02:50,158 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 16:02:50,158 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 16:02:50,158 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 16:02:50,159 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 16:02:50,159 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 16:02:50,159 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 16:02:50,159 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 16:02:50,159 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 16:02:50,159 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 16:02:50,159 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 16:02:50,160 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 16:02:50,160 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 16:02:50,160 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 16:02:50,160 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 16:02:50,160 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 16:02:50,160 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 16:02:50,160 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 16:02:50,161 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 16:02:50,161 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 16:02:50,161 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_eed31e71-af62-435d-8e18-b6042343789f/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 -> 785a7f7444547118219ac2dc565afc7f15fbca51 [2018-11-23 16:02:50,186 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 16:02:50,196 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 16:02:50,199 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 16:02:50,200 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 16:02:50,201 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 16:02:50,201 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eed31e71-af62-435d-8e18-b6042343789f/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label00_true-unreach-call_false-termination.c [2018-11-23 16:02:50,255 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eed31e71-af62-435d-8e18-b6042343789f/bin-2019/ukojak/data/2a84aec5c/9398587bdda94c18a4637363bc65568d/FLAG67ea87427 [2018-11-23 16:02:50,657 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 16:02:50,658 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eed31e71-af62-435d-8e18-b6042343789f/sv-benchmarks/c/eca-rers2012/Problem01_label00_true-unreach-call_false-termination.c [2018-11-23 16:02:50,667 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eed31e71-af62-435d-8e18-b6042343789f/bin-2019/ukojak/data/2a84aec5c/9398587bdda94c18a4637363bc65568d/FLAG67ea87427 [2018-11-23 16:02:50,679 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eed31e71-af62-435d-8e18-b6042343789f/bin-2019/ukojak/data/2a84aec5c/9398587bdda94c18a4637363bc65568d [2018-11-23 16:02:50,682 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 16:02:50,683 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 16:02:50,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 16:02:50,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 16:02:50,687 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 16:02:50,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:02:50" (1/1) ... [2018-11-23 16:02:50,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e2c170c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:50, skipping insertion in model container [2018-11-23 16:02:50,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:02:50" (1/1) ... [2018-11-23 16:02:50,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 16:02:50,736 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 16:02:50,964 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 16:02:50,968 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 16:02:51,040 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 16:02:51,054 INFO L195 MainTranslator]: Completed translation [2018-11-23 16:02:51,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:51 WrapperNode [2018-11-23 16:02:51,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 16:02:51,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 16:02:51,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 16:02:51,055 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 16:02:51,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:51" (1/1) ... [2018-11-23 16:02:51,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:51" (1/1) ... [2018-11-23 16:02:51,163 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 16:02:51,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 16:02:51,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 16:02:51,164 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 16:02:51,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:51" (1/1) ... [2018-11-23 16:02:51,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:51" (1/1) ... [2018-11-23 16:02:51,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:51" (1/1) ... [2018-11-23 16:02:51,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:51" (1/1) ... [2018-11-23 16:02:51,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:51" (1/1) ... [2018-11-23 16:02:51,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:51" (1/1) ... [2018-11-23 16:02:51,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:51" (1/1) ... [2018-11-23 16:02:51,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 16:02:51,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 16:02:51,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 16:02:51,213 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 16:02:51,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:02:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eed31e71-af62-435d-8e18-b6042343789f/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 [2018-11-23 16:02:51,268 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 16:02:51,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 16:02:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 16:02:53,036 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 16:02:53,036 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 16:02:53,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:02:53 BoogieIcfgContainer [2018-11-23 16:02:53,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 16:02:53,038 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 16:02:53,038 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 16:02:53,048 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 16:02:53,049 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:02:53" (1/1) ... [2018-11-23 16:02:53,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:02:53,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:02:53,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-11-23 16:02:53,101 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-11-23 16:02:53,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 16:02:53,106 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:02:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:02:53,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:02:53,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:02:53,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 145 states and 220 transitions. [2018-11-23 16:02:53,883 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2018-11-23 16:02:53,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 16:02:53,885 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:02:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:02:53,956 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 16:02:54,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:02:54,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2018-11-23 16:02:54,067 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2018-11-23 16:02:54,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 16:02:54,068 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:02:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:02:54,116 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:02:54,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:02:54,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 151 states and 230 transitions. [2018-11-23 16:02:54,188 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 230 transitions. [2018-11-23 16:02:54,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 16:02:54,190 