./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label11_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d397f35d-53d8-4816-83bb-1f61b5ed577b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d397f35d-53d8-4816-83bb-1f61b5ed577b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d397f35d-53d8-4816-83bb-1f61b5ed577b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d397f35d-53d8-4816-83bb-1f61b5ed577b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label11_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d397f35d-53d8-4816-83bb-1f61b5ed577b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d397f35d-53d8-4816-83bb-1f61b5ed577b/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e09138f51265758a55ca4b42a17e715ba685a263 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 15:18:01,833 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 15:18:01,834 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 15:18:01,840 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 15:18:01,840 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 15:18:01,841 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 15:18:01,842 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 15:18:01,843 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 15:18:01,843 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 15:18:01,844 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 15:18:01,844 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 15:18:01,844 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 15:18:01,845 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 15:18:01,845 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 15:18:01,846 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 15:18:01,846 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 15:18:01,847 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 15:18:01,848 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 15:18:01,849 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 15:18:01,849 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 15:18:01,850 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 15:18:01,851 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 15:18:01,852 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 15:18:01,852 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 15:18:01,852 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 15:18:01,853 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 15:18:01,853 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 15:18:01,854 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 15:18:01,854 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 15:18:01,855 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 15:18:01,855 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 15:18:01,855 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 15:18:01,855 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 15:18:01,855 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 15:18:01,856 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 15:18:01,856 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 15:18:01,856 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d397f35d-53d8-4816-83bb-1f61b5ed577b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 15:18:01,864 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 15:18:01,864 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 15:18:01,865 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 15:18:01,865 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 15:18:01,865 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 15:18:01,865 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 15:18:01,865 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 15:18:01,865 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 15:18:01,866 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 15:18:01,866 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 15:18:01,866 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 15:18:01,866 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 15:18:01,866 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 15:18:01,866 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 15:18:01,866 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 15:18:01,866 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 15:18:01,866 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 15:18:01,866 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 15:18:01,866 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 15:18:01,867 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 15:18:01,867 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 15:18:01,867 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 15:18:01,867 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 15:18:01,867 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 15:18:01,867 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 15:18:01,867 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 15:18:01,867 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 15:18:01,867 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 15:18:01,867 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 15:18:01,867 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_d397f35d-53d8-4816-83bb-1f61b5ed577b/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e09138f51265758a55ca4b42a17e715ba685a263 [2018-12-01 15:18:01,884 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 15:18:01,891 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 15:18:01,893 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 15:18:01,894 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 15:18:01,894 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 15:18:01,895 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d397f35d-53d8-4816-83bb-1f61b5ed577b/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label11_true-unreach-call_false-termination.c [2018-12-01 15:18:01,932 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d397f35d-53d8-4816-83bb-1f61b5ed577b/bin-2019/ukojak/data/2b454fde6/7d3c39728e6c43b8b5b9aa8be7a8844b/FLAGae8062204 [2018-12-01 15:18:02,324 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 15:18:02,324 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d397f35d-53d8-4816-83bb-1f61b5ed577b/sv-benchmarks/c/eca-rers2012/Problem01_label11_true-unreach-call_false-termination.c [2018-12-01 15:18:02,330 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d397f35d-53d8-4816-83bb-1f61b5ed577b/bin-2019/ukojak/data/2b454fde6/7d3c39728e6c43b8b5b9aa8be7a8844b/FLAGae8062204 [2018-12-01 15:18:02,685 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d397f35d-53d8-4816-83bb-1f61b5ed577b/bin-2019/ukojak/data/2b454fde6/7d3c39728e6c43b8b5b9aa8be7a8844b [2018-12-01 15:18:02,687 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 15:18:02,688 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 15:18:02,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 15:18:02,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 15:18:02,690 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 15:18:02,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:18:02" (1/1) ... [2018-12-01 15:18:02,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56acabfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:18:02, skipping insertion in model container [2018-12-01 15:18:02,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:18:02" (1/1) ... [2018-12-01 15:18:02,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 15:18:02,719 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 15:18:02,889 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:18:02,893 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 15:18:02,938 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:18:02,993 INFO L195 MainTranslator]: Completed translation [2018-12-01 15:18:02,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:18:02 WrapperNode [2018-12-01 15:18:02,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 15:18:02,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 15:18:02,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 15:18:02,994 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 15:18:03,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:18:02" (1/1) ... [2018-12-01 15:18:03,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:18:02" (1/1) ... [2018-12-01 15:18:03,051 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 15:18:03,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 15:18:03,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 15:18:03,051 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 15:18:03,059 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:18:02" (1/1) ... [2018-12-01 15:18:03,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:18:02" (1/1) ... [2018-12-01 15:18:03,062 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:18:02" (1/1) ... [2018-12-01 15:18:03,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:18:02" (1/1) ... [2018-12-01 15:18:03,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:18:02" (1/1) ... [2018-12-01 15:18:03,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:18:02" (1/1) ... [2018-12-01 