./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label03_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_214d9f6b-084d-45a9-920e-7cc91cf00670/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_214d9f6b-084d-45a9-920e-7cc91cf00670/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_214d9f6b-084d-45a9-920e-7cc91cf00670/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_214d9f6b-084d-45a9-920e-7cc91cf00670/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label03_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_214d9f6b-084d-45a9-920e-7cc91cf00670/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_214d9f6b-084d-45a9-920e-7cc91cf00670/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 a91f469417fecfcde25fa5a52b02f071d3462166 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 13:40:47,834 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 13:40:47,835 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 13:40:47,841 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 13:40:47,841 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 13:40:47,842 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 13:40:47,842 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 13:40:47,843 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 13:40:47,844 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 13:40:47,844 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 13:40:47,845 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 13:40:47,845 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 13:40:47,845 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 13:40:47,846 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 13:40:47,846 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 13:40:47,846 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 13:40:47,847 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 13:40:47,848 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 13:40:47,849 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 13:40:47,849 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 13:40:47,850 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 13:40:47,850 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 13:40:47,851 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 13:40:47,851 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 13:40:47,851 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 13:40:47,852 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 13:40:47,852 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 13:40:47,853 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 13:40:47,853 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 13:40:47,854 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 13:40:47,854 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 13:40:47,854 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 13:40:47,854 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 13:40:47,854 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 13:40:47,855 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 13:40:47,855 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 13:40:47,855 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_214d9f6b-084d-45a9-920e-7cc91cf00670/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 13:40:47,862 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 13:40:47,862 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 13:40:47,862 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 13:40:47,863 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 13:40:47,863 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 13:40:47,863 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 13:40:47,863 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 13:40:47,863 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 13:40:47,863 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 13:40:47,863 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 13:40:47,864 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 13:40:47,864 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 13:40:47,864 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 13:40:47,864 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 13:40:47,864 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 13:40:47,864 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 13:40:47,864 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 13:40:47,864 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 13:40:47,864 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 13:40:47,864 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 13:40:47,864 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 13:40:47,865 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 13:40:47,865 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 13:40:47,865 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 13:40:47,865 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 13:40:47,865 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 13:40:47,865 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 13:40:47,865 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 13:40:47,865 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 13:40:47,865 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_214d9f6b-084d-45a9-920e-7cc91cf00670/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 -> a91f469417fecfcde25fa5a52b02f071d3462166 [2018-12-08 13:40:47,882 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 13:40:47,888 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 13:40:47,890 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 13:40:47,891 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 13:40:47,891 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 13:40:47,891 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_214d9f6b-084d-45a9-920e-7cc91cf00670/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label03_true-unreach-call_false-termination.c [2018-12-08 13:40:47,928 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_214d9f6b-084d-45a9-920e-7cc91cf00670/bin-2019/ukojak/data/7baf4b004/482bce31b63241a4a4c14f59967e560c/FLAG8421b78f5 [2018-12-08 13:40:48,347 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 13:40:48,347 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_214d9f6b-084d-45a9-920e-7cc91cf00670/sv-benchmarks/c/eca-rers2012/Problem01_label03_true-unreach-call_false-termination.c [2018-12-08 13:40:48,355 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_214d9f6b-084d-45a9-920e-7cc91cf00670/bin-2019/ukojak/data/7baf4b004/482bce31b63241a4a4c14f59967e560c/FLAG8421b78f5 [2018-12-08 13:40:48,364 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_214d9f6b-084d-45a9-920e-7cc91cf00670/bin-2019/ukojak/data/7baf4b004/482bce31b63241a4a4c14f59967e560c [2018-12-08 13:40:48,366 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 13:40:48,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 13:40:48,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 13:40:48,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 13:40:48,369 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 13:40:48,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:40:48" (1/1) ... [2018-12-08 13:40:48,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2caf47c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:40:48, skipping insertion in model container [2018-12-08 13:40:48,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:40:48" (1/1) ... [2018-12-08 13:40:48,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 13:40:48,398 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 13:40:48,567 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:40:48,570 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 13:40:48,656 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:40:48,665 INFO L195 MainTranslator]: Completed translation [2018-12-08 13:40:48,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:40:48 WrapperNode [2018-12-08 13:40:48,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 13:40:48,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 13:40:48,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 13:40:48,666 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 13:40:48,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:40:48" (1/1) ... [2018-12-08 13:40:48,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:40:48" (1/1) ... [2018-12-08 13:40:48,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 13:40:48,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 13:40:48,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 13:40:48,707 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 