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:02:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:02:54,285 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:02:54,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:02:54,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 221 states and 316 transitions. [2018-11-23 16:02:54,614 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 316 transitions. [2018-11-23 16:02:54,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-23 16:02:54,615 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:02:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:02:54,724 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:02:55,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:02:55,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 231 states and 333 transitions. [2018-11-23 16:02:55,030 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 333 transitions. [2018-11-23 16:02:55,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-23 16:02:55,035 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:02:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:02:55,123 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 16:02:55,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:02:55,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 242 states and 350 transitions. [2018-11-23 16:02:55,621 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 350 transitions. [2018-11-23 16:02:55,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-23 16:02:55,622 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:02:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:02:55,648 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 16:02:55,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:02:55,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 245 states and 353 transitions. [2018-11-23 16:02:55,736 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 353 transitions. [2018-11-23 16:02:55,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-23 16:02:55,736 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:02:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:02:55,760 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 16:02:55,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:02:55,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 247 states and 354 transitions. [2018-11-23 16:02:55,861 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 354 transitions. [2018-11-23 16:02:55,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 16:02:55,862 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:02:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:02:55,889 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 16:02:56,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:02:56,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 258 states and 367 transitions. [2018-11-23 16:02:56,086 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 367 transitions. [2018-11-23 16:02:56,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-23 16:02:56,088 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:02:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:02:56,124 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:02:56,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:02:56,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 264 states and 374 transitions. [2018-11-23 16:02:56,424 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 374 transitions. [2018-11-23 16:02:56,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-23 16:02:56,425 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:02:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:02:56,447 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:02:56,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:02:56,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 266 states and 376 transitions. [2018-11-23 16:02:56,475 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 376 transitions. [2018-11-23 16:02:56,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-23 16:02:56,476 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:02:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:02:56,542 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 16:02:56,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:02:56,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 274 states and 385 transitions. [2018-11-23 16:02:56,672 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 385 transitions. [2018-11-23 16:02:56,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-23 16:02:56,673 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:02:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:02:56,789 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:02:57,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:02:57,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 279 states and 391 transitions. [2018-11-23 16:02:57,136 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 391 transitions. [2018-11-23 16:02:57,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-23 16:02:57,136 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:02:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:02:57,211 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 16:02:57,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:02:57,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 292 states and 410 transitions. [2018-11-23 16:02:57,906 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 410 transitions. [2018-11-23 16:02:57,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-23 16:02:57,906 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:02:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:02:57,936 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 16:02:58,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:02:58,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 297 states and 415 transitions. [2018-11-23 16:02:58,180 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 415 transitions. [2018-11-23 16:02:58,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-23 16:02:58,180 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:02:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:02:58,202 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:02:58,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:02:58,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 316 states and 437 transitions. [2018-11-23 16:02:58,503 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 437 transitions. [2018-11-23 16:02:58,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 16:02:58,504 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:02:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:02:58,537 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 16:02:58,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:02:58,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 333 states and 456 transitions. [2018-11-23 16:02:58,810 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 456 transitions. [2018-11-23 16:02:58,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 16:02:58,811 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:02:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:02:58,906 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:02:59,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:02:59,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 348 states and 473 transitions. [2018-11-23 16:02:59,151 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 473 transitions. [2018-11-23 16:02:59,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 16:02:59,152 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:02:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:02:59,221 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:02:59,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:02:59,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 362 states and 487 transitions. [2018-11-23 16:02:59,465 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 487 transitions. [2018-11-23 16:02:59,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-23 16:02:59,466 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:02:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:02:59,557 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-23 16:02:59,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:02:59,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 