./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label54_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_57b7a2b2-c549-4b75-bba3-ac28da5aadb3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_57b7a2b2-c549-4b75-bba3-ac28da5aadb3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_57b7a2b2-c549-4b75-bba3-ac28da5aadb3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_57b7a2b2-c549-4b75-bba3-ac28da5aadb3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label54_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_57b7a2b2-c549-4b75-bba3-ac28da5aadb3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_57b7a2b2-c549-4b75-bba3-ac28da5aadb3/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 7013b5440d15c52781747fe18e114861ef321ee3 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:49:51,900 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:49:51,902 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:49:51,913 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:49:51,913 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:49:51,914 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:49:51,915 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:49:51,917 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:49:51,922 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:49:51,926 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:49:51,927 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:49:51,927 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:49:51,927 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:49:51,928 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:49:51,929 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:49:51,929 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:49:51,930 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:49:51,935 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:49:51,936 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:49:51,937 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:49:51,938 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:49:51,939 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:49:51,944 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:49:51,944 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:49:51,944 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:49:51,945 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:49:51,945 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:49:51,946 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:49:51,947 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:49:51,950 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:49:51,950 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:49:51,951 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:49:51,951 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:49:51,951 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:49:51,952 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:49:51,952 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:49:51,953 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_57b7a2b2-c549-4b75-bba3-ac28da5aadb3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 21:49:51,970 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:49:51,971 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:49:51,972 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:49:51,972 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:49:51,972 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:49:51,973 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:49:51,973 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:49:51,973 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:49:51,973 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:49:51,973 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:49:51,973 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:49:51,974 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:49:51,975 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:49:51,975 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:49:51,975 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:49:51,975 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:49:51,975 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:49:51,975 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 21:49:51,976 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 21:49:51,976 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:49:51,976 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:49:51,976 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:49:51,976 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:49:51,976 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:49:51,977 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:49:51,977 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 21:49:51,977 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:49:51,977 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:49:51,977 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_57b7a2b2-c549-4b75-bba3-ac28da5aadb3/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 -> 7013b5440d15c52781747fe18e114861ef321ee3 [2018-10-26 21:49:52,006 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:49:52,016 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:49:52,019 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:49:52,020 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:49:52,020 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:49:52,021 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_57b7a2b2-c549-4b75-bba3-ac28da5aadb3/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label54_true-unreach-call_false-termination.c [2018-10-26 21:49:52,064 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_57b7a2b2-c549-4b75-bba3-ac28da5aadb3/bin-2019/ukojak/data/cec7c9daf/5a29cebe725b40b3b3a3ec2b76fd2869/FLAG6b3e3d66d [2018-10-26 21:49:52,571 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:49:52,572 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_57b7a2b2-c549-4b75-bba3-ac28da5aadb3/sv-benchmarks/c/eca-rers2012/Problem02_label54_true-unreach-call_false-termination.c [2018-10-26 21:49:52,583 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_57b7a2b2-c549-4b75-bba3-ac28da5aadb3/bin-2019/ukojak/data/cec7c9daf/5a29cebe725b40b3b3a3ec2b76fd2869/FLAG6b3e3d66d [2018-10-26 21:49:52,598 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_57b7a2b2-c549-4b75-bba3-ac28da5aadb3/bin-2019/ukojak/data/cec7c9daf/5a29cebe725b40b3b3a3ec2b76fd2869 [2018-10-26 21:49:52,601 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:49:52,603 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:49:52,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:49:52,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:49:52,607 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:49:52,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:49:52" (1/1) ... [2018-10-26 21:49:52,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ccde937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:49:52, skipping insertion in model container [2018-10-26 21:49:52,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:49:52" (1/1) ... [2018-10-26 21:49:52,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:49:52,675 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:49:52,976 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:49:52,981 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:49:53,067 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:49:53,084 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:49:53,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:49:53 WrapperNode [2018-10-26 21:49:53,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:49:53,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:49:53,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:49:53,086 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:49:53,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:49:53" (1/1) ... [2018-10-26 21:49:53,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:49:53" (1/1) ... [2018-10-26 21:49:53,232 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:49:53,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:49:53,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:49:53,233 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:49:53,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:49:53" (1/1) ... [2018-10-26 21:49:53,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:49:53" (1/1) ... [2018-10-26 21:49:53,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:49:53" (1/1) ... [2018-10-26 21:49:53,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:49:53" (1/1) ... [2018-10-26 21:49:53,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:49:53" (1/1) ... [2018-10-26 21:49:53,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:49:53" (1/1) ... [2018-10-26 21:49:53,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:49:53" (1/1) ... [2018-10-26 21:49:53,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:49:53,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:49:53,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:49:53,293 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:49:53,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:49:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_57b7a2b2-c549-4b75-bba3-ac28da5aadb3/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 [2018-10-26 21:49:53,352 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 21:49:53,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:49:53,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:49:57,694 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:49:57,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:49:57 BoogieIcfgContainer [2018-10-26 21:49:57,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:49:57,695 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 21:49:57,696 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 21:49:57,706 