./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label29_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_950cfc0d-9f7e-4462-8502-064d67083efa/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_950cfc0d-9f7e-4462-8502-064d67083efa/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_950cfc0d-9f7e-4462-8502-064d67083efa/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_950cfc0d-9f7e-4462-8502-064d67083efa/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label29_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_950cfc0d-9f7e-4462-8502-064d67083efa/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_950cfc0d-9f7e-4462-8502-064d67083efa/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 9b698dcf3c9df7b9ad57a5812bd690b0917b122e ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 09:19:06,914 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:19:06,915 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:19:06,921 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:19:06,921 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:19:06,922 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:19:06,922 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:19:06,923 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:19:06,924 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:19:06,925 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:19:06,925 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:19:06,925 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:19:06,926 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:19:06,926 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:19:06,927 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:19:06,928 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:19:06,928 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:19:06,929 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:19:06,930 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:19:06,931 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:19:06,931 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:19:06,932 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:19:06,933 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:19:06,933 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:19:06,934 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:19:06,934 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:19:06,935 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:19:06,935 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:19:06,935 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:19:06,936 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:19:06,936 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:19:06,937 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:19:06,937 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:19:06,937 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:19:06,938 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:19:06,938 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:19:06,938 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_950cfc0d-9f7e-4462-8502-064d67083efa/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 09:19:06,946 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:19:06,946 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:19:06,947 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 09:19:06,947 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 09:19:06,947 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 09:19:06,947 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 09:19:06,948 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:19:06,948 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:19:06,948 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 09:19:06,948 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:19:06,948 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:19:06,948 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 09:19:06,949 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:19:06,949 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 09:19:06,949 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:19:06,949 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:19:06,949 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 09:19:06,949 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 09:19:06,949 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 09:19:06,950 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 09:19:06,950 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:19:06,950 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:19:06,950 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 09:19:06,950 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:19:06,950 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:19:06,950 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 09:19:06,950 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 09:19:06,951 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:19:06,951 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 09:19:06,951 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_950cfc0d-9f7e-4462-8502-064d67083efa/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 -> 9b698dcf3c9df7b9ad57a5812bd690b0917b122e [2018-12-09 09:19:06,969 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:19:06,978 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:19:06,980 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:19:06,981 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:19:06,981 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:19:06,982 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_950cfc0d-9f7e-4462-8502-064d67083efa/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label29_true-unreach-call_false-termination.c [2018-12-09 09:19:07,020 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_950cfc0d-9f7e-4462-8502-064d67083efa/bin-2019/ukojak/data/0b9bf91fe/d0abdeac45e64f23b066959658ab3873/FLAG71038343a [2018-12-09 09:19:07,444 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:19:07,444 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_950cfc0d-9f7e-4462-8502-064d67083efa/sv-benchmarks/c/eca-rers2012/Problem02_label29_true-unreach-call_false-termination.c [2018-12-09 09:19:07,451 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_950cfc0d-9f7e-4462-8502-064d67083efa/bin-2019/ukojak/data/0b9bf91fe/d0abdeac45e64f23b066959658ab3873/FLAG71038343a [2018-12-09 09:19:07,790 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_950cfc0d-9f7e-4462-8502-064d67083efa/bin-2019/ukojak/data/0b9bf91fe/d0abdeac45e64f23b066959658ab3873 [2018-12-09 09:19:07,793 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:19:07,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:19:07,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:19:07,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:19:07,800 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:19:07,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:19:07" (1/1) ... [2018-12-09 09:19:07,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2251f510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:07, skipping insertion in model container [2018-12-09 09:19:07,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:19:07" (1/1) ... [2018-12-09 09:19:07,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:19:07,845 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:19:08,034 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:19:08,037 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:19:08,137 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:19:08,150 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:19:08,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:08 WrapperNode [2018-12-09 09:19:08,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:19:08,151 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:19:08,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:19:08,151 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:19:08,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:08" (1/1) ... [2018-12-09 09:19:08,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:08" (1/1) ... [2018-12-09 09:19:08,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:19:08,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:19:08,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:19:08,202 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:19:08,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:08" (1/1) ... [2018-12-09 09:19:08,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:08" (1/1) ... [2018-12-09 09:19:08,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:08" (1/1) ... [2018-12-09 09:19:08,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:08" (1/1) ... [2018-12-09 09:19:08,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:08" (1/1) ... [2018-12-09 09:19:08,234 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:08" (1/1) ... [2018-12-09 09:19:08,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:08" (1/1) ... [2018-12-09 09:19:08,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:19:08,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:19:08,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:19:08,243 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:19:08,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_950cfc0d-9f7e-4462-8502-064d67083efa/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 [2018-12-09 09:19:08,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:19:08,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:19:09,267 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:19:09,267 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 09:19:09,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:19:09 BoogieIcfgContainer [2018-12-09 09:19:09,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:19:09,268 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 09:19:09,268 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 09:19:09,278 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 09:19:09,278 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:19:09" (1/1) ... [2018-12-09 