370 states and 498 transitions. [2018-11-23 16:02:59,877 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 498 transitions. [2018-11-23 16:02:59,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-23 16:02:59,878 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:02:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:02:59,903 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-23 16:03:00,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:00,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 371 states and 500 transitions. [2018-11-23 16:03:00,090 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 500 transitions. [2018-11-23 16:03:00,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-23 16:03:00,092 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:00,391 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:03:00,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:00,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 385 states and 516 transitions. [2018-11-23 16:03:00,724 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 516 transitions. [2018-11-23 16:03:00,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-23 16:03:00,725 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:00,817 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:03:01,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:01,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 389 states and 520 transitions. [2018-11-23 16:03:01,006 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 520 transitions. [2018-11-23 16:03:01,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-23 16:03:01,007 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:01,203 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:03:02,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:02,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 396 states and 532 transitions. [2018-11-23 16:03:02,124 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 532 transitions. [2018-11-23 16:03:02,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-23 16:03:02,125 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:02,193 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:03:02,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:02,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 398 states and 534 transitions. [2018-11-23 16:03:02,403 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 534 transitions. [2018-11-23 16:03:02,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 16:03:02,404 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:02,428 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-23 16:03:02,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:02,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 401 states and 538 transitions. [2018-11-23 16:03:02,618 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 538 transitions. [2018-11-23 16:03:02,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-23 16:03:02,619 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:02,714 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:03:02,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:02,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 415 states and 554 transitions. [2018-11-23 16:03:02,964 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 554 transitions. [2018-11-23 16:03:02,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-23 16:03:02,965 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:02,998 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 16:03:03,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:03,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 426 states and 565 transitions. [2018-11-23 16:03:03,052 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 565 transitions. [2018-11-23 16:03:03,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 16:03:03,053 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:03,227 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 16:03:03,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:03,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 432 states and 578 transitions. [2018-11-23 16:03:03,853 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 578 transitions. [2018-11-23 16:03:03,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 16:03:03,854 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:04,137 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:03:05,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:05,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 477 states and 628 transitions. [2018-11-23 16:03:05,634 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 628 transitions. [2018-11-23 16:03:05,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-23 16:03:05,635 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:05,850 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 16:03:07,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:07,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 518 states and 676 transitions. [2018-11-23 16:03:07,060 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 676 transitions. [2018-11-23 16:03:07,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-23 16:03:07,061 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:07,150 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 16:03:07,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:07,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 523 states and 681 transitions. [2018-11-23 16:03:07,374 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 681 transitions. [2018-11-23 16:03:07,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-23 16:03:07,375 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:07,471 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:03:09,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:09,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 572 states and 738 transitions. [2018-11-23 16:03:09,527 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 738 transitions. [2018-11-23 16:03:09,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-23 16:03:09,527 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:09,551 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:03:10,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:10,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 607 states and 773 transitions. [2018-11-23 16:03:10,202 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 773 transitions. [2018-11-23 16:03:10,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-23 16:03:10,203 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:10,225 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:03:10,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:10,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 611 states and 776 transitions. [2018-11-23 16:03:10,436 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 776 transitions. [2018-11-23 16:03:10,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-23 16:03:10,437 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:10,458 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:03:10,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:10,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 616 states and 784 transitions. [2018-11-23 16:03:10,658 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 784 transitions. [2018-11-23 16:03:10,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-23 16:03:10,659 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:10,692 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 16:03:10,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:10,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 623 states and 791 transitions. [2018-11-23 16:03:10,755 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 791 transitions. [2018-11-23 16:03:10,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 16:03:10,756 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:10,783 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 16:03:11,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:11,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 672 states and 844 transitions. [2018-11-23 16:03:11,421 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 844 transitions. [2018-11-23 16:03:11,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 16:03:11,421 