./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2cc02935-665b-46ad-8362-cee340df5768/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2cc02935-665b-46ad-8362-cee340df5768/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2cc02935-665b-46ad-8362-cee340df5768/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2cc02935-665b-46ad-8362-cee340df5768/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2cc02935-665b-46ad-8362-cee340df5768/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2cc02935-665b-46ad-8362-cee340df5768/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 03d2eba0c96e405e42abc242d8ae37d66c66f111 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 16:01:00,090 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 16:01:00,091 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 16:01:00,098 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 16:01:00,099 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 16:01:00,099 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 16:01:00,100 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 16:01:00,101 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 16:01:00,102 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 16:01:00,103 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 16:01:00,103 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 16:01:00,103 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 16:01:00,104 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 16:01:00,105 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 16:01:00,105 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 16:01:00,106 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 16:01:00,107 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 16:01:00,108 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 16:01:00,109 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 16:01:00,110 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 16:01:00,111 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 16:01:00,111 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 16:01:00,113 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 16:01:00,113 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 16:01:00,113 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 16:01:00,114 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 16:01:00,115 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 16:01:00,115 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 16:01:00,116 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 16:01:00,116 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 16:01:00,117 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 16:01:00,117 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 16:01:00,117 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 16:01:00,117 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 16:01:00,118 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 16:01:00,118 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 16:01:00,119 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2cc02935-665b-46ad-8362-cee340df5768/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 16:01:00,128 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 16:01:00,129 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 16:01:00,129 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 16:01:00,129 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 16:01:00,130 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 16:01:00,130 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 16:01:00,130 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 16:01:00,130 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 16:01:00,130 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 16:01:00,131 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 16:01:00,131 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 16:01:00,131 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 16:01:00,131 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 16:01:00,131 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 16:01:00,131 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 16:01:00,131 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 16:01:00,131 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 16:01:00,131 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 16:01:00,132 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 16:01:00,132 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 16:01:00,132 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 16:01:00,132 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 16:01:00,132 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 16:01:00,132 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 16:01:00,132 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 16:01:00,133 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 16:01:00,133 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 16:01:00,133 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 16:01:00,133 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 16:01:00,133 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_2cc02935-665b-46ad-8362-cee340df5768/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 -> 03d2eba0c96e405e42abc242d8ae37d66c66f111 [2018-11-23 16:01:00,154 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 16:01:00,162 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 16:01:00,164 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 16:01:00,165 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 16:01:00,165 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 16:01:00,166 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2cc02935-665b-46ad-8362-cee340df5768/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c [2018-11-23 16:01:00,201 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2cc02935-665b-46ad-8362-cee340df5768/bin-2019/ukojak/data/d4cc68bad/80513636249548b5b781861be1980cf3/FLAG58ad7c593 [2018-11-23 16:01:00,591 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 16:01:00,591 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2cc02935-665b-46ad-8362-cee340df5768/sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c [2018-11-23 16:01:00,600 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2cc02935-665b-46ad-8362-cee340df5768/bin-2019/ukojak/data/d4cc68bad/80513636249548b5b781861be1980cf3/FLAG58ad7c593 [2018-11-23 16:01:00,970 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2cc02935-665b-46ad-8362-cee340df5768/bin-2019/ukojak/data/d4cc68bad/80513636249548b5b781861be1980cf3 [2018-11-23 16:01:00,972 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 16:01:00,973 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 16:01:00,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 16:01:00,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 16:01:00,975 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 16:01:00,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:01:00" (1/1) ... [2018-11-23 16:01:00,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb4fcbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:00, skipping insertion in model container [2018-11-23 16:01:00,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:01:00" (1/1) ... [2018-11-23 16:01:00,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 16:01:01,023 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 16:01:01,242 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 16:01:01,245 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 16:01:01,309 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 16:01:01,322 INFO L195 MainTranslator]: Completed translation [2018-11-23 16:01:01,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:01 WrapperNode [2018-11-23 16:01:01,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 16:01:01,325 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 16:01:01,325 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 16:01:01,325 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 16:01:01,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:01" (1/1) ... [2018-11-23 16:01:01,395 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:01" (1/1) ... [2018-11-23 