13:40:48,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:40:48" (1/1) ... [2018-12-08 13:40:48,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:40:48" (1/1) ... [2018-12-08 13:40:48,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:40:48" (1/1) ... [2018-12-08 13:40:48,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:40:48" (1/1) ... [2018-12-08 13:40:48,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:40:48" (1/1) ... [2018-12-08 13:40:48,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:40:48" (1/1) ... [2018-12-08 13:40:48,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:40:48" (1/1) ... [2018-12-08 13:40:48,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 13:40:48,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 13:40:48,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 13:40:48,736 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 13:40:48,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:40:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_214d9f6b-084d-45a9-920e-7cc91cf00670/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 [2018-12-08 13:40:48,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 13:40:48,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 13:40:49,731 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 13:40:49,731 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 13:40:49,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:40:49 BoogieIcfgContainer [2018-12-08 13:40:49,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 13:40:49,732 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 13:40:49,732 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 13:40:49,738 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 13:40:49,739 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:40:49" (1/1) ... [2018-12-08 13:40:49,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:40:49,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:40:49,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-08 13:40:49,770 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-08 13:40:49,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-08 13:40:49,773 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:40:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:49,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:40:50,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:40:50,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 145 states and 221 transitions. [2018-12-08 13:40:50,261 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 221 transitions. [2018-12-08 13:40:50,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-08 13:40:50,262 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:40:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:50,331 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:40:50,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:40:50,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 149 states and 226 transitions. [2018-12-08 13:40:50,433 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 226 transitions. [2018-12-08 13:40:50,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-08 13:40:50,434 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:40:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:50,470 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:40:50,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:40:50,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 154 states and 236 transitions. [2018-12-08 13:40:50,547 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 236 transitions. [2018-12-08 13:40:50,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-08 13:40:50,548 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:40:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:50,623 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:40:50,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:40:50,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 224 states and 321 transitions. [2018-12-08 13:40:50,899 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 321 transitions. [2018-12-08 13:40:50,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-08 13:40:50,901 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:40:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:50,996 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:40:51,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:40:51,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 234 states and 337 transitions. [2018-12-08 13:40:51,268 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 337 transitions. [2018-12-08 13:40:51,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-08 13:40:51,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:40:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:51,311 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 13:40:51,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:40:51,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 245 states and 355 transitions. [2018-12-08 13:40:51,736 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 355 transitions. [2018-12-08 13:40:51,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-08 13:40:51,736 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:40:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:51,753 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 13:40:51,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:40:51,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 247 states and 358 transitions. [2018-12-08 13:40:51,857 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 358 transitions. [2018-12-08 13:40:51,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-08 13:40:51,857 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:40:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:51,872 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 13:40:51,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:40:51,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 250 states and 361 transitions. [2018-12-08 13:40:51,950 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 361 transitions. [2018-12-08 13:40:51,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-08 13:40:51,951 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:40:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:51,969 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 13:40:52,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:40:52,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 253 states and 364 transitions. [2018-12-08 13:40:52,069 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 364 transitions. [2018-12-08 13:40:52,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 13:40:52,070 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:40:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:52,085 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 13:40:52,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:40:52,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 264 states and 377 transitions. [2018-12-08 13:40:52,202 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 377 transitions. [2018-12-08 13:40:52,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 13:40:52,203 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:40:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:52,228 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 13:40:52,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:40:52,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 270 states and 386 transitions. [2018-12-08 13:40:52,522 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 386 transitions. [2018-12-08 13:40:52,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 13:40:52,523 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:40:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:52,544 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 13:40:52,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:40:52,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 273 states and 391 transitions. [2018-12-08 13:40:52,640 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 391 transitions. [2018-12-08 13:40:52,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 13:40:52,641 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:40:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:52,665 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 13:40:52,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:40:52,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 275 states and 393 transitions. [2018-12-08 13:40:52,684 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 