09:19:09,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:19:09,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:09,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-09 09:19:09,318 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-09 09:19:09,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 09:19:09,321 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:09,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:19:09,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:09,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 163 states and 241 transitions. [2018-12-09 09:19:09,862 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 241 transitions. [2018-12-09 09:19:09,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 09:19:09,863 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:09,929 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 09:19:10,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:10,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 164 states and 242 transitions. [2018-12-09 09:19:10,017 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 242 transitions. [2018-12-09 09:19:10,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 09:19:10,019 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:10,057 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:19:10,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:10,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 181 states and 268 transitions. [2018-12-09 09:19:10,194 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 268 transitions. [2018-12-09 09:19:10,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 09:19:10,195 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:10,243 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:19:10,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:10,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 199 states and 292 transitions. [2018-12-09 09:19:10,529 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 292 transitions. [2018-12-09 09:19:10,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 09:19:10,530 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:10,566 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:19:10,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:10,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 220 states and 320 transitions. [2018-12-09 09:19:10,792 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 320 transitions. [2018-12-09 09:19:10,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 09:19:10,795 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:10,814 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:19:10,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:10,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 224 states and 325 transitions. [2018-12-09 09:19:10,956 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 325 transitions. [2018-12-09 09:19:10,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-09 09:19:10,958 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:10,988 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 09:19:11,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:11,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 228 states and 331 transitions. [2018-12-09 09:19:11,133 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 331 transitions. [2018-12-09 09:19:11,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-09 09:19:11,134 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:11,153 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 09:19:11,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:11,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 242 states and 345 transitions. [2018-12-09 09:19:11,307 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 345 transitions. [2018-12-09 09:19:11,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-09 09:19:11,308 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:11,323 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:19:11,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:11,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 246 states and 349 transitions. [2018-12-09 09:19:11,339 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 349 transitions. [2018-12-09 09:19:11,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 09:19:11,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:11,355 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 09:19:11,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:11,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 247 states and 351 transitions. [2018-12-09 09:19:11,452 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 351 transitions. [2018-12-09 09:19:11,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 09:19:11,452 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:11,467 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 09:19:11,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:11,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 250 states and 354 transitions. [2018-12-09 09:19:11,540 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 354 transitions. [2018-12-09 09:19:11,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 09:19:11,540 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:11,570 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 09:19:11,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:11,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 329 states and 450 transitions. [2018-12-09 09:19:11,916 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 450 transitions. [2018-12-09 09:19:11,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-09 09:19:11,916 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:11,939 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 09:19:12,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:12,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 345 states and 469 transitions. [2018-12-09 09:19:12,102 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 469 transitions. [2018-12-09 09:19:12,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-09 09:19:12,102 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:12,134 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 09:19:12,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:12,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 347 states and 470 transitions. [2018-12-09 09:19:12,239 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 470 transitions. [2018-12-09 09:19:12,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-09 09:19:12,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:12,287 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:19:12,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:12,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 377 states and 508 transitions. [2018-12-09 09:19:12,712 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 508 transitions. [2018-12-09 09:19:12,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 09:19:12,712 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:12,774 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 09:19:12,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:12,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 383 states and 518 transitions. [2018-12-09 09:19:12,944 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 518 transitions. [2018-12-09 09:19:12,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-09 09:19:12,945 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:13,010 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:19:13,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:13,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 413 states and 553 transitions. [2018-12-09 09:19:13,714 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 553 transitions. [2018-12-09 09:19:13,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-09 09:19:13,715 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:13,753 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:19:13,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:13,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 416 states and 556 transitions. [2018-12-09 09:19:13,840 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 556 transitions. [2018-12-09 09:19:13,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-09 09:19:13,841 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:13,874 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 09:19:13,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:13,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 421 states and 561 transitions. [2018-12-09 09:19:13,893 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 561 transitions. [2018-12-09 09:19:13,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-09 09:19:13,894 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:13,908 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:19:13,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:13,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 434 states and 575 transitions. [2018-12-09 09:19:13,990 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 575 transitions. [2018-12-09 09:19:13,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-09 09:19:13,991 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:14,007 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:19:14,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:14,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 453 states and 597 transitions. [2018-12-09 09:19:14,218 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 597 transitions. [2018-12-09 09:19:14,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-09 09:19:14,219 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:14,236 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 09:19:14,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:14,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 457 states and 600 transitions. [2018-12-09 09:19:14,309 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 600 transitions. [2018-12-09 09:19:14,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 