./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label11_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_24948d41-c1c3-4d89-9881-57809a18dc1b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_24948d41-c1c3-4d89-9881-57809a18dc1b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_24948d41-c1c3-4d89-9881-57809a18dc1b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_24948d41-c1c3-4d89-9881-57809a18dc1b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label11_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_24948d41-c1c3-4d89-9881-57809a18dc1b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_24948d41-c1c3-4d89-9881-57809a18dc1b/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 e09138f51265758a55ca4b42a17e715ba685a263 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:41:25,106 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 09:41:25,107 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 09:41:25,114 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 09:41:25,115 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 09:41:25,115 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 09:41:25,116 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 09:41:25,117 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 09:41:25,118 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 09:41:25,119 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 09:41:25,119 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 09:41:25,119 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 09:41:25,120 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 09:41:25,121 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 09:41:25,122 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 09:41:25,123 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 09:41:25,123 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 09:41:25,124 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 09:41:25,126 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 09:41:25,127 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 09:41:25,128 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 09:41:25,128 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 09:41:25,130 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 09:41:25,130 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 09:41:25,130 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 09:41:25,131 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 09:41:25,132 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 09:41:25,132 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 09:41:25,133 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 09:41:25,134 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 09:41:25,134 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 09:41:25,134 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 09:41:25,135 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 09:41:25,135 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 09:41:25,135 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 09:41:25,136 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 09:41:25,136 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_24948d41-c1c3-4d89-9881-57809a18dc1b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 09:41:25,146 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 09:41:25,146 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 09:41:25,147 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 09:41:25,147 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 09:41:25,147 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 09:41:25,148 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 09:41:25,148 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 09:41:25,148 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 09:41:25,148 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 09:41:25,148 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 09:41:25,148 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 09:41:25,148 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 09:41:25,148 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 09:41:25,149 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 09:41:25,149 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 09:41:25,149 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 09:41:25,149 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 09:41:25,149 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 09:41:25,149 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 09:41:25,149 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 09:41:25,149 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 09:41:25,149 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 09:41:25,149 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 09:41:25,149 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 09:41:25,150 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 09:41:25,150 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 09:41:25,150 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 09:41:25,150 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 09:41:25,150 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 09:41:25,150 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_24948d41-c1c3-4d89-9881-57809a18dc1b/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 -> e09138f51265758a55ca4b42a17e715ba685a263 [2018-11-23 09:41:25,172 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 09:41:25,179 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 09:41:25,181 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 09:41:25,182 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 09:41:25,182 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 09:41:25,183 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_24948d41-c1c3-4d89-9881-57809a18dc1b/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label11_true-unreach-call_false-termination.c [2018-11-23 09:41:25,217 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_24948d41-c1c3-4d89-9881-57809a18dc1b/bin-2019/ukojak/data/1c4daf391/2e284a5290104e959dabc7ecdf756257/FLAG75f9f0386 [2018-11-23 09:41:25,681 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 09:41:25,681 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_24948d41-c1c3-4d89-9881-57809a18dc1b/sv-benchmarks/c/eca-rers2012/Problem01_label11_true-unreach-call_false-termination.c [2018-11-23 09:41:25,693 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_24948d41-c1c3-4d89-9881-57809a18dc1b/bin-2019/ukojak/data/1c4daf391/2e284a5290104e959dabc7ecdf756257/FLAG75f9f0386 [2018-11-23 09:41:26,202 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_24948d41-c1c3-4d89-9881-57809a18dc1b/bin-2019/ukojak/data/1c4daf391/2e284a5290104e959dabc7ecdf756257 [2018-11-23 09:41:26,204 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 09:41:26,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 09:41:26,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 09:41:26,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 09:41:26,207 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 09:41:26,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:41:26" (1/1) ... [2018-11-23 09:41:26,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c8d80d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:26, skipping insertion in model container [2018-11-23 09:41:26,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:41:26" (1/1) ... [2018-11-23 09:41:26,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 09:41:26,250 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 09:41:26,481 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 09:41:26,485 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 09:41:26,552 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 09:41:26,626 INFO L195 MainTranslator]: Completed translation [2018-11-23 09:41:26,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:26 WrapperNode [2018-11-23 09:41:26,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 09:41:26,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 09:41:26,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 09:41:26,627 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 09:41:26,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:26" (1/1) ... [2018-11-23 09:41:26,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:26" (1/1) ... [2018-11-23 