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 21:49:57,706 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:49:57" (1/1) ... [2018-10-26 21:49:57,718 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:49:57,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:49:57,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-10-26 21:49:57,757 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-10-26 21:49:57,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-26 21:49:57,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:49:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:49:58,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:49:59,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:49:59,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 165 states and 242 transitions. [2018-10-26 21:49:59,061 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 242 transitions. [2018-10-26 21:49:59,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 21:49:59,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:49:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:49:59,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 21:49:59,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:49:59,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 166 states and 245 transitions. [2018-10-26 21:49:59,406 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 245 transitions. [2018-10-26 21:49:59,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-26 21:49:59,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:49:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:49:59,554 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:49:59,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:49:59,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 184 states and 271 transitions. [2018-10-26 21:49:59,761 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 271 transitions. [2018-10-26 21:49:59,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-26 21:49:59,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:49:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:49:59,974 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:00,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:00,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 203 states and 296 transitions. [2018-10-26 21:50:00,479 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 296 transitions. [2018-10-26 21:50:00,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-26 21:50:00,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:00,598 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:01,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:01,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 222 states and 324 transitions. [2018-10-26 21:50:01,290 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 324 transitions. [2018-10-26 21:50:01,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 21:50:01,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:01,429 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 21:50:01,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:01,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 246 states and 361 transitions. [2018-10-26 21:50:01,936 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 361 transitions. [2018-10-26 21:50:01,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 21:50:01,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:01,977 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 21:50:02,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:02,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 264 states and 383 transitions. [2018-10-26 21:50:02,435 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 383 transitions. [2018-10-26 21:50:02,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 21:50:02,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:02,468 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:02,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:02,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 269 states and 389 transitions. [2018-10-26 21:50:02,774 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 389 transitions. [2018-10-26 21:50:02,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 21:50:02,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:02,869 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:03,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:03,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 293 states and 424 transitions. [2018-10-26 21:50:03,459 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 424 transitions. [2018-10-26 21:50:03,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-26 21:50:03,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:03,488 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:03,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:03,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 298 states and 432 transitions. [2018-10-26 21:50:03,721 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 432 transitions. [2018-10-26 21:50:03,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-26 21:50:03,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:03,751 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:04,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:04,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 302 states and 437 transitions. [2018-10-26 21:50:04,477 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 437 transitions. [2018-10-26 21:50:04,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 21:50:04,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:05,172 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:50:06,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:06,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 382 states and 525 transitions. [2018-10-26 21:50:06,083 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 525 transitions. [2018-10-26 21:50:06,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-26 21:50:06,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:06,119 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:06,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:06,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 401 states and 547 transitions. [2018-10-26 21:50:06,752 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 547 transitions. [2018-10-26 21:50:06,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-26 21:50:06,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:06,779 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:07,360 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-26 21:50:07,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:07,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 403 states and 549 transitions. [2018-10-26 21:50:07,475 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 549 transitions. [2018-10-26 21:50:07,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-26 21:50:07,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:07,583 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:08,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:08,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 410 states and 557 transitions. [2018-10-26 21:50:08,009 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 557 transitions. [2018-10-26 21:50:08,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 21:50:08,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:08,193 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:09,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:09,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 433 states and 592 transitions. [2018-10-26 21:50:09,709 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 592 transitions. [2018-10-26 21:50:09,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 21:50:09,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:09,804 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:09,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:09,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 437 states and 596 transitions. [2018-10-26 21:50:09,952 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 596 transitions. [2018-10-26 21:50:09,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 21:50:09,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:10,015 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:10,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:10,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 441 states and 600 transitions. [2018-10-26 21:50:10,149 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 600 transitions. [2018-10-26 21:50:10,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 21:50:10,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:10,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:10,745 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:11,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:11,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 460 states and 623 transitions. [2018-10-26 21:50:11,355 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 623 transitions. [2018-10-26 21:50:11,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 21:50:11,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:11,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:11,457 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:11,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:11,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 464 states and 627 transitions. [2018-10-26 21:50:11,579 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 627 transitions. [2018-10-26 21:50:11,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-26 21:50:11,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:11,975 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:13,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:13,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 498 states and 673 transitions. [2018-10-26 21:50:13,501 