16:01:01,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 16:01:01,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 16:01:01,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 16:01:01,431 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 16:01:01,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:01" (1/1) ... [2018-11-23 16:01:01,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:01" (1/1) ... [2018-11-23 16:01:01,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:01" (1/1) ... [2018-11-23 16:01:01,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:01" (1/1) ... [2018-11-23 16:01:01,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:01" (1/1) ... [2018-11-23 16:01:01,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:01" (1/1) ... [2018-11-23 16:01:01,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:01" (1/1) ... [2018-11-23 16:01:01,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 16:01:01,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 16:01:01,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 16:01:01,473 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 16:01:01,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2cc02935-665b-46ad-8362-cee340df5768/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 16:01:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 16:01:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 16:01:01,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 16:01:02,928 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 16:01:02,928 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 16:01:02,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:01:02 BoogieIcfgContainer [2018-11-23 16:01:02,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 16:01:02,929 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 16:01:02,929 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 16:01:02,936 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 16:01:02,936 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:01:02" (1/1) ... [2018-11-23 16:01:02,944 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:01:02,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:02,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-11-23 16:01:02,969 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-11-23 16:01:02,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 16:01:02,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:03,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:01:03,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:03,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 163 states and 241 transitions. [2018-11-23 16:01:03,609 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 241 transitions. [2018-11-23 16:01:03,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 16:01:03,612 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:03,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:01:04,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:04,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 242 states and 325 transitions. [2018-11-23 16:01:04,095 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 325 transitions. [2018-11-23 16:01:04,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-23 16:01:04,097 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:04,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 16:01:04,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:04,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 243 states and 326 transitions. [2018-11-23 16:01:04,231 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 326 transitions. [2018-11-23 16:01:04,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-23 16:01:04,233 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:04,289 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 16:01:04,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:04,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 245 states and 329 transitions. [2018-11-23 16:01:04,381 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 329 transitions. [2018-11-23 16:01:04,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-23 16:01:04,389 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:04,456 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:01:04,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:04,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 262 states and 356 transitions. [2018-11-23 16:01:04,577 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 356 transitions. [2018-11-23 16:01:04,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 16:01:04,578 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:04,668 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:01:05,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:05,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 280 states and 381 transitions. [2018-11-23 16:01:05,107 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 381 transitions. [2018-11-23 16:01:05,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 16:01:05,108 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:05,150 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:01:05,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:05,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 301 states and 410 transitions. [2018-11-23 16:01:05,439 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 410 transitions. [2018-11-23 16:01:05,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-23 16:01:05,440 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:05,463 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:01:05,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:05,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 305 states and 417 transitions. [2018-11-23 16:01:05,637 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 417 transitions. [2018-11-23 16:01:05,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 16:01:05,639 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:05,665 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 16:01:05,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:05,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 309 states and 425 transitions. [2018-11-23 16:01:05,876 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 425 transitions. [2018-11-23 16:01:05,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 16:01:05,877 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:05,903 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 16:01:06,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:06,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 323 states and 439 transitions. [2018-11-23 16:01:06,088 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 439 transitions. [2018-11-23 16:01:06,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 16:01:06,088 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:06,111 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:01:06,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:06,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 327 states and 443 transitions. [2018-11-23 16:01:06,146 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 443 transitions. [2018-11-23 16:01:06,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 16:01:06,147 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:06,175 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 16:01:06,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:06,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 331 states and 449 transitions. [2018-11-23 16:01:06,431 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 449 transitions. [2018-11-23 16:01:06,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 16:01:06,432 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:06,516 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 16:01:06,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:06,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 342 states and 465 transitions. [2018-11-23 16:01:06,782 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 465 transitions. [2018-11-23 16:01:06,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-23 16:01:06,783 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:06,807 