./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label31_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_a13b596c-7854-433e-83e0-f28794e8e8f5/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a13b596c-7854-433e-83e0-f28794e8e8f5/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a13b596c-7854-433e-83e0-f28794e8e8f5/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a13b596c-7854-433e-83e0-f28794e8e8f5/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label31_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a13b596c-7854-433e-83e0-f28794e8e8f5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a13b596c-7854-433e-83e0-f28794e8e8f5/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 6c11a77ae60398387f07c46b13bc2f8c57513c68 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 01:04:28,225 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:04:28,226 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:04:28,236 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:04:28,236 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:04:28,237 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:04:28,238 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:04:28,239 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:04:28,241 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:04:28,242 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:04:28,242 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:04:28,243 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:04:28,243 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:04:28,244 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:04:28,245 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:04:28,246 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:04:28,246 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:04:28,248 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:04:28,249 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:04:28,250 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:04:28,251 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:04:28,252 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:04:28,254 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:04:28,254 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:04:28,254 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:04:28,255 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:04:28,256 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:04:28,256 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:04:28,257 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:04:28,258 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:04:28,258 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:04:28,259 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:04:28,259 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:04:28,259 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:04:28,260 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:04:28,260 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:04:28,260 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a13b596c-7854-433e-83e0-f28794e8e8f5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 01:04:28,272 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:04:28,272 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:04:28,273 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:04:28,274 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 01:04:28,274 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 01:04:28,274 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 01:04:28,275 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:04:28,275 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:04:28,275 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:04:28,275 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:04:28,275 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:04:28,276 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:04:28,276 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:04:28,276 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:04:28,276 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:04:28,276 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:04:28,276 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:04:28,277 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:04:28,277 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 01:04:28,277 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 01:04:28,277 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:04:28,277 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:04:28,278 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 01:04:28,278 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:04:28,278 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:04:28,278 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:04:28,278 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 01:04:28,279 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:04:28,279 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:04:28,279 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_a13b596c-7854-433e-83e0-f28794e8e8f5/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 -> 6c11a77ae60398387f07c46b13bc2f8c57513c68 [2018-11-23 01:04:28,307 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:04:28,317 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:04:28,319 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:04:28,320 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:04:28,320 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:04:28,320 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a13b596c-7854-433e-83e0-f28794e8e8f5/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label31_true-unreach-call_false-termination.c [2018-11-23 01:04:28,364 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a13b596c-7854-433e-83e0-f28794e8e8f5/bin-2019/ukojak/data/f549df58a/eba1da6daf98461993c8ffb93eeabc78/FLAGc0c249518 [2018-11-23 01:04:28,784 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:04:28,785 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a13b596c-7854-433e-83e0-f28794e8e8f5/sv-benchmarks/c/eca-rers2012/Problem01_label31_true-unreach-call_false-termination.c [2018-11-23 01:04:28,796 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a13b596c-7854-433e-83e0-f28794e8e8f5/bin-2019/ukojak/data/f549df58a/eba1da6daf98461993c8ffb93eeabc78/FLAGc0c249518 [2018-11-23 01:04:29,133 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a13b596c-7854-433e-83e0-f28794e8e8f5/bin-2019/ukojak/data/f549df58a/eba1da6daf98461993c8ffb93eeabc78 [2018-11-23 01:04:29,135 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:04:29,136 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:04:29,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:04:29,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:04:29,139 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:04:29,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:04:29" (1/1) ... [2018-11-23 01:04:29,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb4fcbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:29, skipping insertion in model container [2018-11-23 01:04:29,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:04:29" (1/1) ... [2018-11-23 01:04:29,149 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:04:29,190 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:04:29,475 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:04:29,479 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:04:29,561 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:04:29,577 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:04:29,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:29 WrapperNode [2018-11-23 01:04:29,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:04:29,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:04:29,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:04:29,578 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:04:29,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:29" (1/1) ... [2018-11-23 01:04:29,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:29" (1/1) ... [2018-11-23 01:04:29,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:04:29,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:04:29,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:04:29,702 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:04:29,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:29" (1/1) ... [2018-11-23 01:04:29,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:29" (1/1) ... [2018-11-23 01:04:29,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:29" (1/1) ... [2018-11-23 01:04:29,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:29" (1/1) ... [2018-11-23 01:04:29,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:29" (1/1) ... [2018-11-23 01:04:29,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:29" (1/1) ... [2018-11-23 