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:11,912 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 94 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:03:13,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:13,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 686 states and 864 transitions. [2018-11-23 16:03:13,017 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 864 transitions. [2018-11-23 16:03:13,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 16:03:13,017 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:13,088 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 94 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:03:13,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:13,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 688 states and 867 transitions. [2018-11-23 16:03:13,293 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 867 transitions. [2018-11-23 16:03:13,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-23 16:03:13,294 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:13,661 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:03:14,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:14,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 713 states and 894 transitions. [2018-11-23 16:03:14,729 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 894 transitions. [2018-11-23 16:03:14,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 16:03:14,730 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:14,769 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 16:03:14,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:14,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 717 states and 897 transitions. [2018-11-23 16:03:14,979 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 897 transitions. [2018-11-23 16:03:14,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-23 16:03:14,980 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:15,439 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:03:17,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:17,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 754 states and 947 transitions. [2018-11-23 16:03:17,128 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 947 transitions. [2018-11-23 16:03:17,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-23 16:03:17,129 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:17,208 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:03:17,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:17,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 786 states and 977 transitions. [2018-11-23 16:03:17,678 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 977 transitions. [2018-11-23 16:03:17,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 16:03:17,679 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:17,875 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 16:03:18,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:18,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 797 states and 992 transitions. [2018-11-23 16:03:18,371 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 992 transitions. [2018-11-23 16:03:18,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 16:03:18,372 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:18,419 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:03:18,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:18,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 817 states and 1014 transitions. [2018-11-23 16:03:18,624 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1014 transitions. [2018-11-23 16:03:18,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-23 16:03:18,625 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:19,024 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 97 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 16:03:19,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:19,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 825 states and 1025 transitions. [2018-11-23 16:03:19,599 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1025 transitions. [2018-11-23 16:03:19,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-23 16:03:19,600 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:19,763 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 97 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 16:03:19,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:19,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 827 states and 1026 transitions. [2018-11-23 16:03:19,935 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1026 transitions. [2018-11-23 16:03:19,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-23 16:03:19,936 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:19,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:20,270 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:03:21,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:21,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 901 states and 1110 transitions. [2018-11-23 16:03:21,895 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1110 transitions. [2018-11-23 16:03:21,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-23 16:03:21,896 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:21,982 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:03:22,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:22,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 902 states and 1111 transitions. [2018-11-23 16:03:22,199 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1111 transitions. [2018-11-23 16:03:22,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-23 16:03:22,199 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:22,276 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 16:03:22,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:22,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 920 states and 1132 transitions. [2018-11-23 16:03:22,823 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1132 transitions. [2018-11-23 16:03:22,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-23 16:03:22,823 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:22,897 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 16:03:23,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:23,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 922 states and 1135 transitions. [2018-11-23 16:03:23,151 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1135 transitions. [2018-11-23 16:03:23,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-23 16:03:23,152 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:23,407 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 80 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:03:24,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:24,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 941 states and 1161 transitions. [2018-11-23 16:03:24,555 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1161 transitions. [2018-11-23 16:03:24,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 16:03:24,556 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:24,614 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 16:03:24,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:24,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 943 states and 1163 transitions. [2018-11-23 16:03:24,821 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1163 transitions. [2018-11-23 16:03:24,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 16:03:24,822 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:24,865 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 16:03:25,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:25,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1003 states and 1227 transitions. [2018-11-23 16:03:25,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1227 transitions. [2018-11-23 16:03:25,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 16:03:25,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:25,550 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 16:03:25,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:25,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 1004 states and 1228 transitions. [2018-11-23 16:03:25,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1228 transitions. [2018-11-23 16:03:25,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 16:03:25,779 