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 16:01:06,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:06,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 343 states and 468 transitions. [2018-11-23 16:01:06,923 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 468 transitions. [2018-11-23 16:01:06,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-23 16:01:06,923 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:06,949 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 16:01:07,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:07,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 360 states and 486 transitions. [2018-11-23 16:01:07,189 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 486 transitions. [2018-11-23 16:01:07,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-23 16:01:07,189 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:07,271 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:01:07,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:07,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 390 states and 525 transitions. [2018-11-23 16:01:07,872 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 525 transitions. [2018-11-23 16:01:07,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 16:01:07,873 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:07,955 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:01:08,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:08,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 420 states and 561 transitions. [2018-11-23 16:01:08,682 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 561 transitions. [2018-11-23 16:01:08,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 16:01:08,683 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:08,742 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:01:08,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:08,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 423 states and 565 transitions. [2018-11-23 16:01:08,850 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 565 transitions. [2018-11-23 16:01:08,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 16:01:08,851 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:08,874 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:01:09,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:09,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 439 states and 583 transitions. [2018-11-23 16:01:09,077 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 583 transitions. [2018-11-23 16:01:09,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-23 16:01:09,078 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:09,151 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 16:01:09,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:09,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 440 states and 585 transitions. [2018-11-23 16:01:09,364 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 585 transitions. [2018-11-23 16:01:09,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-23 16:01:09,365 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:09,411 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:01:09,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:09,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 459 states and 607 transitions. [2018-11-23 16:01:09,657 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 607 transitions. [2018-11-23 16:01:09,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-23 16:01:09,658 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:09,679 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 16:01:09,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:09,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 463 states and 610 transitions. [2018-11-23 16:01:09,761 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 610 transitions. [2018-11-23 16:01:09,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 16:01:09,762 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:09,815 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 16:01:09,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:09,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 491 states and 638 transitions. [2018-11-23 16:01:09,999 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 638 transitions. [2018-11-23 16:01:10,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 16:01:10,000 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:10,019 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 16:01:10,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:10,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 496 states and 642 transitions. [2018-11-23 16:01:10,042 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 642 transitions. [2018-11-23 16:01:10,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-23 16:01:10,043 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:10,067 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 16:01:10,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:10,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 510 states and 657 transitions. [2018-11-23 16:01:10,285 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 657 transitions. [2018-11-23 16:01:10,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-23 16:01:10,286 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:10,305 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 16:01:10,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:10,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 522 states and 668 transitions. [2018-11-23 16:01:10,403 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 668 transitions. [2018-11-23 16:01:10,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-23 16:01:10,404 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:10,807 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 94 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 16:01:12,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:12,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 562 states and 720 transitions. [2018-11-23 16:01:12,246 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 720 transitions. [2018-11-23 16:01:12,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-23 16:01:12,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:12,279 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 94 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 16:01:12,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:12,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 577 states and 734 transitions. [2018-11-23 16:01:12,459 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 734 transitions. [2018-11-23 16:01:12,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-23 16:01:12,459 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:12,489 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 94 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 16:01:12,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:12,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 589 states and 745 transitions. [2018-11-23 16:01:12,694 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 745 transitions. [2018-11-23 16:01:12,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 16:01:12,694 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:12,738 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:01:12,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:12,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 608 states and 764 transitions. [2018-11-23 16:01:12,817 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 764 transitions. [2018-11-23 16:01:12,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-23 16:01:12,817 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:12,840 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 16:01:12,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:12,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 609 states and 765 transitions. [2018-11-23 16:01:12,993 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 765 transitions. [2018-11-23 16:01:12,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 16:01:12,993 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:13,028 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 