09:41:26,683 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 09:41:26,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 09:41:26,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 09:41:26,683 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 09:41:26,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:26" (1/1) ... [2018-11-23 09:41:26,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:26" (1/1) ... [2018-11-23 09:41:26,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:26" (1/1) ... [2018-11-23 09:41:26,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:26" (1/1) ... [2018-11-23 09:41:26,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:26" (1/1) ... [2018-11-23 09:41:26,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:26" (1/1) ... [2018-11-23 09:41:26,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:26" (1/1) ... [2018-11-23 09:41:26,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 09:41:26,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 09:41:26,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 09:41:26,726 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 09:41:26,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:41:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_24948d41-c1c3-4d89-9881-57809a18dc1b/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 09:41:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 09:41:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 09:41:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 09:41:28,019 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 09:41:28,019 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 09:41:28,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:41:28 BoogieIcfgContainer [2018-11-23 09:41:28,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 09:41:28,020 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 09:41:28,020 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 09:41:28,027 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 09:41:28,027 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:41:28" (1/1) ... [2018-11-23 09:41:28,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:41:28,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:28,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-11-23 09:41:28,059 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-11-23 09:41:28,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 09:41:28,061 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:28,301 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 09:41:28,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:28,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 145 states and 221 transitions. [2018-11-23 09:41:28,685 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 221 transitions. [2018-11-23 09:41:28,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 09:41:28,687 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:28,748 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:41:28,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:28,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 149 states and 226 transitions. [2018-11-23 09:41:28,861 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 226 transitions. [2018-11-23 09:41:28,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 09:41:28,863 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:28,910 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 09:41:29,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:29,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 154 states and 236 transitions. [2018-11-23 09:41:29,010 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 236 transitions. [2018-11-23 09:41:29,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 09:41:29,011 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:29,116 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 09:41:29,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:29,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 224 states and 309 transitions. [2018-11-23 09:41:29,442 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 309 transitions. [2018-11-23 09:41:29,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-23 09:41:29,443 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:29,494 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 09:41:29,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:29,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 246 states and 338 transitions. [2018-11-23 09:41:29,797 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 338 transitions. [2018-11-23 09:41:29,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-23 09:41:29,802 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:29,953 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 09:41:30,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:30,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 256 states and 354 transitions. [2018-11-23 09:41:30,394 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 354 transitions. [2018-11-23 09:41:30,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-23 09:41:30,396 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:30,425 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 09:41:30,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:30,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 261 states and 359 transitions. [2018-11-23 09:41:30,454 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 359 transitions. [2018-11-23 09:41:30,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-23 09:41:30,456 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:30,514 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 09:41:30,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:30,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 280 states and 381 transitions. [2018-11-23 09:41:30,658 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 381 transitions. [2018-11-23 09:41:30,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 09:41:30,659 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:30,711 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 09:41:31,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:31,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 291 states and 400 transitions. [2018-11-23 09:41:31,191 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 400 transitions. [2018-11-23 09:41:31,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 09:41:31,192 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:31,222 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 09:41:31,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:31,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 296 states and 406 transitions. [2018-11-23 09:41:31,441 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 406 transitions. [2018-11-23 09:41:31,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 09:41:31,443 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:31,474 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 09:41:31,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:31,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 299 states and 409 transitions. [2018-11-23 09:41:31,579 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 409 transitions. [2018-11-23 09:41:31,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 09:41:31,580 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:31,616 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 09:41:31,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:31,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 318 states and 428 transitions. [2018-11-23 09:41:31,853 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 428 transitions. [2018-11-23 09:41:31,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 09:41:31,854 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:31,971 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 09:41:32,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:32,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 327 states and 437 transitions. [2018-11-23 09:41:32,137 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 437 transitions. [2018-11-23 09:41:32,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 09:41:32,138 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:32,178 