09:19:14,310 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:14,327 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 09:19:14,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:14,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 462 states and 604 transitions. [2018-12-09 09:19:14,354 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 604 transitions. [2018-12-09 09:19:14,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 09:19:14,355 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:14,374 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 09:19:14,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:14,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 476 states and 619 transitions. [2018-12-09 09:19:14,579 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 619 transitions. [2018-12-09 09:19:14,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-09 09:19:14,580 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:14,604 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 09:19:14,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:14,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 488 states and 630 transitions. [2018-12-09 09:19:14,734 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 630 transitions. [2018-12-09 09:19:14,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 09:19:14,734 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:14,751 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:19:14,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:14,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 492 states and 635 transitions. [2018-12-09 09:19:14,870 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 635 transitions. [2018-12-09 09:19:14,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-09 09:19:14,870 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:15,100 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 09:19:16,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:16,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 532 states and 686 transitions. [2018-12-09 09:19:16,112 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 686 transitions. [2018-12-09 09:19:16,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-09 09:19:16,113 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:16,157 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 09:19:16,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:16,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 547 states and 700 transitions. [2018-12-09 09:19:16,314 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 700 transitions. [2018-12-09 09:19:16,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-09 09:19:16,314 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:16,341 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 09:19:16,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:16,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 559 states and 711 transitions. [2018-12-09 09:19:16,514 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 711 transitions. [2018-12-09 09:19:16,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 09:19:16,514 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:16,552 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 09:19:16,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:16,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 586 states and 738 transitions. [2018-12-09 09:19:16,623 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 738 transitions. [2018-12-09 09:19:16,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 09:19:16,624 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:16,642 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 09:19:16,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:16,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 591 states and 745 transitions. [2018-12-09 09:19:16,671 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 745 transitions. [2018-12-09 09:19:16,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 09:19:16,671 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:16,692 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:19:16,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:16,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 612 states and 766 transitions. [2018-12-09 09:19:16,761 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 766 transitions. [2018-12-09 09:19:16,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-09 09:19:16,761 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:16,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:16,780 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 09:19:16,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:16,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 613 states and 767 transitions. [2018-12-09 09:19:16,791 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 767 transitions. [2018-12-09 09:19:16,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-09 09:19:16,791 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:17,157 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:19:19,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:19,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 672 states and 832 transitions. [2018-12-09 09:19:19,496 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 832 transitions. [2018-12-09 09:19:19,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-09 09:19:19,496 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:19,525 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 09:19:19,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:19,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 691 states and 854 transitions. [2018-12-09 09:19:19,930 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 854 transitions. [2018-12-09 09:19:19,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 09:19:19,930 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:19,960 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 09:19:19,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:19,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 692 states and 856 transitions. [2018-12-09 09:19:19,987 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 856 transitions. [2018-12-09 09:19:19,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 09:19:19,987 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:19,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:20,244 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:19:23,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:23,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 760 states and 935 transitions. [2018-12-09 09:19:23,196 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 935 transitions. [2018-12-09 09:19:23,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 09:19:23,197 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:23,235 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:19:23,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:23,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 763 states and 938 transitions. [2018-12-09 09:19:23,408 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 938 transitions. [2018-12-09 09:19:23,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 09:19:23,409 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:23,429 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 09:19:23,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:23,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 766 states and 941 transitions. [2018-12-09 09:19:23,449 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 941 transitions. [2018-12-09 09:19:23,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-09 09:19:23,450 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:23,481 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 09:19:23,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:23,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 767 states and 942 transitions. [2018-12-09 09:19:23,632 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 942 transitions. [2018-12-09 09:19:23,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-09 09:19:23,633 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:23,669 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 09:19:24,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:24,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 782 states and 956 transitions. [2018-12-09 09:19:24,056 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 956 transitions. [2018-12-09 09:19:24,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 09:19:24,057 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:24,220 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:19:25,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:25,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 818 states and 995 transitions. [2018-12-09 09:19:25,421 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 995 transitions. [2018-12-09 09:19:25,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 09:19:25,422 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:25,498 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:19:25,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:25,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 822 states and 998 transitions. [2018-12-09 09:19:25,721 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 998 transitions. [2018-12-09 09:19:25,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-09 09:19:25,722 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:25,758 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:19:25,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:25,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 834 states and 1010 transitions. [2018-12-09 09:19:25,959 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1010 transitions. [2018-12-09 09:19:25,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-09 09:19:25,960 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:26,000 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:19:26,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:26,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 