16:01:13,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:13,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 614 states and 772 transitions. [2018-11-23 16:01:13,080 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 772 transitions. [2018-11-23 16:01:13,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 16:01:13,081 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:13,117 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:01:13,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:13,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 616 states and 774 transitions. [2018-11-23 16:01:13,156 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 774 transitions. [2018-11-23 16:01:13,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-23 16:01:13,157 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:13,190 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 16:01:13,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:13,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 617 states and 775 transitions. [2018-11-23 16:01:13,219 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 775 transitions. [2018-11-23 16:01:13,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-23 16:01:13,220 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:13,317 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 16:01:13,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:13,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 631 states and 789 transitions. [2018-11-23 16:01:13,374 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 789 transitions. [2018-11-23 16:01:13,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 16:01:13,375 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:13,433 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-11-23 16:01:13,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:13,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 633 states and 790 transitions. [2018-11-23 16:01:13,567 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 790 transitions. [2018-11-23 16:01:13,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-23 16:01:13,568 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:13,638 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 16:01:14,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:14,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 652 states and 812 transitions. [2018-11-23 16:01:14,037 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 812 transitions. [2018-11-23 16:01:14,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-23 16:01:14,037 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:14,085 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 16:01:14,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:14,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 653 states and 813 transitions. [2018-11-23 16:01:14,099 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 813 transitions. [2018-11-23 16:01:14,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-23 16:01:14,100 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:14,119 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 16:01:14,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:14,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 656 states and 816 transitions. [2018-11-23 16:01:14,135 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 816 transitions. [2018-11-23 16:01:14,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-23 16:01:14,135 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:14,216 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 16:01:14,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:14,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 657 states and 817 transitions. [2018-11-23 16:01:14,394 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 817 transitions. [2018-11-23 16:01:14,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-23 16:01:14,394 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:14,469 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 16:01:14,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:14,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 672 states and 831 transitions. [2018-11-23 16:01:14,822 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 831 transitions. [2018-11-23 16:01:14,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-23 16:01:14,823 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:14,868 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:01:15,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:15,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 685 states and 845 transitions. [2018-11-23 16:01:15,268 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 845 transitions. [2018-11-23 16:01:15,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-23 16:01:15,269 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:15,324 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 16:01:15,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:15,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 688 states and 848 transitions. [2018-11-23 16:01:15,457 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 848 transitions. [2018-11-23 16:01:15,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-23 16:01:15,458 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:15,493 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 16:01:15,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:15,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 712 states and 873 transitions. [2018-11-23 16:01:15,558 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 873 transitions. [2018-11-23 16:01:15,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-23 16:01:15,559 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:15,684 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 16:01:16,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:16,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 729 states and 893 transitions. [2018-11-23 16:01:16,508 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 893 transitions. [2018-11-23 16:01:16,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-23 16:01:16,509 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:16,592 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 16:01:16,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:16,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 741 states and 904 transitions. [2018-11-23 16:01:16,915 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 904 transitions. [2018-11-23 16:01:16,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-23 16:01:16,915 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:16,969 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 16:01:17,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:17,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 763 states and 927 transitions. [2018-11-23 16:01:17,188 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 927 transitions. [2018-11-23 16:01:17,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-23 16:01:17,188 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:17,222 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 16:01:17,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:17,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 791 states and 955 transitions. [2018-11-23 16:01:17,309 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 955 transitions. [2018-11-23 16:01:17,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-23 16:01:17,310 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:17,334 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 16:01:17,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:17,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 795 states and 959 transitions. [2018-11-23 16:01:17,355 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 959 transitions. [2018-11-23 16:01:17,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-23 16:01:17,356 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:17,437 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-11-23 16:01:17,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:17,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 