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 673 transitions. [2018-10-26 21:50:13,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-26 21:50:13,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:13,776 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:14,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:14,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 510 states and 689 transitions. [2018-10-26 21:50:14,556 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 689 transitions. [2018-10-26 21:50:14,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-26 21:50:14,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:14,711 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:15,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:15,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 513 states and 695 transitions. [2018-10-26 21:50:15,068 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 695 transitions. [2018-10-26 21:50:15,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-26 21:50:15,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:15,108 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:15,828 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-26 21:50:17,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:17,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 524 states and 708 transitions. [2018-10-26 21:50:17,682 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 708 transitions. [2018-10-26 21:50:17,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-26 21:50:17,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:17,709 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:17,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:17,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 525 states and 708 transitions. [2018-10-26 21:50:17,915 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 708 transitions. [2018-10-26 21:50:17,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-26 21:50:17,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:18,383 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 21:50:18,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:18,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 528 states and 712 transitions. [2018-10-26 21:50:18,517 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 712 transitions. [2018-10-26 21:50:18,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-26 21:50:18,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:18,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:18,559 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:19,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:19,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 561 states and 747 transitions. [2018-10-26 21:50:19,612 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 747 transitions. [2018-10-26 21:50:19,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 21:50:19,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:19,728 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:19,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:19,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 573 states and 760 transitions. [2018-10-26 21:50:19,933 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 760 transitions. [2018-10-26 21:50:19,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 21:50:19,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:19,992 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:20,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:20,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 589 states and 780 transitions. [2018-10-26 21:50:20,501 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 780 transitions. [2018-10-26 21:50:20,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 21:50:20,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:20,660 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:20,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:20,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 593 states and 784 transitions. [2018-10-26 21:50:20,834 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 784 transitions. [2018-10-26 21:50:20,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-26 21:50:20,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:20,954 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 21:50:21,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:21,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 599 states and 789 transitions. [2018-10-26 21:50:21,052 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 789 transitions. [2018-10-26 21:50:21,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-26 21:50:21,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:21,123 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:21,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:21,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 610 states and 801 transitions. [2018-10-26 21:50:21,417 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 801 transitions. [2018-10-26 21:50:21,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-26 21:50:21,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:21,449 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:21,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:21,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 614 states and 805 transitions. [2018-10-26 21:50:21,881 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 805 transitions. [2018-10-26 21:50:21,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-26 21:50:21,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:21,932 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 21:50:21,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:21,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 618 states and 809 transitions. [2018-10-26 21:50:21,972 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 809 transitions. [2018-10-26 21:50:21,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-26 21:50:21,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:21,997 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 21:50:22,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:22,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 631 states and 826 transitions. [2018-10-26 21:50:22,498 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 826 transitions. [2018-10-26 21:50:22,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 21:50:22,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:22,537 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:22,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:22,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 641 states and 835 transitions. [2018-10-26 21:50:22,855 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 835 transitions. [2018-10-26 21:50:22,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 21:50:22,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:22,895 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:23,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:23,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 643 states and 837 transitions. [2018-10-26 21:50:23,241 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 837 transitions. [2018-10-26 21:50:23,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 21:50:23,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:23,271 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:23,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:23,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 655 states and 849 transitions. [2018-10-26 21:50:23,400 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 849 transitions. [2018-10-26 21:50:23,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 21:50:23,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:23,579 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 21:50:23,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:23,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 658 states and 853 transitions. [2018-10-26 21:50:23,806 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 853 transitions. [2018-10-26 21:50:23,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-26 21:50:23,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:23,899 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 21:50:24,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:24,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 663 states and 858 transitions. [2018-10-26 21:50:24,092 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 858 transitions. [2018-10-26 21:50:24,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-26 21:50:24,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:24,125 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 21:50:24,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:24,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 670 states and 866 transitions. [2018-10-26 21:50:24,322 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 866 transitions. [2018-10-26 21:50:24,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 21:50:24,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:24,442 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 21:50:24,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:24,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 675 states and 871 transitions. [2018-10-26 21:50:24,565 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 871 transitions. [2018-10-26 21:50:24,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 21:50:24,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:24,611 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:24,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:24,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 690 states and 886 transitions. [2018-10-26 21:50:24,703 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 886 transitions. [2018-10-26 21:50:24,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 21:50:24,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:24,867 