837 states and 1013 transitions. [2018-12-09 09:19:26,154 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1013 transitions. [2018-12-09 09:19:26,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 09:19:26,155 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:26,185 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-09 09:19:26,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:26,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 839 states and 1014 transitions. [2018-12-09 09:19:26,258 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1014 transitions. [2018-12-09 09:19:26,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-09 09:19:26,259 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:26,404 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 09:19:26,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:26,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 843 states and 1020 transitions. [2018-12-09 09:19:26,718 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1020 transitions. [2018-12-09 09:19:26,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-09 09:19:26,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:26,796 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 09:19:27,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:27,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 855 states and 1031 transitions. [2018-12-09 09:19:27,088 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1031 transitions. [2018-12-09 09:19:27,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-09 09:19:27,089 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:27,111 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 09:19:27,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:27,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 859 states and 1038 transitions. [2018-12-09 09:19:27,297 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1038 transitions. [2018-12-09 09:19:27,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-09 09:19:27,298 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:27,385 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-09 09:19:27,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:27,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 867 states and 1048 transitions. [2018-12-09 09:19:27,979 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1048 transitions. [2018-12-09 09:19:27,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-09 09:19:27,980 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:28,016 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 09:19:29,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:29,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 894 states and 1077 transitions. [2018-12-09 09:19:29,000 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1077 transitions. [2018-12-09 09:19:29,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 09:19:29,001 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:29,035 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 09:19:29,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:29,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 906 states and 1094 transitions. [2018-12-09 09:19:29,436 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1094 transitions. [2018-12-09 09:19:29,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-09 09:19:29,437 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:29,753 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 152 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 09:19:32,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:32,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 925 states and 1118 transitions. [2018-12-09 09:19:32,767 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1118 transitions. [2018-12-09 09:19:32,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-09 09:19:32,769 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:32,826 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 09:19:32,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:32,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 929 states and 1123 transitions. [2018-12-09 09:19:32,932 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1123 transitions. [2018-12-09 09:19:32,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 09:19:32,933 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:32,957 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 09:19:33,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:33,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 931 states and 1124 transitions. [2018-12-09 09:19:33,184 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1124 transitions. [2018-12-09 09:19:33,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 09:19:33,184 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:33,270 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-09 09:19:33,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:33,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 942 states and 1136 transitions. [2018-12-09 09:19:33,640 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1136 transitions. [2018-12-09 09:19:33,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 09:19:33,641 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:33,719 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-09 09:19:34,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:34,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 957 states and 1150 transitions. [2018-12-09 09:19:34,623 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1150 transitions. [2018-12-09 09:19:34,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-09 09:19:34,624 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:34,756 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 09:19:35,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:35,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1028 states and 1227 transitions. [2018-12-09 09:19:35,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1227 transitions. [2018-12-09 09:19:35,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-09 09:19:35,309 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:35,410 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 09:19:36,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:36,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1107 states and 1317 transitions. [2018-12-09 09:19:36,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1317 transitions. [2018-12-09 09:19:36,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 09:19:36,069 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:36,115 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 09:19:37,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:37,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1137 states and 1350 transitions. [2018-12-09 09:19:37,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1350 transitions. [2018-12-09 09:19:37,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 09:19:37,213 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:37,252 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 09:19:38,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:38,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1375 states to 1162 states and 1375 transitions. [2018-12-09 09:19:38,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1375 transitions. [2018-12-09 09:19:38,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-09 09:19:38,717 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:38,786 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 09:19:39,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:39,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 1187 states and 1399 transitions. [2018-12-09 09:19:39,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1399 transitions. [2018-12-09 09:19:39,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-09 09:19:39,029 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:39,095 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 09:19:40,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:40,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1219 states and 1431 transitions. [2018-12-09 09:19:40,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1431 transitions. [2018-12-09 09:19:40,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-09 09:19:40,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:40,398 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 09:19:40,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:40,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1221 states and 1432 transitions. [2018-12-09 09:19:40,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1432 transitions. [2018-12-09 09:19:40,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-09 09:19:40,502 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:40,529 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 09:19:40,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:40,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1227 states and 1437 transitions. [2018-12-09 09:19:40,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1437 transitions. [2018-12-09 09:19:40,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-09 09:19:40,563 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:40,702 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 09:19:41,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:41,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 1303 states and 1522 transitions. [2018-12-09 09:19:41,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 1522 transitions. [2018-12-09 09:19:41,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-09 09:19:41,722 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:41,745 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 09:19:41,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:41,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1307 states and 1526 transitions. [2018-12-09 09:19:41,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 1526 transitions. [2018-12-09 