813 states and 979 transitions. [2018-11-23 16:01:17,833 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 979 transitions. [2018-11-23 16:01:17,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-23 16:01:17,834 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:17,872 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 16:01:17,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:17,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 823 states and 990 transitions. [2018-11-23 16:01:17,986 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 990 transitions. [2018-11-23 16:01:17,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-23 16:01:17,987 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:18,026 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 16:01:18,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:18,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 835 states and 1005 transitions. [2018-11-23 16:01:18,400 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1005 transitions. [2018-11-23 16:01:18,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-23 16:01:18,401 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:18,714 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 178 proven. 9 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 16:01:20,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:20,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 846 states and 1023 transitions. [2018-11-23 16:01:20,031 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1023 transitions. [2018-11-23 16:01:20,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-23 16:01:20,032 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:20,072 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-11-23 16:01:20,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:20,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 847 states and 1024 transitions. [2018-11-23 16:01:20,089 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1024 transitions. [2018-11-23 16:01:20,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-23 16:01:20,090 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:20,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:20,133 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-11-23 16:01:20,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:20,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 848 states and 1024 transitions. [2018-11-23 16:01:20,281 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1024 transitions. [2018-11-23 16:01:20,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-23 16:01:20,281 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:20,306 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 16:01:20,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:20,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 852 states and 1029 transitions. [2018-11-23 16:01:20,397 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1029 transitions. [2018-11-23 16:01:20,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-23 16:01:20,397 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:20,507 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-11-23 16:01:20,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:20,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 866 states and 1043 transitions. [2018-11-23 16:01:20,997 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1043 transitions. [2018-11-23 16:01:20,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-23 16:01:20,998 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:21,073 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-11-23 16:01:21,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:21,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 878 states and 1054 transitions. [2018-11-23 16:01:21,431 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1054 transitions. [2018-11-23 16:01:21,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-23 16:01:21,432 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:21,590 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 16:01:22,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:22,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 949 states and 1133 transitions. [2018-11-23 16:01:22,265 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1133 transitions. [2018-11-23 16:01:22,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-23 16:01:22,266 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:22,405 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 16:01:22,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:22,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 950 states and 1133 transitions. [2018-11-23 16:01:22,550 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1133 transitions. [2018-11-23 16:01:22,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 16:01:22,551 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:22,605 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 16:01:22,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:22,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 951 states and 1133 transitions. [2018-11-23 16:01:22,620 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1133 transitions. [2018-11-23 16:01:22,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-23 16:01:22,620 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:22,676 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 16:01:23,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:23,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 976 states and 1158 transitions. [2018-11-23 16:01:23,270 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1158 transitions. [2018-11-23 16:01:23,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-23 16:01:23,271 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:23,312 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-23 16:01:23,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:23,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 983 states and 1164 transitions. [2018-11-23 16:01:23,525 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1164 transitions. [2018-11-23 16:01:23,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-23 16:01:23,526 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:23,554 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 16:01:23,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:23,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 986 states and 1167 transitions. [2018-11-23 16:01:23,582 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1167 transitions. [2018-11-23 16:01:23,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-23 16:01:23,584 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:23,707 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 16:01:24,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:24,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1061 states and 1248 transitions. [2018-11-23 16:01:24,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1248 transitions. [2018-11-23 16:01:24,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-23 16:01:24,859 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:24,915 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 161 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 16:01:25,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:25,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1093 states and 1284 transitions. [2018-11-23 16:01:25,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1284 transitions. [2018-11-23 16:01:25,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-23 16:01:25,303 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:25,369 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 161 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 16:01:25,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:25,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1094 states and 1284 transitions. [2018-11-23 16:01:25,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1284 transitions. [2018-11-23 16:01:25,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-23 16:01:25,550 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:25,581 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-23 