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 78 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 21:50:25,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:25,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 710 states and 907 transitions. [2018-10-26 21:50:25,392 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 907 transitions. [2018-10-26 21:50:25,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 21:50:25,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:26,049 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:29,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:29,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 769 states and 970 transitions. [2018-10-26 21:50:29,453 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 970 transitions. [2018-10-26 21:50:29,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-10-26 21:50:29,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:29,581 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:30,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:30,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 781 states and 986 transitions. [2018-10-26 21:50:30,220 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 986 transitions. [2018-10-26 21:50:30,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 21:50:30,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:30,688 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:34,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:34,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 846 states and 1063 transitions. [2018-10-26 21:50:34,036 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1063 transitions. [2018-10-26 21:50:34,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 21:50:34,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:34,099 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:35,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:35,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 858 states and 1077 transitions. [2018-10-26 21:50:35,466 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1077 transitions. [2018-10-26 21:50:35,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 21:50:35,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:35,530 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:36,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:36,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 862 states and 1081 transitions. [2018-10-26 21:50:36,363 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1081 transitions. [2018-10-26 21:50:36,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 21:50:36,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:36,435 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:36,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:36,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 866 states and 1085 transitions. [2018-10-26 21:50:36,746 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1085 transitions. [2018-10-26 21:50:36,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-26 21:50:36,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:36,793 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:50:37,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:37,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 915 states and 1136 transitions. [2018-10-26 21:50:37,170 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1136 transitions. [2018-10-26 21:50:37,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-26 21:50:37,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:37,579 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:39,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:39,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 950 states and 1173 transitions. [2018-10-26 21:50:39,486 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1173 transitions. [2018-10-26 21:50:39,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-26 21:50:39,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:40,085 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:40,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:40,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 960 states and 1183 transitions. [2018-10-26 21:50:40,284 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1183 transitions. [2018-10-26 21:50:40,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 21:50:40,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:40,397 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:41,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:41,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 987 states and 1212 transitions. [2018-10-26 21:50:41,420 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1212 transitions. [2018-10-26 21:50:41,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 21:50:41,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:41,508 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:42,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:42,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1002 states and 1227 transitions. [2018-10-26 21:50:42,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1227 transitions. [2018-10-26 21:50:42,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-26 21:50:42,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:42,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:42,850 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-10-26 21:50:42,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:42,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1003 states and 1227 transitions. [2018-10-26 21:50:42,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1227 transitions. [2018-10-26 21:50:42,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-10-26 21:50:42,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:42,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:42,915 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:43,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:43,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1020 states and 1246 transitions. [2018-10-26 21:50:43,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1246 transitions. [2018-10-26 21:50:43,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-10-26 21:50:43,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:43,638 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:50:43,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:43,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1024 states and 1250 transitions. [2018-10-26 21:50:43,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1250 transitions. [2018-10-26 21:50:43,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-26 21:50:43,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:43,918 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 21:50:44,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:44,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1042 states and 1269 transitions. [2018-10-26 21:50:44,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1269 transitions. [2018-10-26 21:50:44,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-26 21:50:44,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:44,345 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 21:50:44,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:44,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1043 states and 1269 transitions. [2018-10-26 21:50:44,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1269 transitions. [2018-10-26 21:50:44,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-26 21:50:44,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:44,447 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 21:50:45,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:45,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 1077 states and 1309 transitions. [2018-10-26 21:50:45,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1309 transitions. [2018-10-26 21:50:45,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-26 21:50:45,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:45,538 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 21:50:46,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:46,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1088 states and 1320 transitions. [2018-10-26 21:50:46,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1320 transitions. [2018-10-26 21:50:46,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-26 21:50:46,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:46,161 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 21:50:46,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:46,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1099 states and 1330 transitions. [2018-10-26 21:50:46,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1330 transitions. [2018-10-26 21:50:46,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-26 21:50:46,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:46,523 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 21:50:46,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:46,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1101 states and 1333 transitions. [2018-10-26 21:50:46,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1333 transitions. [2018-10-26 21:50:46,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-26 21:50:46,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:46,809 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 21:50:47,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:47,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1120 states and 1352 transitions. [2018-10-26 21:50:47,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1352 transitions. [2018-10-26 21:50:47,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-10-26 21:50:47,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:47,250 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 