09:19:41,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-09 09:19:41,853 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:41,876 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 09:19:42,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:42,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1332 states and 1551 transitions. [2018-12-09 09:19:42,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1551 transitions. [2018-12-09 09:19:42,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 09:19:42,402 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:42,447 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 09:19:42,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:42,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1336 states and 1560 transitions. [2018-12-09 09:19:42,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1560 transitions. [2018-12-09 09:19:42,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 09:19:42,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:42,653 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 09:19:42,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:42,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1338 states and 1564 transitions. [2018-12-09 09:19:42,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1564 transitions. [2018-12-09 09:19:42,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 09:19:42,955 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:42,995 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-09 09:19:43,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:43,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1343 states and 1572 transitions. [2018-12-09 09:19:43,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1572 transitions. [2018-12-09 09:19:43,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 09:19:43,170 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:43,209 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-09 09:19:43,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:43,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1344 states and 1572 transitions. [2018-12-09 09:19:43,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1572 transitions. [2018-12-09 09:19:43,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 09:19:43,435 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:43,660 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:19:44,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:44,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 1364 states and 1596 transitions. [2018-12-09 09:19:44,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1596 transitions. [2018-12-09 09:19:44,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 09:19:44,274 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:44,302 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:19:44,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:44,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1366 states and 1597 transitions. [2018-12-09 09:19:44,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 1597 transitions. [2018-12-09 09:19:44,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 09:19:44,453 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:44,494 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 09:19:44,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:44,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1371 states and 1602 transitions. [2018-12-09 09:19:44,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 1602 transitions. [2018-12-09 09:19:44,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-09 09:19:44,518 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:44,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:44,557 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 09:19:45,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:45,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1626 states to 1391 states and 1626 transitions. [2018-12-09 09:19:45,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1626 transitions. [2018-12-09 09:19:45,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-09 09:19:45,002 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:45,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:45,040 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 09:19:45,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:45,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 1394 states and 1629 transitions. [2018-12-09 09:19:45,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1629 transitions. [2018-12-09 09:19:45,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-09 09:19:45,274 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:45,319 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 148 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 09:19:46,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:46,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1440 states and 1682 transitions. [2018-12-09 09:19:46,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1682 transitions. [2018-12-09 09:19:46,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-09 09:19:46,201 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:46,245 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 148 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 09:19:46,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:46,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 1445 states and 1686 transitions. [2018-12-09 09:19:46,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1686 transitions. [2018-12-09 09:19:46,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-09 09:19:46,611 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:46,654 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 148 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 09:19:46,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:46,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1449 states and 1690 transitions. [2018-12-09 09:19:46,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 1690 transitions. [2018-12-09 09:19:46,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-09 09:19:46,850 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:46,900 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 09:19:47,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:47,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 1482 states and 1729 transitions. [2018-12-09 09:19:47,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 1729 transitions. [2018-12-09 09:19:47,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-09 09:19:47,665 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:47,715 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 09:19:48,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:48,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1492 states and 1738 transitions. [2018-12-09 09:19:48,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 1738 transitions. [2018-12-09 09:19:48,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-09 09:19:48,235 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:48,260 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 09:19:48,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:48,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 1496 states and 1744 transitions. [2018-12-09 09:19:48,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1744 transitions. [2018-12-09 09:19:48,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-09 09:19:48,376 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:48,423 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 09:19:48,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:48,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 1515 states and 1762 transitions. [2018-12-09 09:19:48,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 1762 transitions. [2018-12-09 09:19:48,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-09 09:19:48,694 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:48,728 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 09:19:49,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:49,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 1553 states and 1808 transitions. [2018-12-09 09:19:49,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 1808 transitions. [2018-12-09 09:19:49,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-09 09:19:49,966 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:49,993 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 09:19:50,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:50,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1580 states and 1835 transitions. [2018-12-09 09:19:50,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 1835 transitions. [2018-12-09 09:19:50,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-09 09:19:50,272 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:50,299 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 09:19:50,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:50,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1587 states and 1841 transitions. [2018-12-09 09:19:50,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 1841 transitions. [2018-12-09 09:19:50,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-12-09 09:19:50,541 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:50,573 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-09 09:19:50,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:50,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1589 states and 1842 transitions. [2018-12-09 09:19:50,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 1842 transitions. [2018-12-09 09:19:50,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-12-09 09:19:50,693 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:50,723 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-09 09:19:50,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:50,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 1592 states and 1844 transitions. [2018-12-09 09:19:50,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 1844 transitions. [2018-12-09 09:19:50,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-09 