15:18:03,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:18:02" (1/1) ... [2018-12-01 15:18:03,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 15:18:03,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 15:18:03,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 15:18:03,093 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 15:18:03,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:18:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d397f35d-53d8-4816-83bb-1f61b5ed577b/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 15:18:03,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 15:18:03,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 15:18:04,174 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 15:18:04,174 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 15:18:04,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:18:04 BoogieIcfgContainer [2018-12-01 15:18:04,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 15:18:04,175 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 15:18:04,175 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 15:18:04,185 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 15:18:04,185 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:18:04" (1/1) ... [2018-12-01 15:18:04,193 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:18:04,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:04,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-01 15:18:04,217 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-01 15:18:04,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 15:18:04,219 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:04,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:18:04,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:04,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 145 states and 221 transitions. [2018-12-01 15:18:04,709 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 221 transitions. [2018-12-01 15:18:04,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 15:18:04,710 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:04,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:04,775 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:18:04,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:04,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 149 states and 226 transitions. [2018-12-01 15:18:04,863 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 226 transitions. [2018-12-01 15:18:04,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-01 15:18:04,864 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:04,892 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:18:04,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:04,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 154 states and 236 transitions. [2018-12-01 15:18:04,968 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 236 transitions. [2018-12-01 15:18:04,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-01 15:18:04,969 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:05,045 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:18:05,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:05,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 224 states and 309 transitions. [2018-12-01 15:18:05,369 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 309 transitions. [2018-12-01 15:18:05,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-01 15:18:05,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:05,421 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 15:18:05,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:05,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 246 states and 338 transitions. [2018-12-01 15:18:05,657 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 338 transitions. [2018-12-01 15:18:05,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-01 15:18:05,660 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:05,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:05,787 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 15:18:06,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:06,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 256 states and 354 transitions. [2018-12-01 15:18:06,197 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 354 transitions. [2018-12-01 15:18:06,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-01 15:18:06,197 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:06,222 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 15:18:06,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:06,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 261 states and 359 transitions. [2018-12-01 15:18:06,242 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 359 transitions. [2018-12-01 15:18:06,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-01 15:18:06,243 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:06,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:06,294 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:18:06,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:06,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 280 states and 381 transitions. [2018-12-01 15:18:06,433 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 381 transitions. [2018-12-01 15:18:06,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 15:18:06,433 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:06,466 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 15:18:06,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:06,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 285 states and 391 transitions. [2018-12-01 15:18:06,755 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 391 transitions. [2018-12-01 15:18:06,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 15:18:06,755 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:06,773 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 15:18:06,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:06,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 290 states and 399 transitions. [2018-12-01 15:18:06,914 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 399 transitions. [2018-12-01 15:18:06,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 15:18:06,915 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:06,930 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 15:18:06,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:06,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 291 states and 400 transitions. [2018-12-01 15:18:06,993 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 400 transitions. [2018-12-01 15:18:06,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 15:18:06,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:07,010 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 15:18:07,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:07,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 293 states and 403 transitions. [2018-12-01 15:18:07,122 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 403 transitions. [2018-12-01 15:18:07,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 15:18:07,123 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:07,150 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 15:18:07,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:07,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 296 states and 406 transitions. [2018-12-01 15:18:07,280 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 406 transitions. [2018-12-01 15:18:07,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 15:18:07,281 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:07,319 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 15:18:07,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:07,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 299 states and 409 transitions. [2018-12-01 15:18:07,419 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 409 transitions. [2018-12-01 15:18:07,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-01 15:18:07,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:07,437 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 15:18:07,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:07,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 318 states and 428 transitions. [2018-12-01 15:18:07,588 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 428 transitions. [2018-12-01 15:18:07,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-01 15:18:07,589 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:07,675 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:18:07,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:07,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 327 states and 437 transitions. [2018-12-01 15:18:07,821 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 437 transitions. [2018-12-01 15:18:07,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-01 15:18:07,822 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:07,840 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 15:18:08,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:08,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 333 states and 446 transitions. [2018-12-01 15:18:08,187 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 446 transitions. [2018-12-01 