21:50:48,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:48,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1130 states and 1368 transitions. [2018-10-26 21:50:48,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1368 transitions. [2018-10-26 21:50:48,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-26 21:50:48,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:48,755 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 21:50:48,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:48,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1131 states and 1369 transitions. [2018-10-26 21:50:48,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1369 transitions. [2018-10-26 21:50:48,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-26 21:50:48,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:48,812 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 21:50:50,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:50,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1141 states and 1386 transitions. [2018-10-26 21:50:50,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1386 transitions. [2018-10-26 21:50:50,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-26 21:50:50,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:50,755 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 21:50:53,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:53,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 1175 states and 1420 transitions. [2018-10-26 21:50:53,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1420 transitions. [2018-10-26 21:50:53,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-26 21:50:53,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:53,742 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 21:50:53,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:53,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 1176 states and 1421 transitions. [2018-10-26 21:50:53,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1421 transitions. [2018-10-26 21:50:53,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-26 21:50:53,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:53,809 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 21:50:54,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:54,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1256 states and 1518 transitions. [2018-10-26 21:50:54,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1518 transitions. [2018-10-26 21:50:54,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 21:50:54,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:54,458 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 99 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:50:55,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:55,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1269 states and 1537 transitions. [2018-10-26 21:50:55,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 1537 transitions. [2018-10-26 21:50:55,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 21:50:55,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:55,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:55,583 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 99 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:50:55,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:55,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 1270 states and 1538 transitions. [2018-10-26 21:50:55,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1538 transitions. [2018-10-26 21:50:55,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 21:50:55,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:55,867 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 99 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:50:56,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:56,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1286 states and 1554 transitions. [2018-10-26 21:50:56,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1554 transitions. [2018-10-26 21:50:56,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-10-26 21:50:56,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:56,590 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 21:50:57,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:57,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1289 states and 1558 transitions. [2018-10-26 21:50:57,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1558 transitions. [2018-10-26 21:50:57,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-26 21:50:57,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:57,221 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 21:50:58,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:58,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1329 states and 1603 transitions. [2018-10-26 21:50:58,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1603 transitions. [2018-10-26 21:50:58,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-26 21:50:58,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:58,701 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 21:50:59,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:50:59,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1613 states to 1339 states and 1613 transitions. [2018-10-26 21:50:59,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1613 transitions. [2018-10-26 21:50:59,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-10-26 21:50:59,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:50:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:50:59,701 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:51:02,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:02,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 1395 states and 1681 transitions. [2018-10-26 21:51:02,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1681 transitions. [2018-10-26 21:51:02,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-10-26 21:51:02,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:02,515 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:51:02,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:02,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1404 states and 1690 transitions. [2018-10-26 21:51:02,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 1690 transitions. [2018-10-26 21:51:02,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-10-26 21:51:02,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:02,789 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:51:03,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:03,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1420 states and 1707 transitions. [2018-10-26 21:51:03,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 1707 transitions. [2018-10-26 21:51:03,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-10-26 21:51:03,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:03,274 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:51:03,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:03,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1428 states and 1714 transitions. [2018-10-26 21:51:03,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1714 transitions. [2018-10-26 21:51:03,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-10-26 21:51:03,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:03,684 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:51:04,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:04,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 1463 states and 1749 transitions. [2018-10-26 21:51:04,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 1749 transitions. [2018-10-26 21:51:04,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-10-26 21:51:04,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:04,175 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:51:04,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:04,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1470 states and 1755 transitions. [2018-10-26 21:51:04,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 1755 transitions. [2018-10-26 21:51:04,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 21:51:04,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:04,853 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:51:07,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:07,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1500 states and 1792 transitions. [2018-10-26 21:51:07,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 1792 transitions. [2018-10-26 21:51:07,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 21:51:07,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:07,167 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:51:07,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:07,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1505 states and 1799 transitions. [2018-10-26 21:51:07,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1799 transitions. [2018-10-26 21:51:07,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 21:51:07,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:07,741 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:51:08,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:08,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1818 states to 1521 states and 1818 transitions. [2018-10-26 21:51:08,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1818 transitions. [2018-10-26 21:51:08,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 21:51:08,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:08,658 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 104 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:51:09,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:09,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1525 states and 1822 transitions. [2018-10-26 21:51:09,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 1822 transitions. [2018-10-26 21:51:09,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-10-26 21:51:09,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:09,071 