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 09:41:32,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:32,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 333 states and 446 transitions. [2018-11-23 09:41:32,561 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 446 transitions. [2018-11-23 09:41:32,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 09:41:32,562 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:32,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:32,610 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 09:41:32,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:32,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 336 states and 451 transitions. [2018-11-23 09:41:32,705 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 451 transitions. [2018-11-23 09:41:32,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 09:41:32,705 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:32,854 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 09:41:33,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:33,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 341 states and 456 transitions. [2018-11-23 09:41:33,232 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 456 transitions. [2018-11-23 09:41:33,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 09:41:33,233 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:33,263 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 09:41:33,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:33,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 349 states and 469 transitions. [2018-11-23 09:41:33,464 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 469 transitions. [2018-11-23 09:41:33,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 09:41:33,464 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:33,492 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 09:41:33,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:33,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 355 states and 478 transitions. [2018-11-23 09:41:33,758 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 478 transitions. [2018-11-23 09:41:33,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 09:41:33,759 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:33,788 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 09:41:33,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:33,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 358 states and 481 transitions. [2018-11-23 09:41:33,901 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 481 transitions. [2018-11-23 09:41:33,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 09:41:33,902 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:33,922 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 09:41:34,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:34,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 360 states and 482 transitions. [2018-11-23 09:41:34,044 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 482 transitions. [2018-11-23 09:41:34,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-23 09:41:34,045 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:34,077 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 09:41:34,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:34,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 371 states and 493 transitions. [2018-11-23 09:41:34,122 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 493 transitions. [2018-11-23 09:41:34,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 09:41:34,123 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:34,206 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 09:41:34,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:34,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 385 states and 508 transitions. [2018-11-23 09:41:34,547 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 508 transitions. [2018-11-23 09:41:34,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 09:41:34,548 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:34,793 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-23 09:41:35,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:35,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 413 states and 544 transitions. [2018-11-23 09:41:35,881 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 544 transitions. [2018-11-23 09:41:35,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 09:41:35,882 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:35,947 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-23 09:41:36,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:36,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 421 states and 552 transitions. [2018-11-23 09:41:36,618 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 552 transitions. [2018-11-23 09:41:36,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-23 09:41:36,619 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:36,710 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 09:41:37,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:37,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 466 states and 601 transitions. [2018-11-23 09:41:37,375 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 601 transitions. [2018-11-23 09:41:37,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-23 09:41:37,376 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:37,708 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 09:41:38,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:38,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 531 states and 668 transitions. [2018-11-23 09:41:38,955 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 668 transitions. [2018-11-23 09:41:38,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 09:41:38,956 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:38,989 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 09:41:39,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:39,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 538 states and 677 transitions. [2018-11-23 09:41:39,198 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 677 transitions. [2018-11-23 09:41:39,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 09:41:39,199 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:39,275 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 09:41:39,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:39,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 539 states and 677 transitions. [2018-11-23 09:41:39,300 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 677 transitions. [2018-11-23 09:41:39,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-23 09:41:39,301 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:39,727 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 09:41:41,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:41,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 608 states and 759 transitions. [2018-11-23 09:41:41,600 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 759 transitions. [2018-11-23 09:41:41,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-23 09:41:41,600 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:41,661 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 09:41:41,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:41,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 611 states and 763 transitions. [2018-11-23 09:41:41,889 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 763 transitions. [2018-11-23 09:41:41,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 09:41:41,890 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:41,924 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 09:41:42,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:42,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 632 states and 784 transitions. [2018-11-23 09:41:42,171 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 784 transitions. [2018-11-23 09:41:42,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-23 09:41:42,172 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:42,361 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 09:41:43,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:43,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 641 states and 797 transitions. [2018-11-23 09:41:43,022 