15:18:08,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-01 15:18:08,188 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:08,212 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 15:18:08,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:08,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 336 states and 451 transitions. [2018-12-01 15:18:08,325 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 451 transitions. [2018-12-01 15:18:08,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 15:18:08,326 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:08,423 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 15:18:08,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:08,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 341 states and 457 transitions. [2018-12-01 15:18:08,722 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 457 transitions. [2018-12-01 15:18:08,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-01 15:18:08,722 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:08,746 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 15:18:09,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:09,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 351 states and 473 transitions. [2018-12-01 15:18:09,086 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 473 transitions. [2018-12-01 15:18:09,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-01 15:18:09,087 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:09,108 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 15:18:09,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:09,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 355 states and 478 transitions. [2018-12-01 15:18:09,292 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 478 transitions. [2018-12-01 15:18:09,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-01 15:18:09,293 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:09,319 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 15:18:09,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:09,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 360 states and 483 transitions. [2018-12-01 15:18:09,546 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 483 transitions. [2018-12-01 15:18:09,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-01 15:18:09,547 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:09,574 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 15:18:09,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:09,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 371 states and 494 transitions. [2018-12-01 15:18:09,609 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 494 transitions. [2018-12-01 15:18:09,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 15:18:09,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:09,676 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 15:18:10,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:10,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 389 states and 513 transitions. [2018-12-01 15:18:10,084 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 513 transitions. [2018-12-01 15:18:10,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-01 15:18:10,085 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:10,298 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-01 15:18:11,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:11,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 403 states and 535 transitions. [2018-12-01 15:18:11,267 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 535 transitions. [2018-12-01 15:18:11,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-01 15:18:11,267 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:11,301 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-01 15:18:11,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:11,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 425 states and 557 transitions. [2018-12-01 15:18:11,762 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 557 transitions. [2018-12-01 15:18:11,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-01 15:18:11,763 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:11,845 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 15:18:12,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:12,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 470 states and 606 transitions. [2018-12-01 15:18:12,273 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 606 transitions. [2018-12-01 15:18:12,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-01 15:18:12,274 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:12,599 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:18:14,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:14,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 535 states and 673 transitions. [2018-12-01 15:18:14,709 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 673 transitions. [2018-12-01 15:18:14,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 15:18:14,709 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:14,728 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 15:18:14,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:14,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 542 states and 682 transitions. [2018-12-01 15:18:14,886 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 682 transitions. [2018-12-01 15:18:14,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-01 15:18:14,886 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:15,371 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 15:18:16,311 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-01 15:18:18,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:18,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 597 states and 742 transitions. [2018-12-01 15:18:18,844 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 742 transitions. [2018-12-01 15:18:18,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-01 15:18:18,845 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:19,260 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:18:20,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:20,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 646 states and 805 transitions. [2018-12-01 15:18:20,898 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 805 transitions. [2018-12-01 15:18:20,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-01 15:18:20,899 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:20,957 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:18:21,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:21,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 669 states and 828 transitions. [2018-12-01 15:18:21,668 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 828 transitions. [2018-12-01 15:18:21,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 15:18:21,668 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:21,699 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 15:18:21,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:21,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 670 states and 828 transitions. [2018-12-01 15:18:21,719 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 828 transitions. [2018-12-01 15:18:21,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-01 15:18:21,719 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:21,758 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:18:21,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:21,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 691 states and 849 transitions. [2018-12-01 15:18:21,980 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 849 transitions. [2018-12-01 15:18:21,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-01 15:18:21,981 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:22,162 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-01 15:18:22,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:22,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 699 states and 860 transitions. [2018-12-01 15:18:22,732 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 860 transitions. [2018-12-01 15:18:22,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-01 15:18:22,733 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:22,812 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-01 15:18:22,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:22,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 702 states and 863 transitions. [2018-12-01 15:18:22,994 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 863 transitions. [2018-12-01 15:18:22,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-01 15:18:22,994 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:23,158 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 15:18:23,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:23,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 771 states and 933 transitions. [2018-12-01 15:18:23,688 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 933 transitions. [2018-12-01 15:18:23,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-01 15:18:23,688 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:23,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:23,769 