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:25,814 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 16:03:26,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:26,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1006 states and 1229 transitions. [2018-11-23 16:03:26,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1229 transitions. [2018-11-23 16:03:26,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 16:03:26,032 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:26,066 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 16:03:26,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:26,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1008 states and 1230 transitions. [2018-11-23 16:03:26,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1230 transitions. [2018-11-23 16:03:26,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-23 16:03:26,384 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:26,424 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 97 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 16:03:28,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:28,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1076 states and 1304 transitions. [2018-11-23 16:03:28,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1304 transitions. [2018-11-23 16:03:28,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-23 16:03:28,233 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:28,262 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 16:03:28,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:28,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1081 states and 1311 transitions. [2018-11-23 16:03:28,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1311 transitions. [2018-11-23 16:03:28,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-23 16:03:28,462 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:28,498 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 16:03:28,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:28,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1084 states and 1314 transitions. [2018-11-23 16:03:28,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1314 transitions. [2018-11-23 16:03:28,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-23 16:03:28,893 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:29,537 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:03:32,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:32,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1131 states and 1371 transitions. [2018-11-23 16:03:32,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1371 transitions. [2018-11-23 16:03:32,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-23 16:03:32,475 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:32,649 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:03:32,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:32,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1133 states and 1372 transitions. [2018-11-23 16:03:32,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1372 transitions. [2018-11-23 16:03:32,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-23 16:03:32,833 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:33,217 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 112 proven. 30 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:03:35,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:35,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1167 states and 1419 transitions. [2018-11-23 16:03:35,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1419 transitions. [2018-11-23 16:03:35,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-23 16:03:35,744 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:35,904 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 112 proven. 30 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:03:36,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:36,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1183 states and 1438 transitions. [2018-11-23 16:03:36,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1438 transitions. [2018-11-23 16:03:36,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-23 16:03:36,781 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:36,924 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 112 proven. 30 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:03:37,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:37,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1197 states and 1453 transitions. [2018-11-23 16:03:37,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1453 transitions. [2018-11-23 16:03:37,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-23 16:03:37,606 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:37,642 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-23 16:03:38,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:38,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1207 states and 1464 transitions. [2018-11-23 16:03:38,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1464 transitions. [2018-11-23 16:03:38,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-23 16:03:38,123 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:38,152 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-23 16:03:38,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:38,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1209 states and 1466 transitions. [2018-11-23 16:03:38,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1466 transitions. [2018-11-23 16:03:38,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-23 16:03:38,393 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:38,439 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-23 16:03:38,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:38,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1218 states and 1475 transitions. [2018-11-23 16:03:38,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1475 transitions. [2018-11-23 16:03:38,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-23 16:03:38,517 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:38,545 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-23 16:03:39,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:39,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1229 states and 1488 transitions. [2018-11-23 16:03:39,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 1488 transitions. [2018-11-23 16:03:39,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-23 16:03:39,010 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:39,488 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 16:03:41,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:41,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 1259 states and 1522 transitions. [2018-11-23 16:03:41,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1522 transitions. [2018-11-23 16:03:41,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-23 16:03:41,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:41,410 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 16:03:41,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:41,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1261 states and 1523 transitions. [2018-11-23 16:03:41,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1523 transitions. [2018-11-23 16:03:41,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 16:03:41,639 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:42,186 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:03:47,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:47,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1315 states and 1592 transitions. [2018-11-23 16:03:47,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1592 transitions. [2018-11-23 16:03:47,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 16:03:47,100 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:47,249 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:03:48,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:48,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1322 states and 1599 transitions. [2018-11-23 16:03:48,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 1599 transitions. [2018-11-23 16:03:48,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-23 16:03:48,248 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:49,117 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 136 proven. 