393 transitions. [2018-12-08 13:40:52,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 13:40:52,684 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:40:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:52,742 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 13:40:52,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:40:52,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 283 states and 402 transitions. [2018-12-08 13:40:52,884 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 402 transitions. [2018-12-08 13:40:52,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 13:40:52,885 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:40:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:52,984 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 13:40:53,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:40:53,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 288 states and 409 transitions. [2018-12-08 13:40:53,344 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 409 transitions. [2018-12-08 13:40:53,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-08 13:40:53,345 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:40:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:53,408 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 13:40:53,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:40:53,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 301 states and 431 transitions. [2018-12-08 13:40:53,879 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 431 transitions. [2018-12-08 13:40:53,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-08 13:40:53,881 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:40:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:53,900 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 13:40:54,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:40:54,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 304 states and 434 transitions. [2018-12-08 13:40:54,009 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 434 transitions. [2018-12-08 13:40:54,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-08 13:40:54,009 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:40:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:54,032 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 13:40:54,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:40:54,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 309 states and 439 transitions. [2018-12-08 13:40:54,255 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 439 transitions. [2018-12-08 13:40:54,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-08 13:40:54,255 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:40:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:54,271 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:40:54,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:40:54,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 328 states and 461 transitions. [2018-12-08 13:40:54,628 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 461 transitions. [2018-12-08 13:40:54,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-08 13:40:54,628 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:40:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:54,647 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 13:40:54,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:40:54,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 345 states and 481 transitions. [2018-12-08 13:40:54,836 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 481 transitions. [2018-12-08 13:40:54,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-08 13:40:54,836 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:40:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:54,853 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 13:40:54,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:40:54,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 347 states and 482 transitions. [2018-12-08 13:40:54,945 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 482 transitions. [2018-12-08 13:40:54,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 13:40:54,945 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:40:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:55,053 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:40:55,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:40:55,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 377 states and 516 transitions. [2018-12-08 13:40:55,523 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 516 transitions. [2018-12-08 13:40:55,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-08 13:40:55,524 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:40:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:55,580 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 13:40:55,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:40:55,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 393 states and 532 transitions. [2018-12-08 13:40:55,924 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 532 transitions. [2018-12-08 13:40:55,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-08 13:40:55,924 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:40:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:56,190 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 13:40:57,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:40:57,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 415 states and 560 transitions. [2018-12-08 13:40:57,185 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 560 transitions. [2018-12-08 13:40:57,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-08 13:40:57,185 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:40:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:57,253 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 13:40:57,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:40:57,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 420 states and 564 transitions. [2018-12-08 13:40:57,597 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 564 transitions. [2018-12-08 13:40:57,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-08 13:40:57,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:40:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:57,612 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 13:40:58,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:40:58,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 428 states and 575 transitions. [2018-12-08 13:40:58,126 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 575 transitions. [2018-12-08 13:40:58,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-08 13:40:58,126 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:40:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:58,148 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 13:40:58,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:40:58,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 429 states and 576 transitions. [2018-12-08 13:40:58,328 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 576 transitions. [2018-12-08 13:40:58,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-08 13:40:58,328 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:40:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:58,530 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 13:40:59,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:40:59,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 438 states and 591 transitions. [2018-12-08 13:40:59,746 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 591 transitions. [2018-12-08 13:40:59,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-08 13:40:59,746 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:40:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:40:59,769 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 13:41:00,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:00,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 441 states and 596 transitions. [2018-12-08 13:41:00,453 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 596 transitions. [2018-12-08 13:41:00,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-08 13:41:00,454 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:00,538 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 13:41:00,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:00,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 457 states and 615 transitions. [2018-12-08 13:41:00,793 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 615 transitions. [2018-12-08 