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 15:18:23,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:23,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 791 states and 954 transitions. [2018-12-01 15:18:23,875 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 954 transitions. [2018-12-01 15:18:23,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-01 15:18:23,876 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:24,158 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 15:18:24,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:24,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 795 states and 961 transitions. [2018-12-01 15:18:24,528 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 961 transitions. [2018-12-01 15:18:24,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-01 15:18:24,528 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:24,658 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 15:18:24,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:24,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 799 states and 966 transitions. [2018-12-01 15:18:24,949 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 966 transitions. [2018-12-01 15:18:24,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-01 15:18:24,950 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:25,094 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 15:18:25,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:25,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 804 states and 971 transitions. [2018-12-01 15:18:25,785 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 971 transitions. [2018-12-01 15:18:25,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-01 15:18:25,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:26,386 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:18:30,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:30,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 863 states and 1047 transitions. [2018-12-01 15:18:30,896 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1047 transitions. [2018-12-01 15:18:30,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-01 15:18:30,897 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:30,952 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:18:32,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:32,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 871 states and 1057 transitions. [2018-12-01 15:18:32,190 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1057 transitions. [2018-12-01 15:18:32,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-01 15:18:32,191 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:32,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:32,230 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-01 15:18:32,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:32,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 873 states and 1059 transitions. [2018-12-01 15:18:32,296 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1059 transitions. [2018-12-01 15:18:32,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-01 15:18:32,297 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:32,909 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:18:37,824 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2018-12-01 15:18:38,136 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2018-12-01 15:18:42,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:42,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 934 states and 1132 transitions. [2018-12-01 15:18:42,240 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1132 transitions. [2018-12-01 15:18:42,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-01 15:18:42,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:42,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:42,382 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:18:43,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:43,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 955 states and 1153 transitions. [2018-12-01 15:18:43,720 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1153 transitions. [2018-12-01 15:18:43,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-01 15:18:43,722 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:43,877 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:18:44,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:44,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 958 states and 1157 transitions. [2018-12-01 15:18:44,175 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1157 transitions. [2018-12-01 15:18:44,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-01 15:18:44,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:44,552 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 15:18:46,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:46,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 965 states and 1170 transitions. [2018-12-01 15:18:46,035 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1170 transitions. [2018-12-01 15:18:46,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-01 15:18:46,036 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:46,062 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 15:18:46,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:46,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 970 states and 1178 transitions. [2018-12-01 15:18:46,936 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1178 transitions. [2018-12-01 15:18:46,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-01 15:18:46,937 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:46,967 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-01 15:18:47,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:47,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 973 states and 1182 transitions. [2018-12-01 15:18:47,145 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1182 transitions. [2018-12-01 15:18:47,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-01 15:18:47,146 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:47,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:47,923 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:18:53,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:53,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1042 states and 1265 transitions. [2018-12-01 15:18:53,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1265 transitions. [2018-12-01 15:18:53,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-01 15:18:53,154 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:53,352 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:18:53,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:53,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1045 states and 1269 transitions. [2018-12-01 15:18:53,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1269 transitions. [2018-12-01 15:18:53,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-01 15:18:53,677 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:53,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:54,105 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-01 15:18:55,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:55,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1082 states and 1311 transitions. [2018-12-01 15:18:55,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1311 transitions. [2018-12-01 15:18:55,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-01 15:18:55,817 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:55,937 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-01 15:18:56,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:18:56,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1100 states and 1328 transitions. [2018-12-01 15:18:56,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1328 transitions. [2018-12-01 15:18:56,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-01 15:18:56,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:18:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:18:56,385 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 15:19:01,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:19:01,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1124 states and 1356 transitions. [2018-12-01 15:19:01,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1356 transitions. [2018-12-01 15:19:01,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-01 15:19:01,617 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:19:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:19:02,938 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 15:19:04,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:19:04,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1128 states and 1363 transitions. [2018-12-01 15:19:04,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1363 transitions. [2018-12-01 15:19:04,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-01 15:19:04,907 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:19:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:19:05,032 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 15:19:05,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:19:05,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1131 