39 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:03:50,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:50,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1337 states and 1619 transitions. [2018-11-23 16:03:50,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 1619 transitions. [2018-11-23 16:03:50,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-23 16:03:50,536 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:50,618 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 136 proven. 39 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:03:51,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:51,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1355 states and 1637 transitions. [2018-11-23 16:03:51,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 1637 transitions. [2018-11-23 16:03:51,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-23 16:03:51,576 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:51,657 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 136 proven. 39 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:03:52,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:52,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1356 states and 1637 transitions. [2018-11-23 16:03:52,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 1637 transitions. [2018-11-23 16:03:52,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-23 16:03:52,055 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:52,093 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-23 16:03:52,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:52,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1361 states and 1642 transitions. [2018-11-23 16:03:52,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 1642 transitions. [2018-11-23 16:03:52,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-23 16:03:52,128 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:52,165 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-23 16:03:53,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:53,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 1377 states and 1661 transitions. [2018-11-23 16:03:53,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1661 transitions. [2018-11-23 16:03:53,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-23 16:03:53,232 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:53,275 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-23 16:03:53,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:53,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1385 states and 1669 transitions. [2018-11-23 16:03:53,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1669 transitions. [2018-11-23 16:03:53,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-23 16:03:53,325 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:53,365 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-23 16:03:53,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:53,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1386 states and 1670 transitions. [2018-11-23 16:03:53,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 1670 transitions. [2018-11-23 16:03:53,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 16:03:53,398 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:54,072 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:03:56,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:56,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1447 states and 1742 transitions. [2018-11-23 16:03:56,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1447 states and 1742 transitions. [2018-11-23 16:03:56,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 16:03:56,486 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:56,799 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:03:57,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:03:57,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1453 states and 1747 transitions. [2018-11-23 16:03:57,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 1747 transitions. [2018-11-23 16:03:57,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 16:03:57,355 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:03:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:03:58,599 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 16:04:01,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:01,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1496 states and 1793 transitions. [2018-11-23 16:04:01,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1793 transitions. [2018-11-23 16:04:01,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 16:04:01,554 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:01,710 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 16:04:02,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:02,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1797 states to 1501 states and 1797 transitions. [2018-11-23 16:04:02,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1501 states and 1797 transitions. [2018-11-23 16:04:02,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-23 16:04:02,529 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:02,824 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-11-23 16:04:03,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:03,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1571 states and 1871 transitions. [2018-11-23 16:04:03,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 1871 transitions. [2018-11-23 16:04:03,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-23 16:04:03,771 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:04,668 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 16:04:06,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:06,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1575 states and 1877 transitions. [2018-11-23 16:04:06,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 1877 transitions. [2018-11-23 16:04:06,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-23 16:04:06,397 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:06,542 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-23 16:04:08,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:08,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1642 states and 1947 transitions. [2018-11-23 16:04:08,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 1947 transitions. [2018-11-23 16:04:08,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 16:04:08,281 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:08,415 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 135 proven. 23 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-23 16:04:08,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:08,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1644 states and 1948 transitions. [2018-11-23 16:04:08,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1644 states and 1948 transitions. [2018-11-23 16:04:08,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-11-23 16:04:08,661 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-11-23 16:04:20,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:20,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 1761 states and 2087 transitions. [2018-11-23 16:04:20,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 2087 transitions. [2018-11-23 16:04:20,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 16:04:20,022 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:20,625 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 16:04:22,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:22,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 1771 states and 2101 transitions. [2018-11-23 16:04:22,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1771 states and 2101 transitions. [2018-11-23 16:04:22,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 16:04:22,593 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:22,737 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 16:04:24,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:24,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 1796 states and 2128 transitions. [2018-11-23 16:04:24,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1796 states and 2128 transitions. [2018-11-23 16:04:24,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 16:04:24,883 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:25,028 