09:19:50,751 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:52,086 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 175 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:19:54,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:54,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1937 states to 1669 states and 1937 transitions. [2018-12-09 09:19:54,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 1937 transitions. [2018-12-09 09:19:54,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-09 09:19:54,924 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:54,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:55,134 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 175 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:19:55,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:55,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1673 states and 1941 transitions. [2018-12-09 09:19:55,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 1941 transitions. [2018-12-09 09:19:55,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-09 09:19:55,439 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:55,626 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 175 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:19:55,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:55,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1678 states and 1945 transitions. [2018-12-09 09:19:55,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 1945 transitions. [2018-12-09 09:19:55,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-12-09 09:19:55,887 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:55,926 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-09 09:19:55,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:55,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 1686 states and 1953 transitions. [2018-12-09 09:19:55,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1686 states and 1953 transitions. [2018-12-09 09:19:55,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-09 09:19:55,962 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:55,999 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-09 09:19:57,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:19:57,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2035 states to 1765 states and 2035 transitions. [2018-12-09 09:19:57,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 2035 transitions. [2018-12-09 09:19:57,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-09 09:19:57,184 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:19:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:19:57,576 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 09:20:00,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:00,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2209 states to 1932 states and 2209 transitions. [2018-12-09 09:20:00,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1932 states and 2209 transitions. [2018-12-09 09:20:00,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-09 09:20:00,533 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:00,602 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-09 09:20:00,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:00,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 1936 states and 2213 transitions. [2018-12-09 09:20:00,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 2213 transitions. [2018-12-09 09:20:00,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-09 09:20:00,865 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:00,932 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-09 09:20:01,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:01,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2217 states to 1940 states and 2217 transitions. [2018-12-09 09:20:01,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1940 states and 2217 transitions. [2018-12-09 09:20:01,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-09 09:20:01,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:01,357 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-09 09:20:06,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:06,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 2050 states and 2349 transitions. [2018-12-09 09:20:06,073 INFO L276 IsEmpty]: Start isEmpty. Operand 2050 states and 2349 transitions. [2018-12-09 09:20:06,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-09 09:20:06,075 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:06,179 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-09 09:20:08,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:08,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2468 states to 2163 states and 2468 transitions. [2018-12-09 09:20:08,208 INFO L276 IsEmpty]: Start isEmpty. Operand 2163 states and 2468 transitions. [2018-12-09 09:20:08,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-09 09:20:08,209 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:08,270 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-09 09:20:09,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:09,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2504 states to 2189 states and 2504 transitions. [2018-12-09 09:20:09,550 INFO L276 IsEmpty]: Start isEmpty. Operand 2189 states and 2504 transitions. [2018-12-09 09:20:09,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-09 09:20:09,551 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:09,611 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-09 09:20:09,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:09,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2508 states to 2192 states and 2508 transitions. [2018-12-09 09:20:09,888 INFO L276 IsEmpty]: Start isEmpty. Operand 2192 states and 2508 transitions. [2018-12-09 09:20:09,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-09 09:20:09,890 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:09,960 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-09 09:20:10,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:10,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 2194 states and 2509 transitions. [2018-12-09 09:20:10,140 INFO L276 IsEmpty]: Start isEmpty. Operand 2194 states and 2509 transitions. [2018-12-09 09:20:10,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-09 09:20:10,142 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:10,200 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-09 09:20:10,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:10,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2511 states to 2197 states and 2511 transitions. [2018-12-09 09:20:10,241 INFO L276 IsEmpty]: Start isEmpty. Operand 2197 states and 2511 transitions. [2018-12-09 09:20:10,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-09 09:20:10,242 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:10,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:10,288 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-09 09:20:10,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:10,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2513 states to 2200 states and 2513 transitions. [2018-12-09 09:20:10,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 2513 transitions. [2018-12-09 09:20:10,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-09 09:20:10,455 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:10,644 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 428 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-09 09:20:12,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:12,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2562 states to 2243 states and 2562 transitions. [2018-12-09 09:20:12,900 INFO L276 IsEmpty]: Start isEmpty. Operand 2243 states and 2562 transitions. [2018-12-09 09:20:12,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-09 09:20:12,902 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:12,979 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 428 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-09 09:20:13,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:13,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2247 states and 2565 transitions. [2018-12-09 09:20:13,337 INFO L276 IsEmpty]: Start isEmpty. Operand 2247 states and 2565 transitions. [2018-12-09 09:20:13,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-12-09 09:20:13,338 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:13,970 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 430 proven. 63 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-09 09:20:15,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:15,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2586 states to 2259 states and 2586 transitions. [2018-12-09 09:20:15,607 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 2586 transitions. [2018-12-09 09:20:15,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-09 09:20:15,609 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:15,822 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 428 proven. 4 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-09 09:20:16,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:16,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2604 states to 2272 states and 2604 transitions. [2018-12-09 09:20:16,526 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2604 transitions. [2018-12-09 09:20:16,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-09 09:20:16,527 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:16,753 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 428 proven. 4 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-09 09:20:17,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:17,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2608 states to 2277 states and 2608 transitions. [2018-12-09 09:20:17,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2277 states and 2608 transitions. [2018-12-09 09:20:17,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-09 09:20:17,263 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:17,459 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 428 proven. 