states and 1367 transitions. [2018-12-01 15:19:05,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1367 transitions. [2018-12-01 15:19:05,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-01 15:19:05,790 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:19:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:19:05,881 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-01 15:19:06,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:19:06,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1201 states and 1441 transitions. [2018-12-01 15:19:06,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1441 transitions. [2018-12-01 15:19:06,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-01 15:19:06,571 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:19:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:19:06,601 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-01 15:19:06,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:19:06,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1218 states and 1457 transitions. [2018-12-01 15:19:06,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1457 transitions. [2018-12-01 15:19:06,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-12-01 15:19:06,809 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:19:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:19:07,961 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-01 15:19:11,594 WARN L180 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2018-12-01 15:19:13,353 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2018-12-01 15:19:15,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:19:15,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1266 states and 1512 transitions. [2018-12-01 15:19:15,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1512 transitions. [2018-12-01 15:19:15,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-12-01 15:19:15,958 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:19:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:19:16,078 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-01 15:19:18,016 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 28 [2018-12-01 15:19:19,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:19:19,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1270 states and 1515 transitions. [2018-12-01 15:19:19,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1515 transitions. [2018-12-01 15:19:19,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-12-01 15:19:19,238 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:19:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:19:19,449 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-12-01 15:19:21,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:19:21,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1339 states and 1587 transitions. [2018-12-01 15:19:21,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1587 transitions. [2018-12-01 15:19:21,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-01 15:19:21,592 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:19:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:19:21,920 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-01 15:19:24,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:19:24,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1409 states and 1662 transitions. [2018-12-01 15:19:24,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1662 transitions. [2018-12-01 15:19:24,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-01 15:19:24,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:19:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:19:28,843 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 15:19:38,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:19:38,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 1500 states and 1774 transitions. [2018-12-01 15:19:38,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 1774 transitions. [2018-12-01 15:19:38,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-01 15:19:38,010 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:19:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:19:38,131 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 15:19:40,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:19:40,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1534 states and 1809 transitions. [2018-12-01 15:19:40,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 1809 transitions. [2018-12-01 15:19:40,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-01 15:19:40,772 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:19:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:19:41,361 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 15:19:44,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:19:44,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1552 states and 1832 transitions. [2018-12-01 15:19:44,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 1832 transitions. [2018-12-01 15:19:44,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-01 15:19:44,362 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:19:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:19:44,493 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 15:19:44,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:19:44,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1555 states and 1836 transitions. [2018-12-01 15:19:44,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 1836 transitions. [2018-12-01 15:19:44,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-01 15:19:44,927 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:19:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:19:45,309 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-01 15:19:57,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:19:57,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1970 states to 1679 states and 1970 transitions. [2018-12-01 15:19:57,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 1970 transitions. [2018-12-01 15:19:57,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-01 15:19:57,823 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:19:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:19:58,682 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2018-12-01 15:19:59,735 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2018-12-01 15:20:01,851 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2018-12-01 15:20:02,985 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-01 15:20:07,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:20:07,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 1710 states and 2005 transitions. [2018-12-01 15:20:07,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 2005 transitions. [2018-12-01 15:20:07,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-01 15:20:07,483 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:20:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:20:07,614 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-01 15:20:08,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:20:08,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 1711 states and 2004 transitions. [2018-12-01 15:20:08,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1711 states and 2004 transitions. [2018-12-01 15:20:08,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-01 15:20:08,463 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:20:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:20:09,944 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 15:20:12,377 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2018-12-01 15:20:15,136 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2018-12-01 15:20:20,741 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2018-12-01 15:20:23,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:20:23,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2035 states to 1738 states and 2035 transitions. [2018-12-01 15:20:23,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 2035 transitions. [2018-12-01 15:20:23,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-01 15:20:23,458 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:20:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:20:23,587 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 15:20:26,561 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-01 15:20:31,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:20:31,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 1766 states and 2066 transitions. [2018-12-01 15:20:31,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 2066 transitions. [2018-12-01 15:20:31,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-01 15:20:31,138 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:20:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:20:32,699 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 15:20:38,634 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-12-01 15:20:41,970 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2018-12-01 15:20:46,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:20:46,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2117 states to 1813 states and 2117 transitions. [2018-12-01 