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 16:04:25,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:25,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2130 states to 1799 states and 2130 transitions. [2018-11-23 16:04:25,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 2130 transitions. [2018-11-23 16:04:25,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 16:04:25,505 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:25,650 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 16:04:26,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:26,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2143 states to 1813 states and 2143 transitions. [2018-11-23 16:04:26,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2143 transitions. [2018-11-23 16:04:26,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-23 16:04:26,647 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:28,158 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-23 16:04:32,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:32,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 1855 states and 2186 transitions. [2018-11-23 16:04:32,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2186 transitions. [2018-11-23 16:04:32,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-23 16:04:32,495 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:33,874 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 16:04:36,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:36,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 1867 states and 2202 transitions. [2018-11-23 16:04:36,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1867 states and 2202 transitions. [2018-11-23 16:04:36,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-23 16:04:36,929 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:37,060 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 16:04:38,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:38,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 1876 states and 2210 transitions. [2018-11-23 16:04:38,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2210 transitions. [2018-11-23 16:04:38,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-23 16:04:38,184 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:38,317 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 16:04:41,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:41,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2245 states to 1911 states and 2245 transitions. [2018-11-23 16:04:41,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1911 states and 2245 transitions. [2018-11-23 16:04:41,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-23 16:04:41,441 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:41,664 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 16:04:42,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:42,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2246 states to 1913 states and 2246 transitions. [2018-11-23 16:04:42,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1913 states and 2246 transitions. [2018-11-23 16:04:42,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-23 16:04:42,089 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:42,313 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 16:04:43,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:43,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 1927 states and 2259 transitions. [2018-11-23 16:04:43,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1927 states and 2259 transitions. [2018-11-23 16:04:43,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-23 16:04:43,168 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:43,356 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 316 proven. 13 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-11-23 16:04:45,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:45,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2265 states to 1934 states and 2265 transitions. [2018-11-23 16:04:45,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1934 states and 2265 transitions. [2018-11-23 16:04:45,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 16:04:45,339 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:46,596 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 16:04:50,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:50,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 1963 states and 2296 transitions. [2018-11-23 16:04:50,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1963 states and 2296 transitions. [2018-11-23 16:04:50,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 16:04:50,519 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:50,652 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 16:04:53,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:53,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2334 states to 1999 states and 2334 transitions. [2018-11-23 16:04:53,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1999 states and 2334 transitions. [2018-11-23 16:04:53,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 16:04:53,552 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:53,686 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 16:04:55,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:55,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2355 states to 2022 states and 2355 transitions. [2018-11-23 16:04:55,768 INFO L276 IsEmpty]: Start isEmpty. Operand 2022 states and 2355 transitions. [2018-11-23 16:04:55,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 16:04:55,769 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:55,901 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 16:04:56,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:56,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2361 states to 2028 states and 2361 transitions. [2018-11-23 16:04:56,705 INFO L276 IsEmpty]: Start isEmpty. Operand 2028 states and 2361 transitions. [2018-11-23 16:04:56,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-23 16:04:56,707 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:56,873 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-23 16:04:57,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:57,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2363 states to 2030 states and 2363 transitions. [2018-11-23 16:04:57,232 INFO L276 IsEmpty]: Start isEmpty. Operand 2030 states and 2363 transitions. [2018-11-23 16:04:57,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-23 16:04:57,233 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:57,314 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 288 proven. 5 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2018-11-23 16:04:57,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:04:57,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 2036 states and 2371 transitions. [2018-11-23 16:04:57,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2036 states and 2371 transitions. [2018-11-23 16:04:57,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-23 16:04:57,807 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:04:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:04:57,882 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 288 proven. 5 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2018-11-23 16:05:00,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:05:00,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2435 states to 2099 states and 2435 transitions. [2018-11-23 16:05:00,583 INFO L276 IsEmpty]: Start isEmpty. Operand 2099 states and 2435 transitions. [2018-11-23 16:05:00,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-11-23 16:05:00,585 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:05:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:05:00,707 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 432 proven. 