13:41:00,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-08 13:41:00,793 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:00,810 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 13:41:00,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:00,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 468 states and 627 transitions. [2018-12-08 13:41:00,851 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 627 transitions. [2018-12-08 13:41:00,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-08 13:41:00,851 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:01,048 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 13:41:02,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:02,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 510 states and 676 transitions. [2018-12-08 13:41:02,390 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 676 transitions. [2018-12-08 13:41:02,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-08 13:41:02,390 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:02,459 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 13:41:02,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:02,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 517 states and 682 transitions. [2018-12-08 13:41:02,820 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 682 transitions. [2018-12-08 13:41:02,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-08 13:41:02,821 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:02,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:03,131 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 89 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:41:04,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:04,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 543 states and 717 transitions. [2018-12-08 13:41:04,459 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 717 transitions. [2018-12-08 13:41:04,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-08 13:41:04,460 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:04,501 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 89 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:41:05,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:05,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 550 states and 726 transitions. [2018-12-08 13:41:05,049 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 726 transitions. [2018-12-08 13:41:05,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-08 13:41:05,050 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:05,085 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 89 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:41:05,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:05,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 553 states and 730 transitions. [2018-12-08 13:41:05,297 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 730 transitions. [2018-12-08 13:41:05,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-08 13:41:05,297 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:05,314 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 13:41:05,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:05,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 578 states and 760 transitions. [2018-12-08 13:41:05,797 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 760 transitions. [2018-12-08 13:41:05,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-08 13:41:05,797 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:05,831 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 13:41:05,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:05,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 585 states and 767 transitions. [2018-12-08 13:41:05,858 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 767 transitions. [2018-12-08 13:41:05,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-08 13:41:05,859 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:05,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:06,764 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:41:10,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:10,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 619 states and 815 transitions. [2018-12-08 13:41:10,493 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 815 transitions. [2018-12-08 13:41:10,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-08 13:41:10,493 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:10,540 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:41:11,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:11,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 624 states and 820 transitions. [2018-12-08 13:41:11,023 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 820 transitions. [2018-12-08 13:41:11,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-08 13:41:11,023 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:11,050 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-08 13:41:11,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:11,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 640 states and 835 transitions. [2018-12-08 13:41:11,101 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 835 transitions. [2018-12-08 13:41:11,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-08 13:41:11,101 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:11,119 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-08 13:41:11,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:11,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 643 states and 838 transitions. [2018-12-08 13:41:11,355 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 838 transitions. [2018-12-08 13:41:11,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-08 13:41:11,356 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:11,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:11,700 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:41:13,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:13,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 708 states and 905 transitions. [2018-12-08 13:41:13,463 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 905 transitions. [2018-12-08 13:41:13,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-08 13:41:13,464 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:14,128 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 13:41:18,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:18,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 763 states and 965 transitions. [2018-12-08 13:41:18,404 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 965 transitions. [2018-12-08 13:41:18,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-08 13:41:18,405 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:18,889 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:41:21,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:21,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 831 states and 1047 transitions. [2018-12-08 13:41:21,129 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1047 transitions. [2018-12-08 13:41:21,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-08 13:41:21,129 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:21,187 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:41:21,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:21,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 835 states and 1051 transitions. [2018-12-08 13:41:21,587 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1051 transitions. [2018-12-08 13:41:21,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-08 13:41:21,588 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:21,623 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 13:41:21,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:21,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 836 states and 1051 transitions. [2018-12-08 13:41:21,648 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1051 transitions. [2018-12-08 13:41:21,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 13:41:21,648 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:21,679 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:41:21,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:21,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 875 states and 1090 transitions. [2018-12-08 13:41:21,784 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1090 transitions. [2018-12-08 13:41:21,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-08 13:41:21,785 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:22,205 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 97 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 