15:20:46,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2117 transitions. [2018-12-01 15:20:46,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-01 15:20:46,645 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:20:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:20:46,798 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 15:20:48,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:20:48,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 1816 states and 2121 transitions. [2018-12-01 15:20:48,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1816 states and 2121 transitions. [2018-12-01 15:20:48,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-01 15:20:48,124 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:20:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:20:48,268 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-01 15:20:49,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:20:49,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2142 states to 1838 states and 2142 transitions. [2018-12-01 15:20:49,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2142 transitions. [2018-12-01 15:20:49,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-12-01 15:20:49,888 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:20:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:20:50,467 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 402 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 15:20:52,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:20:52,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 1912 states and 2218 transitions. [2018-12-01 15:20:52,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1912 states and 2218 transitions. [2018-12-01 15:20:52,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-01 15:20:52,585 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:20:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:20:52,750 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-01 15:20:54,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:20:54,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 1914 states and 2219 transitions. [2018-12-01 15:20:54,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2219 transitions. [2018-12-01 15:20:54,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-01 15:20:54,186 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:20:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:20:55,862 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2018-12-01 15:20:56,871 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2018-12-01 15:20:58,434 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-01 15:20:59,470 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-01 15:21:01,750 WARN L180 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-01 15:21:04,344 WARN L180 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-01 15:21:05,885 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-12-01 15:21:06,497 WARN L180 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-01 15:21:07,470 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-01 15:21:07,915 WARN L180 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-01 15:21:09,128 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-12-01 15:21:10,722 WARN L180 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-01 15:21:11,906 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-12-01 15:21:12,391 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-01 15:21:16,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:21:16,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2288 states to 1975 states and 2288 transitions. [2018-12-01 15:21:16,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 2288 transitions. [2018-12-01 15:21:16,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 15:21:16,112 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:21:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:21:16,764 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 15:21:20,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:21:20,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2294 states to 1979 states and 2294 transitions. [2018-12-01 15:21:20,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 2294 transitions. [2018-12-01 15:21:20,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-01 15:21:20,100 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:21:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:21:20,416 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 15:21:20,860 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 25 [2018-12-01 15:21:21,249 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2018-12-01 15:21:24,453 WARN L180 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2018-12-01 15:21:24,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:21:24,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2297 states to 1982 states and 2297 transitions. [2018-12-01 15:21:24,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1982 states and 2297 transitions. [2018-12-01 15:21:24,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-01 15:21:24,848 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:21:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:21:25,532 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-01 15:21:26,899 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-12-01 15:21:31,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:21:31,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2310 states to 1993 states and 2310 transitions. [2018-12-01 15:21:31,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1993 states and 2310 transitions. [2018-12-01 15:21:31,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-01 15:21:31,311 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:21:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:21:31,545 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-01 15:21:33,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:21:33,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 2010 states and 2327 transitions. [2018-12-01 15:21:33,509 INFO L276 IsEmpty]: Start isEmpty. Operand 2010 states and 2327 transitions. [2018-12-01 15:21:33,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-01 15:21:33,511 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:21:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:21:35,772 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 15:21:38,806 WARN L180 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-12-01 15:21:40,013 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-01 15:21:40,441 WARN L180 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-01 15:21:41,570 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-01 15:21:42,741 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-01 15:21:43,333 WARN L180 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-12-01 15:21:47,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:21:47,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 2050 states and 2376 transitions. [2018-12-01 15:21:47,208 INFO L276 IsEmpty]: Start isEmpty. Operand 2050 states and 2376 transitions. [2018-12-01 15:21:47,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-01 15:21:47,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:21:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:21:47,385 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 15:21:48,964 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-01 15:21:49,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:21:49,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2383 states to 2058 states and 2383 transitions. [2018-12-01 15:21:49,609 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 2383 transitions. [2018-12-01 15:21:49,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-01 15:21:49,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:21:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:21:50,250 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 541 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 15:21:53,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:21:53,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2454 states to 2127 states and 2454 transitions. [2018-12-01 15:21:53,645 INFO L276 IsEmpty]: Start isEmpty. Operand 2127 states and 2454 transitions. [2018-12-01 15:21:53,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-01 15:21:53,648 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:21:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:21:54,137 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-01 15:22:01,775 WARN L180 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-01 15:22:02,999 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-12-01 15:22:04,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:22:04,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2572 states to 2238 states and 2572 transitions. [2018-12-01 15:22:04,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2238 states and 2572 transitions. [2018-12-01 15:22:04,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-01 15:22:04,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:22:04,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:22:10,445 