01:04:29,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:29" (1/1) ... [2018-11-23 01:04:29,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:04:29,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:04:29,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:04:29,753 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:04:29,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:04:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a13b596c-7854-433e-83e0-f28794e8e8f5/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 01:04:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 01:04:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:04:29,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:04:31,515 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:04:31,516 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 01:04:31,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:04:31 BoogieIcfgContainer [2018-11-23 01:04:31,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:04:31,517 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 01:04:31,517 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 01:04:31,526 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 01:04:31,526 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:04:31" (1/1) ... [2018-11-23 01:04:31,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:04:31,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:31,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-11-23 01:04:31,569 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-11-23 01:04:31,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 01:04:31,574 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:31,840 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 01:04:32,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:32,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 145 states and 231 transitions. [2018-11-23 01:04:32,320 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 231 transitions. [2018-11-23 01:04:32,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 01:04:32,322 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:32,428 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 01:04:32,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:32,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 215 states and 304 transitions. [2018-11-23 01:04:32,841 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 304 transitions. [2018-11-23 01:04:32,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 01:04:32,843 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:32,909 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 01:04:33,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:33,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 216 states and 305 transitions. [2018-11-23 01:04:33,012 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 305 transitions. [2018-11-23 01:04:33,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-23 01:04:33,014 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:33,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:33,049 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:04:33,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:33,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 231 states and 323 transitions. [2018-11-23 01:04:33,171 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 323 transitions. [2018-11-23 01:04:33,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-23 01:04:33,173 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:33,201 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:04:33,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:33,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 232 states and 325 transitions. [2018-11-23 01:04:33,306 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 325 transitions. [2018-11-23 01:04:33,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-23 01:04:33,311 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:33,387 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:04:33,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:33,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 252 states and 350 transitions. [2018-11-23 01:04:33,634 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 350 transitions. [2018-11-23 01:04:33,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-23 01:04:33,635 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:33,667 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 01:04:33,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:33,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 253 states and 351 transitions. [2018-11-23 01:04:33,794 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 351 transitions. [2018-11-23 01:04:33,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-23 01:04:33,795 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:33,838 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:04:34,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:34,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 254 states and 353 transitions. [2018-11-23 01:04:34,073 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 353 transitions. [2018-11-23 01:04:34,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-23 01:04:34,074 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:34,164 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:04:34,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:34,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 280 states and 386 transitions. [2018-11-23 01:04:34,563 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 386 transitions. [2018-11-23 01:04:34,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-23 01:04:34,564 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:34,592 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 01:04:34,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:34,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 285 states and 394 transitions. [2018-11-23 01:04:34,718 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 394 transitions. [2018-11-23 01:04:34,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 01:04:34,719 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:34,799 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 01:04:35,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:35,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 299 states and 415 transitions. [2018-11-23 01:04:35,208 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 415 transitions. [2018-11-23 01:04:35,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 01:04:35,209 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:35,233 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:04:35,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:35,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 302 states and 418 transitions. [2018-11-23 01:04:35,311 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 418 transitions. [2018-11-23 01:04:35,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 01:04:35,311 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:35,336 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 01:04:35,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:35,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 308 states and 425 transitions. [2018-11-23 01:04:35,368 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 425 transitions. [2018-11-23 01:04:35,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 01:04:35,369 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:35,398 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 01:04:35,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:35,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 313 states and 429 transitions. [2018-11-23 01:04:35,565 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 429 transitions. [2018-11-23 01:04:35,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 01:04:35,566 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:35,688 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 01:04:36,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:36,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 322 states and 445 transitions. [2018-11-23 01:04:36,082 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 445 transitions. [2018-11-23 01:04:36,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-23 01:04:36,083 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:36,133 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:04:36,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:36,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 336 states and 459 transitions. [2018-11-23 01:04:36,193 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 459 transitions. [2018-11-23 01:04:36,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 01:04:36,194 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:36,331 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 