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 21:51:09,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:09,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1526 states and 1822 transitions. [2018-10-26 21:51:09,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1822 transitions. [2018-10-26 21:51:09,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-10-26 21:51:09,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:09,419 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 21:51:10,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:10,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1579 states and 1877 transitions. [2018-10-26 21:51:10,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1579 states and 1877 transitions. [2018-10-26 21:51:10,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-10-26 21:51:10,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:10,604 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 21:51:11,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:11,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1905 states to 1606 states and 1905 transitions. [2018-10-26 21:51:11,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1905 transitions. [2018-10-26 21:51:11,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-26 21:51:11,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:11,601 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-10-26 21:51:11,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:11,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1616 states and 1914 transitions. [2018-10-26 21:51:11,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 1914 transitions. [2018-10-26 21:51:11,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-26 21:51:11,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:12,036 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 21:51:12,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:12,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1622 states and 1920 transitions. [2018-10-26 21:51:12,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1622 states and 1920 transitions. [2018-10-26 21:51:12,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-10-26 21:51:12,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:12,287 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 21:51:12,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:12,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1623 states and 1920 transitions. [2018-10-26 21:51:12,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1623 states and 1920 transitions. [2018-10-26 21:51:12,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-10-26 21:51:12,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:12,798 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 21:51:13,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:13,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1934 states to 1634 states and 1934 transitions. [2018-10-26 21:51:13,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 1934 transitions. [2018-10-26 21:51:13,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 21:51:13,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:13,527 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 120 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 21:51:15,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:15,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1661 states and 1974 transitions. [2018-10-26 21:51:15,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1661 states and 1974 transitions. [2018-10-26 21:51:15,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 21:51:15,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:15,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:15,407 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 120 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 21:51:16,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:16,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1986 states to 1672 states and 1986 transitions. [2018-10-26 21:51:16,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1986 transitions. [2018-10-26 21:51:16,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 21:51:16,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:16,207 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 120 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 21:51:16,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:16,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1991 states to 1677 states and 1991 transitions. [2018-10-26 21:51:16,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1677 states and 1991 transitions. [2018-10-26 21:51:16,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 21:51:16,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:17,119 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 120 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 21:51:17,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:17,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1995 states to 1681 states and 1995 transitions. [2018-10-26 21:51:17,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 1995 transitions. [2018-10-26 21:51:17,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 21:51:17,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:17,536 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 120 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 21:51:17,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:17,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1999 states to 1685 states and 1999 transitions. [2018-10-26 21:51:17,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1685 states and 1999 transitions. [2018-10-26 21:51:17,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 21:51:17,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:17,944 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 120 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 21:51:18,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:18,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 1689 states and 2003 transitions. [2018-10-26 21:51:18,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 2003 transitions. [2018-10-26 21:51:18,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-10-26 21:51:18,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:18,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:18,393 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 21:51:18,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:18,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2019 states to 1705 states and 2019 transitions. [2018-10-26 21:51:18,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 2019 transitions. [2018-10-26 21:51:18,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-10-26 21:51:18,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:18,514 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 21:51:18,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:18,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2022 states to 1708 states and 2022 transitions. [2018-10-26 21:51:18,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1708 states and 2022 transitions. [2018-10-26 21:51:18,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-10-26 21:51:18,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:18,605 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-10-26 21:51:18,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:18,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2047 states to 1724 states and 2047 transitions. [2018-10-26 21:51:18,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 2047 transitions. [2018-10-26 21:51:18,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-26 21:51:18,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:18,950 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 21:51:20,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:20,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 1749 states and 2074 transitions. [2018-10-26 21:51:20,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 2074 transitions. [2018-10-26 21:51:20,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-26 21:51:20,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:20,645 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 21:51:20,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:20,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2076 states to 1751 states and 2076 transitions. [2018-10-26 21:51:20,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1751 states and 2076 transitions. [2018-10-26 21:51:20,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-10-26 21:51:20,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:20,853 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-10-26 21:51:21,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:21,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 1822 states and 2149 transitions. [2018-10-26 21:51:21,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 2149 transitions. [2018-10-26 21:51:21,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-10-26 21:51:21,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:21,473 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 21:51:21,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:21,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 1824 states and 2152 transitions. [2018-10-26 21:51:21,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1824 states and 2152 transitions. [2018-10-26 21:51:21,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-10-26 21:51:21,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:22,017 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 21:51:23,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:23,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 1855 states and 2182 transitions. [2018-10-26 21:51:23,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2182 transitions. [2018-10-26 21:51:23,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-10-26 21:51:23,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:23,237 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 140 proven. 