16:01:25,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:25,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1104 states and 1296 transitions. [2018-11-23 16:01:25,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1296 transitions. [2018-11-23 16:01:25,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-23 16:01:25,785 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:25,995 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 16:01:26,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:26,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 1111 states and 1306 transitions. [2018-11-23 16:01:26,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 1306 transitions. [2018-11-23 16:01:26,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-23 16:01:26,799 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:26,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:26,839 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 16:01:27,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:27,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 1126 states and 1322 transitions. [2018-11-23 16:01:27,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1322 transitions. [2018-11-23 16:01:27,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-23 16:01:27,202 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:27,252 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 177 proven. 1 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 16:01:27,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:27,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1149 states and 1348 transitions. [2018-11-23 16:01:27,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1348 transitions. [2018-11-23 16:01:27,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-23 16:01:27,796 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:27,863 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 177 proven. 1 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 16:01:28,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:28,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1150 states and 1349 transitions. [2018-11-23 16:01:28,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1349 transitions. [2018-11-23 16:01:28,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-23 16:01:28,089 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:28,168 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 195 proven. 16 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 16:01:29,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:29,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1183 states and 1387 transitions. [2018-11-23 16:01:29,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1387 transitions. [2018-11-23 16:01:29,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-23 16:01:29,035 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:29,101 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 195 proven. 16 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 16:01:29,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:29,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1186 states and 1391 transitions. [2018-11-23 16:01:29,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1391 transitions. [2018-11-23 16:01:29,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-23 16:01:29,317 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:29,384 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 195 proven. 16 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 16:01:29,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:29,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1187 states and 1392 transitions. [2018-11-23 16:01:29,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1392 transitions. [2018-11-23 16:01:29,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-23 16:01:29,611 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:29,654 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-23 16:01:29,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:29,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1191 states and 1398 transitions. [2018-11-23 16:01:29,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1398 transitions. [2018-11-23 16:01:29,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-11-23 16:01:29,783 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:29,843 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 211 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-23 16:01:30,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:30,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1209 states and 1415 transitions. [2018-11-23 16:01:30,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1415 transitions. [2018-11-23 16:01:30,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-23 16:01:30,075 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:30,108 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-23 16:01:30,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:30,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 1247 states and 1455 transitions. [2018-11-23 16:01:30,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1455 transitions. [2018-11-23 16:01:30,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-23 16:01:30,282 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:30,735 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-11-23 16:01:33,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:33,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1311 states and 1525 transitions. [2018-11-23 16:01:33,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1525 transitions. [2018-11-23 16:01:33,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-23 16:01:33,438 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:33,495 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-11-23 16:01:33,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:33,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1314 states and 1528 transitions. [2018-11-23 16:01:33,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1528 transitions. [2018-11-23 16:01:33,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-23 16:01:33,755 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:33,791 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-11-23 16:01:33,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:33,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 1317 states and 1530 transitions. [2018-11-23 16:01:33,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1530 transitions. [2018-11-23 16:01:33,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-23 16:01:33,837 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:34,130 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-11-23 16:01:35,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:35,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1353 states and 1567 transitions. [2018-11-23 16:01:35,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 1567 transitions. [2018-11-23 16:01:35,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-23 16:01:35,489 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:36,308 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 282 proven. 61 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 16:01:39,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:39,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1474 states and 1707 transitions. [2018-11-23 16:01:39,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 1707 transitions. [2018-11-23 16:01:39,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-23 16:01:39,658 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:39,927 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 282 proven. 61 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 16:01:40,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:40,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 1478 states and 1711 transitions. [2018-11-23 16:01:40,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 1711 transitions. [2018-11-23 16:01:40,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-23 16:01:40,200 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:40,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:40,420 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 282 proven. 