01:04:36,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:36,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 350 states and 478 transitions. [2018-11-23 01:04:36,719 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 478 transitions. [2018-11-23 01:04:36,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-23 01:04:36,721 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:36,812 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-23 01:04:37,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:37,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 362 states and 493 transitions. [2018-11-23 01:04:37,317 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 493 transitions. [2018-11-23 01:04:37,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-23 01:04:37,318 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:37,365 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:04:37,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:37,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 387 states and 519 transitions. [2018-11-23 01:04:37,597 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 519 transitions. [2018-11-23 01:04:37,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 01:04:37,597 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:37,704 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 01:04:38,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:38,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 388 states and 524 transitions. [2018-11-23 01:04:38,036 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 524 transitions. [2018-11-23 01:04:38,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-23 01:04:38,037 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:38,073 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 01:04:38,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:38,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 402 states and 539 transitions. [2018-11-23 01:04:38,167 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 539 transitions. [2018-11-23 01:04:38,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-23 01:04:38,168 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:38,224 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:04:38,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:38,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 409 states and 547 transitions. [2018-11-23 01:04:38,265 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 547 transitions. [2018-11-23 01:04:38,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-23 01:04:38,266 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:38,387 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:04:39,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:39,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 454 states and 602 transitions. [2018-11-23 01:04:39,078 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 602 transitions. [2018-11-23 01:04:39,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-23 01:04:39,079 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:39,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:39,165 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:04:39,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:39,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 494 states and 647 transitions. [2018-11-23 01:04:39,727 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 647 transitions. [2018-11-23 01:04:39,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-23 01:04:39,728 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:39,773 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:04:39,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:39,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 495 states and 647 transitions. [2018-11-23 01:04:39,907 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 647 transitions. [2018-11-23 01:04:39,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-23 01:04:39,908 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:39,928 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-23 01:04:39,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:39,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 506 states and 659 transitions. [2018-11-23 01:04:39,977 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 659 transitions. [2018-11-23 01:04:39,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-23 01:04:39,978 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:40,014 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 01:04:40,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:40,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 513 states and 668 transitions. [2018-11-23 01:04:40,085 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 668 transitions. [2018-11-23 01:04:40,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-23 01:04:40,086 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:40,124 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 01:04:40,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:40,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 538 states and 694 transitions. [2018-11-23 01:04:40,755 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 694 transitions. [2018-11-23 01:04:40,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 01:04:40,756 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:40,830 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 01:04:41,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:41,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 552 states and 710 transitions. [2018-11-23 01:04:41,194 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 710 transitions. [2018-11-23 01:04:41,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 01:04:41,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:41,619 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 01:04:42,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:42,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 580 states and 745 transitions. [2018-11-23 01:04:42,877 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 745 transitions. [2018-11-23 01:04:42,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 01:04:42,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:42,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:42,960 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 01:04:43,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:43,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 593 states and 761 transitions. [2018-11-23 01:04:43,547 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 761 transitions. [2018-11-23 01:04:43,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-23 01:04:43,549 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:43,964 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 01:04:45,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:45,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 658 states and 830 transitions. [2018-11-23 01:04:45,348 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 830 transitions. [2018-11-23 01:04:45,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 01:04:45,349 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:45,419 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-23 01:04:45,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:45,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 659 states and 836 transitions. [2018-11-23 01:04:45,471 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 836 transitions. [2018-11-23 01:04:45,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-23 01:04:45,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:46,006 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 01:04:47,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:47,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 728 states and 916 transitions. [2018-11-23 01:04:47,486 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 916 transitions. [2018-11-23 01:04:47,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-23 01:04:47,487 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:47,564 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 01:04:47,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:47,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 729 states and 916 transitions. [2018-11-23 01:04:47,599 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 916 transitions. [2018-11-23 01:04:47,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 01:04:47,600 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:47,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:47,792 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 01:04:48,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:48,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 775 states and 963 transitions. [2018-11-23 01:04:48,934 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 963 transitions. [2018-11-23 