20 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 21:51:23,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:23,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 1862 states and 2189 transitions. [2018-10-26 21:51:23,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1862 states and 2189 transitions. [2018-10-26 21:51:23,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-26 21:51:23,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:23,720 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 21:51:24,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:24,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2227 states to 1899 states and 2227 transitions. [2018-10-26 21:51:24,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1899 states and 2227 transitions. [2018-10-26 21:51:24,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-26 21:51:24,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:24,576 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 21:51:24,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:24,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 1902 states and 2229 transitions. [2018-10-26 21:51:24,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states and 2229 transitions. [2018-10-26 21:51:24,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-26 21:51:24,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:24,880 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-10-26 21:51:25,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:25,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2238 states to 1910 states and 2238 transitions. [2018-10-26 21:51:25,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1910 states and 2238 transitions. [2018-10-26 21:51:25,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-26 21:51:25,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:25,395 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-10-26 21:51:25,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:25,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 1926 states and 2254 transitions. [2018-10-26 21:51:25,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1926 states and 2254 transitions. [2018-10-26 21:51:25,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-26 21:51:25,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:25,801 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-10-26 21:51:26,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:26,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2302 states to 1973 states and 2302 transitions. [2018-10-26 21:51:26,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1973 states and 2302 transitions. [2018-10-26 21:51:26,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-26 21:51:26,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:26,579 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-10-26 21:51:27,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:27,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 2004 states and 2335 transitions. [2018-10-26 21:51:27,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2004 states and 2335 transitions. [2018-10-26 21:51:27,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-26 21:51:27,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:27,427 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-10-26 21:51:28,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:28,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2353 states to 2023 states and 2353 transitions. [2018-10-26 21:51:28,987 INFO L276 IsEmpty]: Start isEmpty. Operand 2023 states and 2353 transitions. [2018-10-26 21:51:28,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-10-26 21:51:28,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:30,078 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 21:51:34,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:34,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2081 states and 2414 transitions. [2018-10-26 21:51:34,532 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 2414 transitions. [2018-10-26 21:51:34,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-10-26 21:51:34,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:34,663 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 21:51:36,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:36,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2131 states and 2464 transitions. [2018-10-26 21:51:36,802 INFO L276 IsEmpty]: Start isEmpty. Operand 2131 states and 2464 transitions. [2018-10-26 21:51:36,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-10-26 21:51:36,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:36,953 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 21:51:37,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:37,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2471 states to 2139 states and 2471 transitions. [2018-10-26 21:51:37,641 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2471 transitions. [2018-10-26 21:51:37,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-26 21:51:37,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:37,803 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 162 proven. 5 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 21:51:39,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:39,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 2165 states and 2509 transitions. [2018-10-26 21:51:39,812 INFO L276 IsEmpty]: Start isEmpty. Operand 2165 states and 2509 transitions. [2018-10-26 21:51:39,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-26 21:51:39,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:40,031 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 162 proven. 5 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 21:51:40,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:40,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2513 states to 2169 states and 2513 transitions. [2018-10-26 21:51:40,481 INFO L276 IsEmpty]: Start isEmpty. Operand 2169 states and 2513 transitions. [2018-10-26 21:51:40,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-26 21:51:40,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:40,740 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 162 proven. 5 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 21:51:41,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:41,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2517 states to 2173 states and 2517 transitions. [2018-10-26 21:51:41,132 INFO L276 IsEmpty]: Start isEmpty. Operand 2173 states and 2517 transitions. [2018-10-26 21:51:41,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-26 21:51:41,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:41,331 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 162 proven. 5 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 21:51:41,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:41,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 2177 states and 2521 transitions. [2018-10-26 21:51:41,733 INFO L276 IsEmpty]: Start isEmpty. Operand 2177 states and 2521 transitions. [2018-10-26 21:51:41,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-26 21:51:41,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:41,968 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 162 proven. 5 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 21:51:42,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:42,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2532 states to 2186 states and 2532 transitions. [2018-10-26 21:51:42,714 INFO L276 IsEmpty]: Start isEmpty. Operand 2186 states and 2532 transitions. [2018-10-26 21:51:42,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-26 21:51:42,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:42,751 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-10-26 21:51:43,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:43,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2538 states to 2193 states and 2538 transitions. [2018-10-26 21:51:43,303 INFO L276 IsEmpty]: Start isEmpty. Operand 2193 states and 2538 transitions. [2018-10-26 21:51:43,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-10-26 21:51:43,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:44,118 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 197 proven. 11 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 21:51:45,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:45,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2559 states to 2212 states and 2559 transitions. [2018-10-26 21:51:45,952 INFO L276 IsEmpty]: Start isEmpty. Operand 2212 states and 2559 transitions. [2018-10-26 21:51:45,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-10-26 21:51:45,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:46,030 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 197 proven. 