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 15:22:15,578 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-01 15:22:18,238 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-01 15:22:21,036 WARN L180 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-01 15:22:21,968 WARN L180 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-01 15:22:23,544 WARN L180 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-12-01 15:22:24,168 WARN L180 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-12-01 15:22:25,897 WARN L180 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2018-12-01 15:22:29,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:22:29,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 2278 states and 2615 transitions. [2018-12-01 15:22:29,985 INFO L276 IsEmpty]: Start isEmpty. Operand 2278 states and 2615 transitions. [2018-12-01 15:22:29,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-01 15:22:29,986 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:22:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:22:30,174 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-01 15:22:30,393 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2018-12-01 15:22:34,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:22:34,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2642 states to 2307 states and 2642 transitions. [2018-12-01 15:22:34,603 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 2642 transitions. [2018-12-01 15:22:34,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-01 15:22:34,604 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:22:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:22:38,594 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2018-12-01 15:22:40,368 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 25 [2018-12-01 15:22:40,511 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 15:22:41,430 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-01 15:22:44,044 WARN L180 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2018-12-01 15:22:46,865 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-12-01 15:22:48,538 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-12-01 15:22:53,157 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2018-12-01 15:22:55,424 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2018-12-01 15:22:56,160 WARN L180 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2018-12-01 15:22:59,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:22:59,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2687 states to 2348 states and 2687 transitions. [2018-12-01 15:22:59,212 INFO L276 IsEmpty]: Start isEmpty. Operand 2348 states and 2687 transitions. [2018-12-01 15:22:59,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-01 15:22:59,215 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:22:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:22:59,404 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-01 15:23:00,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:23:00,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2355 states and 2692 transitions. [2018-12-01 15:23:00,979 INFO L276 IsEmpty]: Start isEmpty. Operand 2355 states and 2692 transitions. [2018-12-01 15:23:00,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-01 15:23:00,981 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:23:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:23:01,071 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 4 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2018-12-01 15:23:01,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:23:01,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2360 states and 2704 transitions. [2018-12-01 15:23:01,840 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 2704 transitions. [2018-12-01 15:23:01,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-01 15:23:01,841 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:23:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:23:01,931 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 4 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2018-12-01 15:23:04,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:23:04,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 2425 states and 2771 transitions. [2018-12-01 15:23:04,680 INFO L276 IsEmpty]: Start isEmpty. Operand 2425 states and 2771 transitions. [2018-12-01 15:23:04,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-01 15:23:04,682 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:23:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:23:04,769 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 4 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2018-12-01 15:23:05,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:23:05,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2426 states and 2774 transitions. [2018-12-01 15:23:05,328 INFO L276 IsEmpty]: Start isEmpty. Operand 2426 states and 2774 transitions. [2018-12-01 15:23:05,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-01 15:23:05,330 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:23:05,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:23:05,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-01 15:23:09,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:23:09,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2848 states to 2495 states and 2848 transitions. [2018-12-01 15:23:09,516 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 2848 transitions. [2018-12-01 15:23:09,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-01 15:23:09,519 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:23:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:23:09,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-01 15:23:12,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:23:12,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2893 states to 2540 states and 2893 transitions. [2018-12-01 15:23:12,678 INFO L276 IsEmpty]: Start isEmpty. Operand 2540 states and 2893 transitions. [2018-12-01 15:23:12,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-01 15:23:12,680 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:23:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:23:12,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-01 15:23:16,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:23:16,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2962 states to 2609 states and 2962 transitions. [2018-12-01 15:23:16,583 INFO L276 IsEmpty]: Start isEmpty. Operand 2609 states and 2962 transitions. [2018-12-01 15:23:16,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-01 15:23:16,585 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:23:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:23:16,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-01 15:23:17,070 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 36 [2018-12-01 15:23:18,643 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2018-12-01 15:23:19,133 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2018-12-01 15:23:27,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:23:27,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2991 states to 2636 states and 2991 transitions. [2018-12-01 15:23:27,407 INFO L276 IsEmpty]: Start isEmpty. Operand 2636 states and 2991 transitions. [2018-12-01 15:23:27,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-01 15:23:27,409 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:23:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:23:27,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-01 15:23:28,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:23:28,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2996 states to 2641 states and 2996 transitions. [2018-12-01 15:23:28,411 INFO L276 IsEmpty]: Start isEmpty. Operand 2641 states and 2996 transitions. [2018-12-01 15:23:28,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-01 15:23:28,413 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:23:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:23:28,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-01 15:23:31,952 WARN L180 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2018-12-01 15:23:33,732 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-12-01 15:23:42,228 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-12-01 15:23:42,769 WARN L180 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2018-12-01 15:23:45,739 WARN L180 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 40 [2018-12-01 15:23:47,307 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-01 15:23:48,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:23:48,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3042 states to 2682 states and 3042 transitions. [2018-12-01 15:23:48,962 INFO L276 IsEmpty]: Start isEmpty. Operand 2682 states and 3042 transitions. [2018-12-01 15:23:48,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-01 15:23:48,963 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:23:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:23:49,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2018-12-01 15:23:49,875 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-12-01 