13:41:22,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:22,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 883 states and 1102 transitions. [2018-12-08 13:41:22,923 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1102 transitions. [2018-12-08 13:41:22,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-08 13:41:22,924 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:23,122 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 97 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 13:41:23,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:23,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 888 states and 1107 transitions. [2018-12-08 13:41:23,588 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1107 transitions. [2018-12-08 13:41:23,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-08 13:41:23,589 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:23,793 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 13:41:24,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:24,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 957 states and 1177 transitions. [2018-12-08 13:41:24,618 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1177 transitions. [2018-12-08 13:41:24,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 13:41:24,620 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:24,710 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 13:41:26,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:26,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 975 states and 1202 transitions. [2018-12-08 13:41:26,045 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1202 transitions. [2018-12-08 13:41:26,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 13:41:26,046 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:26,138 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 13:41:26,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:26,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 977 states and 1204 transitions. [2018-12-08 13:41:26,835 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1204 transitions. [2018-12-08 13:41:26,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 13:41:26,836 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:26,932 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 13:41:27,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:27,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 979 states and 1205 transitions. [2018-12-08 13:41:27,425 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1205 transitions. [2018-12-08 13:41:27,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 13:41:27,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:27,627 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 13:41:27,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:27,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 981 states and 1207 transitions. [2018-12-08 13:41:27,903 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1207 transitions. [2018-12-08 13:41:27,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 13:41:27,903 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:27,950 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 13:41:28,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:28,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 983 states and 1209 transitions. [2018-12-08 13:41:28,013 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1209 transitions. [2018-12-08 13:41:28,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-08 13:41:28,014 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:28,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:28,045 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 13:41:28,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:28,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 985 states and 1211 transitions. [2018-12-08 13:41:28,468 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1211 transitions. [2018-12-08 13:41:28,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-08 13:41:28,469 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:28,511 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 13:41:28,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:28,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 987 states and 1212 transitions. [2018-12-08 13:41:28,820 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1212 transitions. [2018-12-08 13:41:28,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-08 13:41:28,821 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:28,850 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-08 13:41:29,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:29,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 990 states and 1216 transitions. [2018-12-08 13:41:29,019 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 1216 transitions. [2018-12-08 13:41:29,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-08 13:41:29,020 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:29,645 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:41:33,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:33,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1016 states and 1246 transitions. [2018-12-08 13:41:33,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1246 transitions. [2018-12-08 13:41:33,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-08 13:41:33,003 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:33,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:33,058 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:41:33,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:33,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1019 states and 1250 transitions. [2018-12-08 13:41:33,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1250 transitions. [2018-12-08 13:41:33,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-08 13:41:33,486 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:33,536 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 13:41:37,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:37,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1057 states and 1299 transitions. [2018-12-08 13:41:37,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1299 transitions. [2018-12-08 13:41:37,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-08 13:41:37,536 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:37,586 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 13:41:38,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:38,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1090 states and 1333 transitions. [2018-12-08 13:41:38,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1333 transitions. [2018-12-08 13:41:38,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-08 13:41:38,492 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:38,948 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:41:43,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:43,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1148 states and 1400 transitions. [2018-12-08 13:41:43,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1400 transitions. [2018-12-08 13:41:43,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-08 13:41:43,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:43,968 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:41:47,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:47,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1181 states and 1433 transitions. [2018-12-08 13:41:47,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1433 transitions. [2018-12-08 13:41:47,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-08 13:41:47,353 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:47,515 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:41:49,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:49,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1205 states and 1460 transitions. [2018-12-08 13:41:49,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1460 transitions. [2018-12-08 13:41:49,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-08 13:41:49,267 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:50,663 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 186 proven. 8 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 13:41:51,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:51,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1206 states and 1461 transitions. [2018-12-08 13:41:51,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1461 transitions. [2018-12-08 13:41:51,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-08 13:41:51,683 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:51,752 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 186 proven. 