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 797 transitions. [2018-11-23 09:41:43,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-23 09:41:43,023 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:43,138 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 09:41:43,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:43,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 643 states and 798 transitions. [2018-11-23 09:41:43,277 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 798 transitions. [2018-11-23 09:41:43,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-23 09:41:43,278 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:43,531 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 7 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:41:44,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:44,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 782 states and 939 transitions. [2018-11-23 09:41:44,564 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 939 transitions. [2018-11-23 09:41:44,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-23 09:41:44,565 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:44,684 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 09:41:44,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:44,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 802 states and 960 transitions. [2018-11-23 09:41:44,813 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 960 transitions. [2018-11-23 09:41:44,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-23 09:41:44,814 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:44,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:45,315 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 09:41:47,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:47,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 858 states and 1034 transitions. [2018-11-23 09:41:47,628 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1034 transitions. [2018-11-23 09:41:47,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-23 09:41:47,629 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:47,693 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 09:41:48,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:48,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 866 states and 1042 transitions. [2018-11-23 09:41:48,434 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1042 transitions. [2018-11-23 09:41:48,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-23 09:41:48,435 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:48,489 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 09:41:48,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:48,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 873 states and 1050 transitions. [2018-11-23 09:41:48,991 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1050 transitions. [2018-11-23 09:41:48,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-23 09:41:48,992 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:49,032 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 09:41:49,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:49,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 875 states and 1055 transitions. [2018-11-23 09:41:49,116 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1055 transitions. [2018-11-23 09:41:49,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-23 09:41:49,117 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:49,158 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 09:41:49,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:49,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 877 states and 1057 transitions. [2018-11-23 09:41:49,209 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1057 transitions. [2018-11-23 09:41:49,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 09:41:49,209 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:49,723 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 09:41:53,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:53,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 945 states and 1139 transitions. [2018-11-23 09:41:53,407 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1139 transitions. [2018-11-23 09:41:53,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 09:41:53,408 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:53,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:53,549 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 09:41:54,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:54,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 962 states and 1156 transitions. [2018-11-23 09:41:54,187 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1156 transitions. [2018-11-23 09:41:54,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-23 09:41:54,188 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:54,667 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-23 09:41:55,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:55,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 992 states and 1195 transitions. [2018-11-23 09:41:55,905 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1195 transitions. [2018-11-23 09:41:55,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-23 09:41:55,906 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:55,967 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-23 09:41:56,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:56,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 993 states and 1195 transitions. [2018-11-23 09:41:56,204 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1195 transitions. [2018-11-23 09:41:56,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-23 09:41:56,205 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:56,274 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 118 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 09:41:56,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:56,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 995 states and 1198 transitions. [2018-11-23 09:41:56,484 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1198 transitions. [2018-11-23 09:41:56,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-23 09:41:56,485 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:56,568 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 116 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-23 09:41:57,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:57,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1065 states and 1279 transitions. [2018-11-23 09:41:57,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1279 transitions. [2018-11-23 09:41:57,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-23 09:41:57,874 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:57,918 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 116 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-23 09:41:58,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:58,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1068 states and 1282 transitions. [2018-11-23 09:41:58,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1282 transitions. [2018-11-23 09:41:58,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-23 09:41:58,172 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:58,216 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-23 09:41:58,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:41:58,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1071 states and 1285 transitions. [2018-11-23 09:41:58,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1285 transitions. [2018-11-23 09:41:58,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-23 09:41:58,568 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:41:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:41:59,185 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 137 proven. 