4 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-09 09:20:17,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:17,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2612 states to 2281 states and 2612 transitions. [2018-12-09 09:20:17,742 INFO L276 IsEmpty]: Start isEmpty. Operand 2281 states and 2612 transitions. [2018-12-09 09:20:17,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2018-12-09 09:20:17,743 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:17,843 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 12 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2018-12-09 09:20:18,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:18,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2616 states to 2285 states and 2616 transitions. [2018-12-09 09:20:18,054 INFO L276 IsEmpty]: Start isEmpty. Operand 2285 states and 2616 transitions. [2018-12-09 09:20:18,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-12-09 09:20:18,055 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:18,188 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 438 proven. 6 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-12-09 09:20:19,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:19,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2649 states to 2301 states and 2649 transitions. [2018-12-09 09:20:19,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2301 states and 2649 transitions. [2018-12-09 09:20:19,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-12-09 09:20:19,230 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:19,401 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 438 proven. 6 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-12-09 09:20:19,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:19,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2653 states to 2305 states and 2653 transitions. [2018-12-09 09:20:19,683 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 2653 transitions. [2018-12-09 09:20:19,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-12-09 09:20:19,684 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:19,807 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 438 proven. 6 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-12-09 09:20:20,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:20,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2657 states to 2309 states and 2657 transitions. [2018-12-09 09:20:20,106 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 2657 transitions. [2018-12-09 09:20:20,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-12-09 09:20:20,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:20,240 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 438 proven. 6 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-12-09 09:20:20,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:20,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2661 states to 2313 states and 2661 transitions. [2018-12-09 09:20:20,563 INFO L276 IsEmpty]: Start isEmpty. Operand 2313 states and 2661 transitions. [2018-12-09 09:20:20,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-12-09 09:20:20,564 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:20,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:20,691 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 438 proven. 6 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-12-09 09:20:20,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:20,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2665 states to 2317 states and 2665 transitions. [2018-12-09 09:20:20,985 INFO L276 IsEmpty]: Start isEmpty. Operand 2317 states and 2665 transitions. [2018-12-09 09:20:20,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-12-09 09:20:20,986 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:21,119 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 438 proven. 6 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-12-09 09:20:21,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:21,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2669 states to 2321 states and 2669 transitions. [2018-12-09 09:20:21,410 INFO L276 IsEmpty]: Start isEmpty. Operand 2321 states and 2669 transitions. [2018-12-09 09:20:21,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-12-09 09:20:21,411 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:22,504 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 436 proven. 103 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-09 09:20:29,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:29,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 2426 states and 2804 transitions. [2018-12-09 09:20:29,360 INFO L276 IsEmpty]: Start isEmpty. Operand 2426 states and 2804 transitions. [2018-12-09 09:20:29,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-12-09 09:20:29,362 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:29,573 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 436 proven. 103 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-09 09:20:31,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:31,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2825 states to 2444 states and 2825 transitions. [2018-12-09 09:20:31,780 INFO L276 IsEmpty]: Start isEmpty. Operand 2444 states and 2825 transitions. [2018-12-09 09:20:31,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-12-09 09:20:31,782 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:31,943 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 436 proven. 103 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-09 09:20:32,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:32,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2829 states to 2449 states and 2829 transitions. [2018-12-09 09:20:32,556 INFO L276 IsEmpty]: Start isEmpty. Operand 2449 states and 2829 transitions. [2018-12-09 09:20:32,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-12-09 09:20:32,558 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:32,719 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 436 proven. 103 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-09 09:20:33,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:33,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2855 states to 2473 states and 2855 transitions. [2018-12-09 09:20:33,652 INFO L276 IsEmpty]: Start isEmpty. Operand 2473 states and 2855 transitions. [2018-12-09 09:20:33,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-12-09 09:20:33,653 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:33,814 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 436 proven. 103 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-09 09:20:35,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:35,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2867 states to 2482 states and 2867 transitions. [2018-12-09 09:20:35,061 INFO L276 IsEmpty]: Start isEmpty. Operand 2482 states and 2867 transitions. [2018-12-09 09:20:35,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-12-09 09:20:35,063 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:35,223 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 436 proven. 103 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-09 09:20:35,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:35,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2872 states to 2486 states and 2872 transitions. [2018-12-09 09:20:35,727 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 2872 transitions. [2018-12-09 09:20:35,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-12-09 09:20:35,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:35,889 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 436 proven. 103 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-09 09:20:36,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:36,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2491 states and 2876 transitions. [2018-12-09 09:20:36,344 INFO L276 IsEmpty]: Start isEmpty. Operand 2491 states and 2876 transitions. [2018-12-09 09:20:36,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2018-12-09 09:20:36,345 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:37,418 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 409 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-12-09 09:20:40,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:40,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2940 states to 2555 states and 2940 transitions. [2018-12-09 09:20:40,849 INFO L276 IsEmpty]: Start isEmpty. Operand 2555 states and 2940 transitions. [2018-12-09 09:20:40,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-09 09:20:40,850 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:40,940 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 597 proven. 16 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-12-09 09:20:42,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:42,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2965 states to 2579 states and 2965 transitions. [2018-12-09 09:20:42,599 INFO L276 IsEmpty]: Start isEmpty. Operand 2579 states and 2965 transitions. [2018-12-09 09:20:42,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-09 09:20:42,600 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:42,690 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 597 proven. 