8 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 13:41:51,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:51,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1208 states and 1464 transitions. [2018-12-08 13:41:51,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1464 transitions. [2018-12-08 13:41:51,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-08 13:41:51,807 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:51,871 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 186 proven. 8 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 13:41:52,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:52,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1225 states and 1482 transitions. [2018-12-08 13:41:52,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1482 transitions. [2018-12-08 13:41:52,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-08 13:41:52,501 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:52,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:52,565 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 186 proven. 8 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 13:41:52,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:41:52,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1227 states and 1483 transitions. [2018-12-08 13:41:52,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1483 transitions. [2018-12-08 13:41:52,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 13:41:52,913 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:41:52,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:41:53,855 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:42:00,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:42:00,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1294 states and 1570 transitions. [2018-12-08 13:42:00,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1570 transitions. [2018-12-08 13:42:00,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 13:42:00,115 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:42:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:42:00,334 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:42:01,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:42:01,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1325 states and 1608 transitions. [2018-12-08 13:42:01,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1608 transitions. [2018-12-08 13:42:01,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 13:42:01,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:42:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:42:01,941 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:42:03,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:42:03,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1358 states and 1642 transitions. [2018-12-08 13:42:03,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 1642 transitions. [2018-12-08 13:42:03,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 13:42:03,450 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:42:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:42:03,660 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:42:04,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:42:04,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1359 states and 1643 transitions. [2018-12-08 13:42:04,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1643 transitions. [2018-12-08 13:42:04,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 13:42:04,066 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:42:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:42:06,110 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 13:42:10,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:42:10,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1407 states and 1698 transitions. [2018-12-08 13:42:10,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 1698 transitions. [2018-12-08 13:42:10,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 13:42:10,342 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:42:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:42:10,463 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 13:42:11,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:42:11,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1409 states and 1698 transitions. [2018-12-08 13:42:11,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1698 transitions. [2018-12-08 13:42:11,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-08 13:42:11,268 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:42:11,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:42:11,429 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-08 13:42:12,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:42:12,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 1479 states and 1774 transitions. [2018-12-08 13:42:12,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 1774 transitions. [2018-12-08 13:42:12,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-08 13:42:12,348 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:42:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:42:13,217 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 13:42:15,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:42:15,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 1483 states and 1781 transitions. [2018-12-08 13:42:15,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 1781 transitions. [2018-12-08 13:42:15,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-08 13:42:15,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:42:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:42:15,490 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 13:42:16,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:42:16,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1785 states to 1486 states and 1785 transitions. [2018-12-08 13:42:16,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 1785 transitions. [2018-12-08 13:42:16,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-08 13:42:16,305 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:42:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:42:16,555 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-08 13:42:17,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:42:17,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1860 states to 1556 states and 1860 transitions. [2018-12-08 13:42:17,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 1860 transitions. [2018-12-08 13:42:17,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-08 13:42:17,547 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:42:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:42:18,008 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-08 13:42:21,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:42:21,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 1626 states and 1936 transitions. [2018-12-08 13:42:21,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 1936 transitions. [2018-12-08 13:42:21,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-08 13:42:21,021 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:42:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:42:21,094 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-12-08 13:42:22,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:42:22,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2010 states to 1695 states and 2010 transitions. [2018-12-08 13:42:22,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 2010 transitions. [2018-12-08 13:42:22,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-08 13:42:22,301 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:42:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:42:24,628 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 13:42:43,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:42:43,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 1810 states and 2154 transitions. [2018-12-08 13:42:43,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 2154 transitions. [2018-12-08 13:42:43,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 13:42:43,013 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:42:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:42:43,545 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 13:42:45,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:42:45,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2164 states to 1816 states and 2164 transitions. [2018-12-08 13:42:45,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1816 