01:04:48,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 01:04:48,935 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:48,972 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 01:04:49,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:49,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 781 states and 971 transitions. [2018-11-23 01:04:49,389 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 971 transitions. [2018-11-23 01:04:49,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-23 01:04:49,390 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:49,788 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 106 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 01:04:50,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:50,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 792 states and 989 transitions. [2018-11-23 01:04:50,543 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 989 transitions. [2018-11-23 01:04:50,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-23 01:04:50,544 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:50,599 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 01:04:50,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:50,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 794 states and 991 transitions. [2018-11-23 01:04:50,655 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 991 transitions. [2018-11-23 01:04:50,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-23 01:04:50,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:50,706 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-23 01:04:50,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:50,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 795 states and 995 transitions. [2018-11-23 01:04:50,954 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 995 transitions. [2018-11-23 01:04:50,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-23 01:04:50,955 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:51,003 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-23 01:04:51,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:51,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 797 states and 997 transitions. [2018-11-23 01:04:51,219 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 997 transitions. [2018-11-23 01:04:51,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-23 01:04:51,220 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:51,433 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 01:04:52,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:52,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 807 states and 1012 transitions. [2018-11-23 01:04:52,077 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1012 transitions. [2018-11-23 01:04:52,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-23 01:04:52,078 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:52,276 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 106 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 01:04:53,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:53,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 826 states and 1034 transitions. [2018-11-23 01:04:53,125 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1034 transitions. [2018-11-23 01:04:53,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-23 01:04:53,127 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:53,632 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 155 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 01:04:54,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:54,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 840 states and 1049 transitions. [2018-11-23 01:04:54,469 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1049 transitions. [2018-11-23 01:04:54,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-23 01:04:54,471 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:54,526 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 01:04:54,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:54,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 843 states and 1056 transitions. [2018-11-23 01:04:54,888 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1056 transitions. [2018-11-23 01:04:54,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-23 01:04:54,889 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:54,954 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-23 01:04:55,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:55,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 844 states and 1056 transitions. [2018-11-23 01:04:55,248 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1056 transitions. [2018-11-23 01:04:55,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-23 01:04:55,249 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:55,301 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-23 01:04:55,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:55,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 845 states and 1056 transitions. [2018-11-23 01:04:55,588 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1056 transitions. [2018-11-23 01:04:55,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 01:04:55,589 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:04:56,119 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 01:04:59,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:04:59,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 914 states and 1136 transitions. [2018-11-23 01:04:59,908 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1136 transitions. [2018-11-23 01:04:59,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 01:04:59,909 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:04:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:00,033 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 01:05:00,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:00,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 941 states and 1164 transitions. [2018-11-23 01:05:00,952 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1164 transitions. [2018-11-23 01:05:00,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-23 01:05:00,953 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:01,025 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 121 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-23 01:05:02,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:02,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1015 states and 1250 transitions. [2018-11-23 01:05:02,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1250 transitions. [2018-11-23 01:05:02,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-23 01:05:02,286 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:02,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:02,659 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 110 proven. 69 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 01:05:04,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:04,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1057 states and 1301 transitions. [2018-11-23 01:05:04,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1301 transitions. [2018-11-23 01:05:04,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-23 01:05:04,093 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:04,130 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-23 01:05:04,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:04,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1060 states and 1305 transitions. [2018-11-23 01:05:04,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1305 transitions. [2018-11-23 01:05:04,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-23 01:05:04,382 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:04,422 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-23 01:05:04,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:04,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 1061 states and 1307 transitions. [2018-11-23 01:05:04,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1307 transitions. [2018-11-23 01:05:04,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-23 01:05:04,651 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:04,688 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-23 01:05:05,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:05,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1108 states and 1356 transitions. [2018-11-23 01:05:05,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1356 transitions. [2018-11-23 01:05:05,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 01:05:05,275 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:06,103 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 01:05:08,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:08,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1177 states and 1437 transitions. [2018-11-23 01:05:08,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1437 transitions. [2018-11-23 01:05:08,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 01:05:08,987 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:09,144 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 01:05:09,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:09,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 1193 states and 1455 transitions. [2018-11-23 01:05:09,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1455 transitions. [2018-11-23 01:05:09,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-23 01:05:09,634 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:09,833 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 124 proven. 