16 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-12-09 09:20:43,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:43,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2968 states to 2583 states and 2968 transitions. [2018-12-09 09:20:43,180 INFO L276 IsEmpty]: Start isEmpty. Operand 2583 states and 2968 transitions. [2018-12-09 09:20:43,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-12-09 09:20:43,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:43,430 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 529 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-09 09:20:49,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:49,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3043 states to 2647 states and 3043 transitions. [2018-12-09 09:20:49,787 INFO L276 IsEmpty]: Start isEmpty. Operand 2647 states and 3043 transitions. [2018-12-09 09:20:49,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-12-09 09:20:49,789 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:49,847 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 529 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-09 09:20:52,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:52,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 2660 states and 3062 transitions. [2018-12-09 09:20:52,179 INFO L276 IsEmpty]: Start isEmpty. Operand 2660 states and 3062 transitions. [2018-12-09 09:20:52,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-12-09 09:20:52,180 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:52,240 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 529 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-09 09:20:52,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:52,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3069 states to 2665 states and 3069 transitions. [2018-12-09 09:20:52,661 INFO L276 IsEmpty]: Start isEmpty. Operand 2665 states and 3069 transitions. [2018-12-09 09:20:52,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-12-09 09:20:52,663 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:52,721 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 529 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-09 09:20:53,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:20:53,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3072 states to 2669 states and 3072 transitions. [2018-12-09 09:20:53,155 INFO L276 IsEmpty]: Start isEmpty. Operand 2669 states and 3072 transitions. [2018-12-09 09:20:53,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-12-09 09:20:53,156 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:20:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:20:53,623 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 408 proven. 23 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2018-12-09 09:21:08,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:21:08,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 2873 states and 3325 transitions. [2018-12-09 09:21:08,223 INFO L276 IsEmpty]: Start isEmpty. Operand 2873 states and 3325 transitions. [2018-12-09 09:21:08,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2018-12-09 09:21:08,225 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:21:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:21:08,679 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 418 proven. 43 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2018-12-09 09:21:18,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:21:18,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3401 states to 2935 states and 3401 transitions. [2018-12-09 09:21:18,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2935 states and 3401 transitions. [2018-12-09 09:21:18,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2018-12-09 09:21:18,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:21:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:21:18,830 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 548 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2018-12-09 09:21:19,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:21:19,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3407 states to 2939 states and 3407 transitions. [2018-12-09 09:21:19,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2939 states and 3407 transitions. [2018-12-09 09:21:19,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2018-12-09 09:21:19,239 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:21:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:21:19,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 592 proven. 0 refuted. 0 times theorem prover too weak. 497 trivial. 0 not checked. [2018-12-09 09:21:22,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:21:22,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3469 states to 3000 states and 3469 transitions. [2018-12-09 09:21:22,616 INFO L276 IsEmpty]: Start isEmpty. Operand 3000 states and 3469 transitions. [2018-12-09 09:21:22,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2018-12-09 09:21:22,618 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:21:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:21:22,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 592 proven. 0 refuted. 0 times theorem prover too weak. 497 trivial. 0 not checked. [2018-12-09 09:21:23,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:21:23,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3293 states to 2835 states and 3293 transitions. [2018-12-09 09:21:23,114 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 3293 transitions. [2018-12-09 09:21:23,115 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 09:21:23,115 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 137 iterations. [2018-12-09 09:21:23,122 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 09:21:24,616 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 20 [2018-12-09 09:21:24,737 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 20 [2018-12-09 09:21:24,955 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 20 [2018-12-09 09:21:25,485 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 44 [2018-12-09 09:21:26,789 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 20 [2018-12-09 09:21:26,901 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 20 [2018-12-09 09:21:28,000 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 20 [2018-12-09 09:21:28,116 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 20 [2018-12-09 09:21:28,547 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 20 [2018-12-09 09:21:29,057 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 09:21:29,059 INFO L583 CodeCheckObserver]: Invariant with dag size 20 [2018-12-09 09:21:29,064 INFO L583 CodeCheckObserver]: Invariant with dag size 20 [2018-12-09 09:21:29,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 09:21:29 ImpRootNode [2018-12-09 09:21:29,065 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 09:21:29,065 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:21:29,065 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:21:29,065 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:21:29,065 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:19:09" (3/4) ... [2018-12-09 09:21:29,068 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 09:21:29,077 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2018-12-09 09:21:29,078 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-09 09:21:29,078 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-09 09:21:29,079 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 09:21:29,142 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_950cfc0d-9f7e-4462-8502-064d67083efa/bin-2019/ukojak/witness.graphml [2018-12-09 09:21:29,142 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:21:29,142 INFO L168 Benchmark]: Toolchain (without parser) took 141348.80 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.6 GB). Free memory was 950.6 MB in the beginning and 1.8 GB in the end (delta: -885.8 MB). Peak memory consumption was 733.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:21:29,143 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:21:29,143 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -187.8 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. [2018-12-09 09:21:29,143 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-09 09:21:29,143 INFO L168 Benchmark]: Boogie Preprocessor took 40.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-09 09:21:29,143 INFO L168 Benchmark]: RCFGBuilder took 1025.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 910.5 MB in the end (delta: 214.6 MB). Peak memory consumption was 214.6 MB. Max. memory is 11.5 GB. [2018-12-09 09:21:29,143 INFO L168 Benchmark]: CodeCheck took 139796.42 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 910.5 MB in the beginning and 1.9 GB in the end (delta: -960.3 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-12-09 09:21:29,144 INFO L168 Benchmark]: Witness Printer took 76.88 ms. Allocated memory is still 2.6 GB. Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. [2018-12-09 09:21:29,145 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, 227 locations, 1 error locations. SAFE Result, 133.8s OverallTime, 137 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -2079324208 SDtfs, -152417656 SDslu, -1736953376 SDs, 0 SdLazy, -178615364 SolverSat, -1644065516 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 434.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 187819 GetRequests, 183310 SyntacticMatches, 3219 SemanticMatches, 1290 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1214717 ImplicationChecksByTransitivity, 114.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 10.6s InterpolantComputationTime, 29340 NumberOfCodeBlocks, 29340 NumberOfCodeBlocksAsserted, 136 NumberOfCheckSat, 29204 ConstructedInterpolants, 0 QuantifiedInterpolants, 24894882 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 136 InterpolantComputations, 95 PerfectInterpolantSequences, 35238/36452 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: 478]: 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: ((!(a25 == 1) || a19 == 1) || a17 == 8) || (((a28 == 9 && a17 == 7) && a21 == 1) && a11 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((!(a25 == 1) || a19 == 1) || a17 == 8) || (((a28 == 9 && a17 == 7) && a21 == 1) && a11 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 355.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -187.8 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1025.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 910.5 MB in the end (delta: 214.6 MB). Peak memory consumption was 214.6 MB. Max. memory is 11.5 GB. * CodeCheck took 139796.42 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 910.5 MB in the beginning and 1.9 GB in the end (delta: -960.3 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. * Witness Printer took 76.88 ms. Allocated memory is still 2.6 GB. Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...