10 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2018-11-23 16:05:01,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:05:01,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2285 states to 1961 states and 2285 transitions. [2018-11-23 16:05:01,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1961 states and 2285 transitions. [2018-11-23 16:05:01,517 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 16:05:01,518 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 110 iterations. [2018-11-23 16:05:01,527 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 16:05:01,715 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 49 [2018-11-23 16:05:01,870 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 50 [2018-11-23 16:05:02,042 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 49 [2018-11-23 16:05:02,284 WARN L180 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 49 [2018-11-23 16:05:02,398 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 35 [2018-11-23 16:05:02,548 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 33 [2018-11-23 16:05:02,807 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 49 [2018-11-23 16:05:02,989 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 49 [2018-11-23 16:05:03,315 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 50 [2018-11-23 16:05:03,484 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 49 [2018-11-23 16:05:03,731 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 49 [2018-11-23 16:05:03,900 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 49 [2018-11-23 16:05:04,170 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 50 [2018-11-23 16:05:04,425 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 49 [2018-11-23 16:05:04,578 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 47 [2018-11-23 16:05:04,690 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 33 [2018-11-23 16:05:04,874 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 52 [2018-11-23 16:05:05,075 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 49 [2018-11-23 16:05:05,217 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 47 [2018-11-23 16:05:05,356 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 47 [2018-11-23 16:05:05,573 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 50 [2018-11-23 16:05:05,756 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 47 [2018-11-23 16:05:05,895 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 47 [2018-11-23 16:05:06,189 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 52 [2018-11-23 16:05:06,391 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 49 [2018-11-23 16:05:06,679 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 52 [2018-11-23 16:05:06,874 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 52 [2018-11-23 16:05:07,064 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 52 [2018-11-23 16:05:07,339 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 50 [2018-11-23 16:05:07,613 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 49 [2018-11-23 16:05:07,858 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 50 [2018-11-23 16:05:08,140 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 49 [2018-11-23 16:05:08,310 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 49 [2018-11-23 16:05:08,530 WARN L180 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 59 [2018-11-23 16:05:08,772 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 50 [2018-11-23 16:05:08,925 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 49 [2018-11-23 16:05:09,104 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 49 [2018-11-23 16:05:09,260 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 33 [2018-11-23 16:05:09,366 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 33 [2018-11-23 16:05:09,537 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 50 [2018-11-23 16:05:09,716 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 49 [2018-11-23 16:05:09,742 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 16:05:09,745 INFO L579 CodeCheckObserver]: Invariant with dag size 23 [2018-11-23 16:05:09,751 INFO L579 CodeCheckObserver]: Invariant with dag size 23 [2018-11-23 16:05:09,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 04:05:09 ImpRootNode [2018-11-23 16:05:09,752 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 16:05:09,752 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 16:05:09,752 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 16:05:09,753 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 16:05:09,753 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:02:53" (3/4) ... [2018-11-23 16:05:09,755 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 16:05:09,768 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-11-23 16:05:09,769 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-23 16:05:09,770 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 16:05:09,771 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 16:05:09,857 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_eed31e71-af62-435d-8e18-b6042343789f/bin-2019/ukojak/witness.graphml [2018-11-23 16:05:09,857 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 16:05:09,858 INFO L168 Benchmark]: Toolchain (without parser) took 139175.43 ms. Allocated memory was 1.0 GB in the beginning and 3.5 GB in the end (delta: 2.4 GB). Free memory was 951.1 MB in the beginning and 2.5 GB in the end (delta: -1.6 GB). Peak memory consumption was 870.2 MB. Max. memory is 11.5 GB. [2018-11-23 16:05:09,858 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 16:05:09,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.96 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 16:05:09,858 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 913.5 MB in the beginning and 1.1 GB in the end (delta: -232.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-23 16:05:09,859 INFO L168 Benchmark]: Boogie Preprocessor took 48.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. [2018-11-23 16:05:09,859 INFO L168 Benchmark]: RCFGBuilder took 1824.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 908.5 MB in the end (delta: 229.8 MB). Peak memory consumption was 229.8 MB. Max. memory is 11.5 GB. [2018-11-23 16:05:09,859 INFO L168 Benchmark]: CodeCheck took 136714.58 ms. Allocated memory was 1.2 GB in the beginning and 3.5 GB in the end (delta: 2.3 GB). Free memory was 908.5 MB in the beginning and 2.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.4 GB. Max. memory is 11.5 GB. [2018-11-23 16:05:09,859 INFO L168 Benchmark]: Witness Printer took 104.74 ms. Allocated memory is still 3.5 GB. Free memory was 2.6 GB in the beginning and 2.5 GB in the end (delta: 47.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 11.5 GB. [2018-11-23 16:05:09,861 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, 198 locations, 1 error locations. SAFE Result, 128.4s OverallTime, 110 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 66094356 SDtfs, -497489218 SDslu, 396024178 SDs, 0 SdLazy, -825217818 SolverSat, 525144538 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 306.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 123079 GetRequests, 117303 SyntacticMatches, 4510 SemanticMatches, 1266 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1300851 ImplicationChecksByTransitivity, 111.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 17.8s InterpolantComputationTime, 18412 NumberOfCodeBlocks, 18412 NumberOfCodeBlocksAsserted, 109 NumberOfCheckSat, 18303 ConstructedInterpolants, 0 QuantifiedInterpolants, 27036730 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 109 InterpolantComputations, 78 PerfectInterpolantSequences, 17748/18304 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: 500]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (!(a8 == 13) || !(a16 == 5)) || ((((a7 == 1 && a21 <= 0) && a17 == 1) && a12 == 8) && a20 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (!(a8 == 13) || !(a16 == 5)) || ((((a7 == 1 && a21 <= 0) && a17 == 1) && a12 == 8) && a20 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 370.96 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 108.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 913.5 MB in the beginning and 1.1 GB in the end (delta: -232.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1824.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 908.5 MB in the end (delta: 229.8 MB). Peak memory consumption was 229.8 MB. Max. memory is 11.5 GB. * CodeCheck took 136714.58 ms. Allocated memory was 1.2 GB in the beginning and 3.5 GB in the end (delta: 2.3 GB). Free memory was 908.5 MB in the beginning and 2.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.4 GB. Max. memory is 11.5 GB. * Witness Printer took 104.74 ms. Allocated memory is still 3.5 GB. Free memory was 2.6 GB in the beginning and 2.5 GB in the end (delta: 47.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...