70 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-23 09:42:00,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:00,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1106 states and 1327 transitions. [2018-11-23 09:42:00,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1327 transitions. [2018-11-23 09:42:00,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 09:42:00,434 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:01,158 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 09:42:04,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:04,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 1175 states and 1412 transitions. [2018-11-23 09:42:04,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1412 transitions. [2018-11-23 09:42:04,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 09:42:04,127 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:04,287 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 09:42:04,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:04,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1178 states and 1416 transitions. [2018-11-23 09:42:04,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1416 transitions. [2018-11-23 09:42:04,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-23 09:42:04,572 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:04,674 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 09:42:05,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:05,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1202 states and 1443 transitions. [2018-11-23 09:42:05,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1443 transitions. [2018-11-23 09:42:05,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-23 09:42:05,917 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:06,312 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-23 09:42:07,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:07,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1243 states and 1486 transitions. [2018-11-23 09:42:07,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1486 transitions. [2018-11-23 09:42:07,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-23 09:42:07,543 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:07,668 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-23 09:42:07,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:07,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1257 states and 1500 transitions. [2018-11-23 09:42:07,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1500 transitions. [2018-11-23 09:42:07,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-23 09:42:07,948 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:08,860 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 09:42:10,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:10,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1261 states and 1507 transitions. [2018-11-23 09:42:10,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1507 transitions. [2018-11-23 09:42:10,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-23 09:42:10,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:10,590 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 09:42:11,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:11,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1264 states and 1511 transitions. [2018-11-23 09:42:11,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1511 transitions. [2018-11-23 09:42:11,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-23 09:42:11,309 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:11,401 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 09:42:11,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:11,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1334 states and 1584 transitions. [2018-11-23 09:42:11,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1584 transitions. [2018-11-23 09:42:11,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-23 09:42:11,892 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:11,957 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-11-23 09:42:12,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:12,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1340 states and 1595 transitions. [2018-11-23 09:42:12,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1595 transitions. [2018-11-23 09:42:12,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-23 09:42:12,891 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:12,937 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-11-23 09:42:13,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:13,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1343 states and 1600 transitions. [2018-11-23 09:42:13,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1600 transitions. [2018-11-23 09:42:13,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-23 09:42:13,226 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:13,268 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-11-23 09:42:13,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:13,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1346 states and 1605 transitions. [2018-11-23 09:42:13,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1605 transitions. [2018-11-23 09:42:13,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-23 09:42:13,739 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:13,779 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-11-23 09:42:14,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:14,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1348 states and 1608 transitions. [2018-11-23 09:42:14,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1608 transitions. [2018-11-23 09:42:14,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-11-23 09:42:14,113 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:15,227 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-23 09:42:18,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:18,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1396 states and 1663 transitions. [2018-11-23 09:42:18,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 1663 transitions. [2018-11-23 09:42:18,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-11-23 09:42:18,332 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:18,520 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-23 09:42:18,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:18,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1396 states and 1662 transitions. [2018-11-23 09:42:18,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 1662 transitions. [2018-11-23 09:42:18,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-11-23 09:42:18,922 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:19,042 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 221 proven. 3 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-23 09:42:19,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:19,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1398 states and 1666 transitions. [2018-11-23 09:42:19,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 1666 transitions. [2018-11-23 09:42:19,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-11-23 09:42:19,298 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:19,596 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-11-23 09:42:20,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:20,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1468 states and 1740 transitions. [2018-11-23 09:42:20,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 1740 transitions. [2018-11-23 09:42:20,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 09:42:20,495 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:21,155 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 09:42:22,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:22,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 1486 states and 1763 transitions. [2018-11-23 09:42:22,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 1763 transitions. [2018-11-23 09:42:22,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 09:42:22,470 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:22,650 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 09:42:23,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:23,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1767 states to 1489 states and 1767 transitions. [2018-11-23 09:42:23,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 1767 transitions. [2018-11-23 09:42:23,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-11-23 09:42:23,020 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:23,080 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-11-23 09:42:24,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:24,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1510 states and 1793 