61 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 16:01:40,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:40,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1483 states and 1715 transitions. [2018-11-23 16:01:40,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 1715 transitions. [2018-11-23 16:01:40,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-23 16:01:40,665 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:40,719 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-23 16:01:40,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:40,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1510 states and 1742 transitions. [2018-11-23 16:01:40,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1742 transitions. [2018-11-23 16:01:40,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-11-23 16:01:40,949 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:40,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:41,045 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 305 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 16:01:41,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:41,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1766 states to 1534 states and 1766 transitions. [2018-11-23 16:01:41,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 1766 transitions. [2018-11-23 16:01:41,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-11-23 16:01:41,201 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:41,291 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 305 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 16:01:41,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:41,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1553 states and 1784 transitions. [2018-11-23 16:01:41,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 1784 transitions. [2018-11-23 16:01:41,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-23 16:01:41,443 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:41,508 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-23 16:01:41,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:41,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 1567 states and 1798 transitions. [2018-11-23 16:01:41,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 1798 transitions. [2018-11-23 16:01:41,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-11-23 16:01:41,647 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:41,724 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 404 proven. 6 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-11-23 16:01:42,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:42,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 1583 states and 1816 transitions. [2018-11-23 16:01:42,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 1816 transitions. [2018-11-23 16:01:42,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-11-23 16:01:42,216 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 16:01:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:01:42,291 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 404 proven. 6 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-11-23 16:01:42,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 16:01:42,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 1420 states and 1631 transitions. [2018-11-23 16:01:42,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 1631 transitions. [2018-11-23 16:01:42,542 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 16:01:42,543 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 92 iterations. [2018-11-23 16:01:42,549 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 16:01:45,524 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 16:01:45,526 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-23 16:01:45,531 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-23 16:01:45,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 04:01:45 ImpRootNode [2018-11-23 16:01:45,532 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 16:01:45,532 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 16:01:45,533 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 16:01:45,533 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 16:01:45,534 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:01:02" (3/4) ... [2018-11-23 16:01:45,537 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 16:01:45,550 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2018-11-23 16:01:45,551 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-23 16:01:45,552 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-23 16:01:45,552 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 16:01:45,632 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2cc02935-665b-46ad-8362-cee340df5768/bin-2019/ukojak/witness.graphml [2018-11-23 16:01:45,632 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 16:01:45,633 INFO L168 Benchmark]: Toolchain (without parser) took 44660.27 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.3 GB). Free memory was 956.4 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 239.3 MB. Max. memory is 11.5 GB. [2018-11-23 16:01:45,634 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 16:01:45,634 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.36 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 921.5 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-23 16:01:45,634 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 921.5 MB in the beginning and 1.1 GB in the end (delta: -207.0 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-11-23 16:01:45,635 INFO L168 Benchmark]: Boogie Preprocessor took 41.28 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 16:01:45,635 INFO L168 Benchmark]: RCFGBuilder took 1456.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 878.3 MB in the end (delta: 246.9 MB). Peak memory consumption was 246.9 MB. Max. memory is 11.5 GB. [2018-11-23 16:01:45,635 INFO L168 Benchmark]: CodeCheck took 42602.74 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 878.3 MB in the beginning and 2.1 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-23 16:01:45,635 INFO L168 Benchmark]: Witness Printer took 99.43 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. [2018-11-23 16:01:45,637 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, 39.5s OverallTime, 92 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 450373648 SDtfs, 1590163508 SDslu, 67396704 SDs, 0 SdLazy, 178363754 SolverSat, 122402350 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 178.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102529 GetRequests, 100958 SyntacticMatches, 947 SemanticMatches, 624 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293336 ImplicationChecksByTransitivity, 30.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 16281 NumberOfCodeBlocks, 16281 NumberOfCodeBlocksAsserted, 91 NumberOfCheckSat, 16190 ConstructedInterpolants, 0 QuantifiedInterpolants, 7362748 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 91 InterpolantComputations, 72 PerfectInterpolantSequences, 15534/15814 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: 463]: 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: (a17 == 8 || (a11 == 1 && !(a17 == 9))) || (!(a19 == 1) && a11 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (a17 == 8 || (a11 == 1 && !(a17 == 9))) || (!(a19 == 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 349.36 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 921.5 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 105.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 921.5 MB in the beginning and 1.1 GB in the end (delta: -207.0 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.28 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1456.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 878.3 MB in the end (delta: 246.9 MB). Peak memory consumption was 246.9 MB. Max. memory is 11.5 GB. * CodeCheck took 42602.74 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 878.3 MB in the beginning and 2.1 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 99.43 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...