11 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 21:51:46,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:46,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2566 states to 2220 states and 2566 transitions. [2018-10-26 21:51:46,489 INFO L276 IsEmpty]: Start isEmpty. Operand 2220 states and 2566 transitions. [2018-10-26 21:51:46,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-26 21:51:46,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:46,562 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-10-26 21:51:47,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:47,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2573 states to 2226 states and 2573 transitions. [2018-10-26 21:51:47,047 INFO L276 IsEmpty]: Start isEmpty. Operand 2226 states and 2573 transitions. [2018-10-26 21:51:47,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-26 21:51:47,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:47,103 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-10-26 21:51:47,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:47,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2591 states to 2243 states and 2591 transitions. [2018-10-26 21:51:47,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2243 states and 2591 transitions. [2018-10-26 21:51:47,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-26 21:51:47,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:47,631 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-10-26 21:51:48,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:48,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2595 states to 2247 states and 2595 transitions. [2018-10-26 21:51:48,015 INFO L276 IsEmpty]: Start isEmpty. Operand 2247 states and 2595 transitions. [2018-10-26 21:51:48,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-26 21:51:48,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:48,194 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-10-26 21:51:48,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:48,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2597 states to 2249 states and 2597 transitions. [2018-10-26 21:51:48,606 INFO L276 IsEmpty]: Start isEmpty. Operand 2249 states and 2597 transitions. [2018-10-26 21:51:48,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-10-26 21:51:48,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:48,688 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-10-26 21:51:49,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:49,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 2345 states and 2698 transitions. [2018-10-26 21:51:49,870 INFO L276 IsEmpty]: Start isEmpty. Operand 2345 states and 2698 transitions. [2018-10-26 21:51:49,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-10-26 21:51:49,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:49,945 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-26 21:51:49,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:49,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2699 states to 2346 states and 2699 transitions. [2018-10-26 21:51:49,995 INFO L276 IsEmpty]: Start isEmpty. Operand 2346 states and 2699 transitions. [2018-10-26 21:51:49,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-10-26 21:51:49,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:50,080 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-26 21:51:50,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:50,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2699 states to 2347 states and 2699 transitions. [2018-10-26 21:51:50,305 INFO L276 IsEmpty]: Start isEmpty. Operand 2347 states and 2699 transitions. [2018-10-26 21:51:50,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-10-26 21:51:50,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:50,425 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 242 proven. 26 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-10-26 21:51:51,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:51,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 2374 states and 2725 transitions. [2018-10-26 21:51:51,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2374 states and 2725 transitions. [2018-10-26 21:51:51,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-10-26 21:51:51,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:51,434 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2018-10-26 21:51:51,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:51,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2726 states to 2375 states and 2726 transitions. [2018-10-26 21:51:51,492 INFO L276 IsEmpty]: Start isEmpty. Operand 2375 states and 2726 transitions. [2018-10-26 21:51:51,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-10-26 21:51:51,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:51:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:51:51,583 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2018-10-26 21:51:51,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:51:51,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2623 states to 2275 states and 2623 transitions. [2018-10-26 21:51:51,827 INFO L276 IsEmpty]: Start isEmpty. Operand 2275 states and 2623 transitions. [2018-10-26 21:51:51,951 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 21:51:51,951 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 138 iterations. [2018-10-26 21:51:51,967 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 21:51:52,077 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 14 [2018-10-26 21:51:53,668 WARN L179 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 14 [2018-10-26 21:51:53,958 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 14 [2018-10-26 21:51:54,145 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 14 [2018-10-26 21:51:56,581 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 14 [2018-10-26 21:51:56,847 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 14 [2018-10-26 21:51:57,160 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:51:57,162 INFO L582 CodeCheckObserver]: Invariant with dag size 14 [2018-10-26 21:51:57,170 INFO L582 CodeCheckObserver]: Invariant with dag size 14 [2018-10-26 21:51:57,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 09:51:57 ImpRootNode [2018-10-26 21:51:57,171 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 21:51:57,172 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:51:57,172 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:51:57,172 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:51:57,173 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:49:57" (3/4) ... [2018-10-26 21:51:57,179 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 21:51:57,214 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-10-26 21:51:57,215 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-10-26 21:51:57,331 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-10-26 21:51:57,332 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 21:51:57,478 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_57b7a2b2-c549-4b75-bba3-ac28da5aadb3/bin-2019/ukojak/witness.graphml [2018-10-26 21:51:57,478 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:51:57,479 INFO L168 Benchmark]: Toolchain (without parser) took 124877.16 ms. Allocated memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: 1.9 GB). Free memory was 958.1 MB in the beginning and 2.8 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. [2018-10-26 21:51:57,480 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-10-26 21:51:57,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 481.50 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 928.5 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:51:57,481 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 928.5 MB in the beginning and 1.2 GB in the end (delta: -225.4 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2018-10-26 21:51:57,481 INFO L168 Benchmark]: Boogie Preprocessor took 60.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:51:57,481 INFO L168 Benchmark]: RCFGBuilder took 4402.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 911.7 MB in the end (delta: 236.9 MB). Peak memory consumption was 236.9 MB. Max. memory is 11.5 GB. [2018-10-26 21:51:57,481 INFO L168 Benchmark]: CodeCheck took 119475.23 ms. Allocated memory was 1.2 GB in the beginning and 3.0 GB in the end (delta: 1.8 GB). Free memory was 911.7 MB in the beginning and 867.8 MB in the end (delta: 43.9 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-10-26 21:51:57,482 INFO L168 Benchmark]: Witness Printer took 306.04 ms. Allocated memory was 3.0 GB in the beginning and 3.0 GB in the end (delta: 6.3 MB). Free memory was 867.8 MB in the beginning and 2.8 GB in the end (delta: -1.9 GB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2018-10-26 21:51:57,487 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 228 locations, 1 error locations. SAFE Result, 114.2s OverallTime, 138 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5220096 SDtfs, 1344172352 SDslu, 39409152 SDs, 0 SdLazy, 426377692 SolverSat, 44941076 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 609.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157494 GetRequests, 154812 SyntacticMatches, 1630 SemanticMatches, 1052 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 852101 ImplicationChecksByTransitivity, 95.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 14.0s InterpolantComputationTime, 23450 NumberOfCodeBlocks, 23450 NumberOfCodeBlocksAsserted, 137 NumberOfCheckSat, 23313 ConstructedInterpolants, 0 QuantifiedInterpolants, 11543265 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 137 InterpolantComputations, 108 PerfectInterpolantSequences, 17023/17325 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: 475]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((!(a11 == 1) || a19 == 1) || a25 == 1) || a28 == 7) || a28 == 10 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((a19 == 1 || !(a11 == 1)) || a25 == 1) || a28 == 7) || a28 == 10 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 481.50 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 928.5 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 146.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 928.5 MB in the beginning and 1.2 GB in the end (delta: -225.4 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4402.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 911.7 MB in the end (delta: 236.9 MB). Peak memory consumption was 236.9 MB. Max. memory is 11.5 GB. * CodeCheck took 119475.23 ms. Allocated memory was 1.2 GB in the beginning and 3.0 GB in the end (delta: 1.8 GB). Free memory was 911.7 MB in the beginning and 867.8 MB in the end (delta: 43.9 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. * Witness Printer took 306.04 ms. Allocated memory was 3.0 GB in the beginning and 3.0 GB in the end (delta: 6.3 MB). Free memory was 867.8 MB in the beginning and 2.8 GB in the end (delta: -1.9 GB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...