transitions. [2018-11-23 09:42:24,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1793 transitions. [2018-11-23 09:42:24,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-11-23 09:42:24,465 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:24,526 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-11-23 09:42:24,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:24,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1511 states and 1793 transitions. [2018-11-23 09:42:24,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 1793 transitions. [2018-11-23 09:42:24,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-23 09:42:24,596 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:25,966 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 09:42:29,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:29,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1828 states to 1542 states and 1828 transitions. [2018-11-23 09:42:29,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 1828 transitions. [2018-11-23 09:42:29,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-23 09:42:29,175 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:29,331 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 09:42:30,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:30,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1543 states and 1827 transitions. [2018-11-23 09:42:30,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 1827 transitions. [2018-11-23 09:42:30,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-23 09:42:30,057 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:31,259 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 09:42:36,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:36,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 1595 states and 1885 transitions. [2018-11-23 09:42:36,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 1885 transitions. [2018-11-23 09:42:36,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-23 09:42:36,363 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:36,509 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 09:42:37,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:37,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 1598 states and 1889 transitions. [2018-11-23 09:42:37,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 1889 transitions. [2018-11-23 09:42:37,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-23 09:42:37,413 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:37,701 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 09:42:39,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:39,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1910 states to 1616 states and 1910 transitions. [2018-11-23 09:42:39,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 1910 transitions. [2018-11-23 09:42:39,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-23 09:42:39,456 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:39,632 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 09:42:40,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:40,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 1617 states and 1909 transitions. [2018-11-23 09:42:40,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1617 states and 1909 transitions. [2018-11-23 09:42:40,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-23 09:42:40,320 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:40,546 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 09:42:41,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:41,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1912 states to 1620 states and 1912 transitions. [2018-11-23 09:42:41,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1620 states and 1912 transitions. [2018-11-23 09:42:41,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 09:42:41,244 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:42,465 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 09:42:46,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:46,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1958 states to 1663 states and 1958 transitions. [2018-11-23 09:42:46,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1663 states and 1958 transitions. [2018-11-23 09:42:46,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 09:42:46,868 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:47,047 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 09:42:49,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:49,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1988 states to 1692 states and 1988 transitions. [2018-11-23 09:42:49,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1692 states and 1988 transitions. [2018-11-23 09:42:49,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-23 09:42:49,300 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:49,484 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 09:42:49,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:49,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1989 states to 1694 states and 1989 transitions. [2018-11-23 09:42:49,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 1989 transitions. [2018-11-23 09:42:49,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-11-23 09:42:49,951 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:50,539 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 157 proven. 237 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-23 09:42:51,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:51,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1997 states to 1700 states and 1997 transitions. [2018-11-23 09:42:51,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 1997 transitions. [2018-11-23 09:42:51,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-11-23 09:42:51,471 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:51,707 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 387 proven. 128 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-23 09:42:52,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:52,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2032 states to 1731 states and 2032 transitions. [2018-11-23 09:42:52,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2032 transitions. [2018-11-23 09:42:52,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-11-23 09:42:52,713 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:52,824 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 387 proven. 128 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-23 09:42:53,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:53,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2040 states to 1738 states and 2040 transitions. [2018-11-23 09:42:53,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2040 transitions. [2018-11-23 09:42:53,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-11-23 09:42:53,488 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:53,563 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 376 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2018-11-23 09:42:54,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:42:54,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2112 states to 1809 states and 2112 transitions. [2018-11-23 09:42:54,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2112 transitions. [2018-11-23 09:42:54,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-11-23 09:42:54,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:42:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:42:55,406 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 559 proven. 18 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-11-23 09:43:01,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:43:01,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 1871 states and 2200 transitions. [2018-11-23 09:43:01,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2200 transitions. [2018-11-23 09:43:01,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-11-23 09:43:01,382 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:43:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:43:01,674 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 559 proven. 