15:23:49,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:23:49,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2613 states to 2286 states and 2613 transitions. [2018-12-01 15:23:49,951 INFO L276 IsEmpty]: Start isEmpty. Operand 2286 states and 2613 transitions. [2018-12-01 15:23:49,952 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 15:23:49,952 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 101 iterations. [2018-12-01 15:23:49,958 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 15:23:50,093 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 40 [2018-12-01 15:23:50,225 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 40 [2018-12-01 15:23:50,371 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 41 [2018-12-01 15:23:50,484 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 40 [2018-12-01 15:23:50,652 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 42 [2018-12-01 15:23:50,872 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 40 [2018-12-01 15:23:51,071 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 29 [2018-12-01 15:23:51,239 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 41 [2018-12-01 15:23:51,392 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 41 [2018-12-01 15:23:51,792 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 40 [2018-12-01 15:23:51,954 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 38 [2018-12-01 15:23:52,179 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 38 [2018-12-01 15:23:52,331 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 41 [2018-12-01 15:23:52,620 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 41 [2018-12-01 15:23:52,907 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 41 [2018-12-01 15:23:53,015 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 40 [2018-12-01 15:23:53,173 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 39 [2018-12-01 15:23:53,328 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 40 [2018-12-01 15:23:53,531 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 40 [2018-12-01 15:23:53,643 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 39 [2018-12-01 15:23:53,774 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 39 [2018-12-01 15:23:53,970 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 40 [2018-12-01 15:23:54,148 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 40 [2018-12-01 15:23:54,254 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 39 [2018-12-01 15:23:54,429 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 39 [2018-12-01 15:23:54,592 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 40 [2018-12-01 15:23:54,810 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 38 [2018-12-01 15:23:55,016 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 40 [2018-12-01 15:23:55,183 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 40 [2018-12-01 15:23:55,408 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 40 [2018-12-01 15:23:55,597 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 40 [2018-12-01 15:23:55,748 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 40 [2018-12-01 15:23:55,977 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 41 [2018-12-01 15:23:56,171 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 29 [2018-12-01 15:23:56,364 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 40 [2018-12-01 15:23:56,596 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 41 [2018-12-01 15:23:56,772 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 40 [2018-12-01 15:23:56,929 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 41 [2018-12-01 15:23:57,498 WARN L180 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 76 [2018-12-01 15:23:57,768 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 40 [2018-12-01 15:23:57,877 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 40 [2018-12-01 15:23:58,042 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 42 [2018-12-01 15:23:58,328 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 39 [2018-12-01 15:23:58,511 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 39 [2018-12-01 15:23:58,716 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 40 [2018-12-01 15:23:58,887 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 38 [2018-12-01 15:23:58,887 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 15:23:58,889 INFO L583 CodeCheckObserver]: Invariant with dag size 29 [2018-12-01 15:23:58,894 INFO L583 CodeCheckObserver]: Invariant with dag size 29 [2018-12-01 15:23:58,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 03:23:58 ImpRootNode [2018-12-01 15:23:58,895 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 15:23:58,895 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 15:23:58,895 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 15:23:58,896 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 15:23:58,896 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:18:04" (3/4) ... [2018-12-01 15:23:58,898 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 15:23:58,910 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-01 15:23:58,911 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-01 15:23:58,912 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-01 15:23:58,913 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 15:23:58,993 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d397f35d-53d8-4816-83bb-1f61b5ed577b/bin-2019/ukojak/witness.graphml [2018-12-01 15:23:58,993 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 15:23:58,994 INFO L168 Benchmark]: Toolchain (without parser) took 356306.33 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 710.9 MB). Free memory was 950.6 MB in the beginning and 923.1 MB in the end (delta: 27.5 MB). Peak memory consumption was 738.5 MB. Max. memory is 11.5 GB. [2018-12-01 15:23:58,994 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:23:58,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -175.3 MB). Peak memory consumption was 52.6 MB. Max. memory is 11.5 GB. [2018-12-01 15:23:58,995 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.76 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-01 15:23:58,995 INFO L168 Benchmark]: Boogie Preprocessor took 41.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-01 15:23:58,995 INFO L168 Benchmark]: RCFGBuilder took 1081.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 903.2 MB in the end (delta: 212.5 MB). Peak memory consumption was 212.5 MB. Max. memory is 11.5 GB. [2018-12-01 15:23:58,995 INFO L168 Benchmark]: CodeCheck took 354719.90 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 573.0 MB). Free memory was 903.2 MB in the beginning and 940.1 MB in the end (delta: -36.9 MB). Peak memory consumption was 910.1 MB. Max. memory is 11.5 GB. [2018-12-01 15:23:58,995 INFO L168 Benchmark]: Witness Printer took 97.74 ms. Allocated memory is still 1.7 GB. Free memory was 940.1 MB in the beginning and 923.1 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-12-01 15:23:58,997 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 345.7s OverallTime, 101 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -506680872 SDtfs, 509837156 SDslu, 1037679360 SDs, 0 SdLazy, -1090374740 SolverSat, -1240924160 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 430.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 138823 GetRequests, 133455 SyntacticMatches, 3806 SemanticMatches, 1562 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1712903 ImplicationChecksByTransitivity, 318.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 42.7s InterpolantComputationTime, 21170 NumberOfCodeBlocks, 21170 NumberOfCodeBlocksAsserted, 100 NumberOfCheckSat, 21070 ConstructedInterpolants, 0 QuantifiedInterpolants, 35195472 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 100 InterpolantComputations, 72 PerfectInterpolantSequences, 32039/32610 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 503]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((!(a17 == 1) || !(a7 == 1)) || (((a16 == 4 && a8 == 13) && a12 == 8) && a20 == 1)) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a20 == 1) && a16 == 5)) || ((((!(a21 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a20 <= 0) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((!(a17 == 1) || (((a16 == 4 && a8 == 13) && a12 == 8) && a20 == 1)) || !(a7 == 1)) || ((((!(a21 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a20 <= 0)) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a20 == 1) && a16 == 5) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 305.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -175.3 MB). Peak memory consumption was 52.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.76 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1081.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 903.2 MB in the end (delta: 212.5 MB). Peak memory consumption was 212.5 MB. Max. memory is 11.5 GB. * CodeCheck took 354719.90 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 573.0 MB). Free memory was 903.2 MB in the beginning and 940.1 MB in the end (delta: -36.9 MB). Peak memory consumption was 910.1 MB. Max. memory is 11.5 GB. * Witness Printer took 97.74 ms. Allocated memory is still 1.7 GB. Free memory was 940.1 MB in the beginning and 923.1 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...