4 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-23 01:05:10,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:10,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 1194 states and 1455 transitions. [2018-11-23 01:05:10,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1455 transitions. [2018-11-23 01:05:10,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-23 01:05:10,126 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:10,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:10,592 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-23 01:05:11,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:11,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1236 states and 1500 transitions. [2018-11-23 01:05:11,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1500 transitions. [2018-11-23 01:05:11,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-23 01:05:11,878 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:12,048 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-23 01:05:12,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:12,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1250 states and 1513 transitions. [2018-11-23 01:05:12,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1513 transitions. [2018-11-23 01:05:12,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-23 01:05:12,689 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:12,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:12,779 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 133 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-23 01:05:13,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:13,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1279 states and 1543 transitions. [2018-11-23 01:05:13,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1543 transitions. [2018-11-23 01:05:13,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-23 01:05:13,143 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:13,260 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 01:05:14,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:14,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1323 states and 1600 transitions. [2018-11-23 01:05:14,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1600 transitions. [2018-11-23 01:05:14,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-23 01:05:14,833 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:14,922 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 01:05:15,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:15,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1343 states and 1619 transitions. [2018-11-23 01:05:15,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1619 transitions. [2018-11-23 01:05:15,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-23 01:05:15,161 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:15,231 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 01:05:15,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:15,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1359 states and 1635 transitions. [2018-11-23 01:05:15,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1635 transitions. [2018-11-23 01:05:15,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-23 01:05:15,720 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:16,058 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 164 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-11-23 01:05:17,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:17,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1384 states and 1663 transitions. [2018-11-23 01:05:17,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 1663 transitions. [2018-11-23 01:05:17,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-23 01:05:17,959 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:18,691 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 01:05:19,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:19,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1388 states and 1667 transitions. [2018-11-23 01:05:19,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 1667 transitions. [2018-11-23 01:05:19,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-23 01:05:19,885 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:19,983 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 01:05:20,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:20,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1458 states and 1740 transitions. [2018-11-23 01:05:20,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 1740 transitions. [2018-11-23 01:05:20,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-23 01:05:20,495 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:20,835 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 240 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 01:05:22,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:22,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 1494 states and 1788 transitions. [2018-11-23 01:05:22,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 1788 transitions. [2018-11-23 01:05:22,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 01:05:22,939 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:24,039 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 01:05:27,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:27,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1848 states to 1554 states and 1848 transitions. [2018-11-23 01:05:27,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 1848 transitions. [2018-11-23 01:05:27,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-23 01:05:27,213 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:28,044 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-23 01:05:30,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:30,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1890 states to 1584 states and 1890 transitions. [2018-11-23 01:05:30,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 1890 transitions. [2018-11-23 01:05:30,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-23 01:05:30,702 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:30,824 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-23 01:05:31,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:31,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 1595 states and 1901 transitions. [2018-11-23 01:05:31,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 1901 transitions. [2018-11-23 01:05:31,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-11-23 01:05:31,066 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:31,881 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 239 proven. 18 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 01:05:33,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:33,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1916 states to 1605 states and 1916 transitions. [2018-11-23 01:05:33,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 1916 transitions. [2018-11-23 01:05:33,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-23 01:05:33,463 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:33,930 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 44 proven. 