18 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-11-23 09:43:03,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:43:03,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2221 states to 1890 states and 2221 transitions. [2018-11-23 09:43:03,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1890 states and 2221 transitions. [2018-11-23 09:43:03,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-11-23 09:43:03,266 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:43:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:43:03,602 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 559 proven. 18 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-11-23 09:43:04,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:43:04,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 1895 states and 2229 transitions. [2018-11-23 09:43:04,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1895 states and 2229 transitions. [2018-11-23 09:43:04,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2018-11-23 09:43:04,624 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:43:04,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:43:05,395 INFO L134 CoverageAnalysis]: Checked inductivity of 843 backedges. 505 proven. 157 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2018-11-23 09:43:06,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:43:06,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2238 states to 1903 states and 2238 transitions. [2018-11-23 09:43:06,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 2238 transitions. [2018-11-23 09:43:06,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-11-23 09:43:06,786 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:43:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:43:07,063 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 525 proven. 167 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2018-11-23 09:43:07,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:43:07,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2243 states to 1908 states and 2243 transitions. [2018-11-23 09:43:07,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1908 states and 2243 transitions. [2018-11-23 09:43:07,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-11-23 09:43:07,299 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:43:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:43:07,401 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 4 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2018-11-23 09:43:07,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:43:07,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 1840 states and 2174 transitions. [2018-11-23 09:43:07,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2174 transitions. [2018-11-23 09:43:07,646 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 09:43:07,646 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 90 iterations. [2018-11-23 09:43:07,653 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 09:43:08,280 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 16 [2018-11-23 09:43:08,456 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 41 [2018-11-23 09:43:08,904 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 44 [2018-11-23 09:43:09,098 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 41 [2018-11-23 09:43:09,794 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 16 [2018-11-23 09:43:10,503 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 43 [2018-11-23 09:43:11,189 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 16 [2018-11-23 09:43:11,982 WARN L180 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 70 [2018-11-23 09:43:12,643 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 44 [2018-11-23 09:43:12,643 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 09:43:12,645 INFO L579 CodeCheckObserver]: Invariant with dag size 16 [2018-11-23 09:43:12,650 INFO L579 CodeCheckObserver]: Invariant with dag size 16 [2018-11-23 09:43:12,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 09:43:12 ImpRootNode [2018-11-23 09:43:12,651 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 09:43:12,651 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 09:43:12,651 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 09:43:12,651 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 09:43:12,651 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:41:28" (3/4) ... [2018-11-23 09:43:12,656 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 09:43:12,670 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-11-23 09:43:12,670 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-23 09:43:12,671 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 09:43:12,672 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 09:43:12,770 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_24948d41-c1c3-4d89-9881-57809a18dc1b/bin-2019/ukojak/witness.graphml [2018-11-23 09:43:12,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 09:43:12,771 INFO L168 Benchmark]: Toolchain (without parser) took 106566.47 ms. Allocated memory was 1.0 GB in the beginning and 3.3 GB in the end (delta: 2.3 GB). Free memory was 953.9 MB in the beginning and 1.8 GB in the end (delta: -863.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-11-23 09:43:12,771 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 09:43:12,771 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 953.9 MB in the beginning and 1.2 GB in the end (delta: -205.0 MB). Peak memory consumption was 59.6 MB. Max. memory is 11.5 GB. [2018-11-23 09:43:12,772 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-11-23 09:43:12,772 INFO L168 Benchmark]: Boogie Preprocessor took 42.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-23 09:43:12,772 INFO L168 Benchmark]: RCFGBuilder took 1293.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 908.0 MB in the end (delta: 231.0 MB). Peak memory consumption was 231.0 MB. Max. memory is 11.5 GB. [2018-11-23 09:43:12,772 INFO L168 Benchmark]: CodeCheck took 104630.48 ms. Allocated memory was 1.2 GB in the beginning and 3.3 GB in the end (delta: 2.1 GB). Free memory was 908.0 MB in the beginning and 1.8 GB in the end (delta: -909.4 MB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-11-23 09:43:12,773 INFO L168 Benchmark]: Witness Printer took 119.17 ms. Allocated memory is still 3.3 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 15.3 kB). Peak memory consumption was 15.3 kB. Max. memory is 11.5 GB. [2018-11-23 09:43:12,774 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, 99.6s OverallTime, 90 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 118287140 SDtfs, -2046723950 SDslu, 743050168 SDs, 0 SdLazy, -964200810 SolverSat, -1505968684 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 221.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 111142 GetRequests, 106311 SyntacticMatches, 3737 SemanticMatches, 1094 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 891184 ImplicationChecksByTransitivity, 85.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 16.1s InterpolantComputationTime, 17189 NumberOfCodeBlocks, 17189 NumberOfCodeBlocksAsserted, 89 NumberOfCheckSat, 17100 ConstructedInterpolants, 0 QuantifiedInterpolants, 25482210 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 89 InterpolantComputations, 59 PerfectInterpolantSequences, 20675/21964 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: 503]: 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 == 14) || !(a7 == 1)) || !(a17 == 1)) || !(a16 == 4) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((!(a7 == 1) || !(a17 == 1)) || !(a16 == 4)) || !(a8 == 14) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 421.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 953.9 MB in the beginning and 1.2 GB in the end (delta: -205.0 MB). Peak memory consumption was 59.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1293.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 908.0 MB in the end (delta: 231.0 MB). Peak memory consumption was 231.0 MB. Max. memory is 11.5 GB. * CodeCheck took 104630.48 ms. Allocated memory was 1.2 GB in the beginning and 3.3 GB in the end (delta: 2.1 GB). Free memory was 908.0 MB in the beginning and 1.8 GB in the end (delta: -909.4 MB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. * Witness Printer took 119.17 ms. Allocated memory is still 3.3 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 15.3 kB). Peak memory consumption was 15.3 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...