227 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 01:05:36,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:36,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 1679 states and 2000 transitions. [2018-11-23 01:05:36,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 2000 transitions. [2018-11-23 01:05:36,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 01:05:36,402 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:36,933 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 01:05:38,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:38,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2019 states to 1696 states and 2019 transitions. [2018-11-23 01:05:38,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2019 transitions. [2018-11-23 01:05:38,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-23 01:05:38,885 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:40,404 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 01:05:43,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:43,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2052 states to 1728 states and 2052 transitions. [2018-11-23 01:05:43,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1728 states and 2052 transitions. [2018-11-23 01:05:43,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-23 01:05:43,361 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:44,660 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 01:05:49,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:49,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2086 states to 1756 states and 2086 transitions. [2018-11-23 01:05:49,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1756 states and 2086 transitions. [2018-11-23 01:05:49,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-23 01:05:49,319 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:49,464 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 01:05:52,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:52,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2113 states to 1783 states and 2113 transitions. [2018-11-23 01:05:52,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 2113 transitions. [2018-11-23 01:05:52,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 01:05:52,573 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:52,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:53,920 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 01:05:55,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:55,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 1784 states and 2115 transitions. [2018-11-23 01:05:55,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2115 transitions. [2018-11-23 01:05:55,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 01:05:55,291 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:55,487 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 01:05:57,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:57,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 1818 states and 2149 transitions. [2018-11-23 01:05:57,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1818 states and 2149 transitions. [2018-11-23 01:05:57,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 01:05:57,775 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:57,911 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 01:05:59,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:05:59,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 1835 states and 2167 transitions. [2018-11-23 01:05:59,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2167 transitions. [2018-11-23 01:05:59,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-23 01:05:59,344 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:05:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:05:59,470 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 301 proven. 8 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-11-23 01:06:00,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:06:00,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2122 states to 1783 states and 2122 transitions. [2018-11-23 01:06:00,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 2122 transitions. [2018-11-23 01:06:00,663 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 01:06:00,664 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 81 iterations. [2018-11-23 01:06:00,671 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 01:06:01,375 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 11 [2018-11-23 01:06:01,904 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 11 [2018-11-23 01:06:02,028 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 11 [2018-11-23 01:06:03,297 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 11 [2018-11-23 01:06:04,316 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 11 [2018-11-23 01:06:04,595 WARN L180 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 55 [2018-11-23 01:06:04,924 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 11 [2018-11-23 01:06:05,071 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 11 [2018-11-23 01:06:05,429 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 43 [2018-11-23 01:06:05,429 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:06:05,431 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-23 01:06:05,437 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-23 01:06:05,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:06:05 ImpRootNode [2018-11-23 01:06:05,438 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 01:06:05,438 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:06:05,438 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:06:05,439 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:06:05,439 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:04:31" (3/4) ... [2018-11-23 01:06:05,443 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 01:06:05,461 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 100 nodes and edges [2018-11-23 01:06:05,462 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-23 01:06:05,463 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 01:06:05,568 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a13b596c-7854-433e-83e0-f28794e8e8f5/bin-2019/ukojak/witness.graphml [2018-11-23 01:06:05,569 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:06:05,569 INFO L168 Benchmark]: Toolchain (without parser) took 96433.77 ms. Allocated memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: 2.0 GB). Free memory was 950.0 MB in the beginning and 1.2 GB in the end (delta: -224.2 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-11-23 01:06:05,570 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:06:05,570 INFO L168 Benchmark]: CACSL2BoogieTranslator took 440.87 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 912.4 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 01:06:05,570 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 912.4 MB in the beginning and 1.1 GB in the end (delta: -217.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-23 01:06:05,570 INFO L168 Benchmark]: Boogie Preprocessor took 50.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-23 01:06:05,571 INFO L168 Benchmark]: RCFGBuilder took 1763.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 891.2 MB in the end (delta: 230.0 MB). Peak memory consumption was 230.0 MB. Max. memory is 11.5 GB. [2018-11-23 01:06:05,571 INFO L168 Benchmark]: CodeCheck took 93921.15 ms. Allocated memory was 1.2 GB in the beginning and 3.0 GB in the end (delta: 1.9 GB). Free memory was 891.2 MB in the beginning and 1.2 GB in the end (delta: -324.0 MB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. [2018-11-23 01:06:05,571 INFO L168 Benchmark]: Witness Printer took 130.34 ms. Allocated memory is still 3.0 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 41.0 MB). Peak memory consumption was 41.0 MB. Max. memory is 11.5 GB. [2018-11-23 01:06:05,573 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, 89.1s OverallTime, 81 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 404992728 SDtfs, -157037208 SDslu, -597214332 SDs, 0 SdLazy, 1449565400 SolverSat, 1871536808 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 221.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87053 GetRequests, 83602 SyntacticMatches, 2459 SemanticMatches, 992 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 780930 ImplicationChecksByTransitivity, 75.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 15.4s InterpolantComputationTime, 12995 NumberOfCodeBlocks, 12995 NumberOfCodeBlocksAsserted, 80 NumberOfCheckSat, 12915 ConstructedInterpolants, 0 QuantifiedInterpolants, 14617892 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 80 InterpolantComputations, 62 PerfectInterpolantSequences, 11951/12493 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: 452]: 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: (a20 == 1 || !(6 == a16)) || !(a7 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (!(6 == a16) || !(a7 == 1)) || a20 == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 440.87 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 912.4 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 123.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 912.4 MB in the beginning and 1.1 GB in the end (delta: -217.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1763.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 891.2 MB in the end (delta: 230.0 MB). Peak memory consumption was 230.0 MB. Max. memory is 11.5 GB. * CodeCheck took 93921.15 ms. Allocated memory was 1.2 GB in the beginning and 3.0 GB in the end (delta: 1.9 GB). Free memory was 891.2 MB in the beginning and 1.2 GB in the end (delta: -324.0 MB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. * Witness Printer took 130.34 ms. Allocated memory is still 3.0 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 41.0 MB). Peak memory consumption was 41.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...