states and 2164 transitions. [2018-12-08 13:42:45,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 13:42:45,433 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:42:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:42:45,698 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 13:42:46,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:42:46,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 1824 states and 2174 transitions. [2018-12-08 13:42:46,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1824 states and 2174 transitions. [2018-12-08 13:42:46,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 13:42:46,850 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:42:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:42:47,114 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 13:42:47,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:42:47,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 1839 states and 2189 transitions. [2018-12-08 13:42:47,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2189 transitions. [2018-12-08 13:42:47,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 13:42:47,917 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:42:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:42:48,161 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 13:42:48,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:42:48,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2190 states to 1841 states and 2190 transitions. [2018-12-08 13:42:48,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2190 transitions. [2018-12-08 13:42:48,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 13:42:48,568 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:42:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:42:48,820 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 13:42:49,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:42:49,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 1843 states and 2191 transitions. [2018-12-08 13:42:49,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2191 transitions. [2018-12-08 13:42:49,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-08 13:42:49,270 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:42:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:42:49,684 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 189 proven. 11 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2018-12-08 13:42:50,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:42:50,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2194 states to 1845 states and 2194 transitions. [2018-12-08 13:42:50,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1845 states and 2194 transitions. [2018-12-08 13:42:50,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-08 13:42:50,541 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:42:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:42:51,177 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-08 13:43:06,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:43:06,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2338 states to 1969 states and 2338 transitions. [2018-12-08 13:43:06,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2338 transitions. [2018-12-08 13:43:06,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-08 13:43:06,471 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:43:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:43:10,863 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-08 13:43:15,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:43:15,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2384 states to 2012 states and 2384 transitions. [2018-12-08 13:43:15,910 INFO L276 IsEmpty]: Start isEmpty. Operand 2012 states and 2384 transitions. [2018-12-08 13:43:15,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-08 13:43:15,911 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:43:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:43:16,223 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-08 13:43:16,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:43:16,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2383 states to 2012 states and 2383 transitions. [2018-12-08 13:43:16,857 INFO L276 IsEmpty]: Start isEmpty. Operand 2012 states and 2383 transitions. [2018-12-08 13:43:16,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-08 13:43:16,858 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:43:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:43:18,511 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 13:43:28,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:43:28,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 2060 states and 2433 transitions. [2018-12-08 13:43:28,498 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states and 2433 transitions. [2018-12-08 13:43:28,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-08 13:43:28,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:43:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:43:32,101 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 13:43:44,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:43:44,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2107 states and 2486 transitions. [2018-12-08 13:43:44,525 INFO L276 IsEmpty]: Start isEmpty. Operand 2107 states and 2486 transitions. [2018-12-08 13:43:44,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-08 13:43:44,527 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:43:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:43:44,679 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 13:43:48,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:43:48,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 2116 states and 2495 transitions. [2018-12-08 13:43:48,715 INFO L276 IsEmpty]: Start isEmpty. Operand 2116 states and 2495 transitions. [2018-12-08 13:43:48,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-08 13:43:48,716 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:43:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:43:48,855 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 13:43:49,113 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-08 13:43:51,928 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-08 13:43:52,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:43:52,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2503 states to 2125 states and 2503 transitions. [2018-12-08 13:43:52,785 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2503 transitions. [2018-12-08 13:43:52,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-08 13:43:52,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:43:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:43:52,926 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 13:43:53,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:43:53,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2130 states and 2507 transitions. [2018-12-08 13:43:53,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 2507 transitions. [2018-12-08 13:43:53,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-08 13:43:53,770 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:43:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:43:53,907 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 13:43:56,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:43:56,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2525 states to 2149 states and 2525 transitions. [2018-12-08 13:43:56,459 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 2525 transitions. [2018-12-08 13:43:56,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-12-08 13:43:56,461 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:43:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:43:57,066 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 402 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 13:44:00,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:44:00,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2607 states to 2226 states and 2607 transitions. [2018-12-08 13:44:00,482 INFO L276 IsEmpty]: Start isEmpty. Operand 2226 states and 2607 transitions. [2018-12-08 13:44:00,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-08 13:44:00,484 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:44:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:44:00,682 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-08 13:44:01,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:44:01,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2608 states to 2228 states and 2608 transitions. [2018-12-08 13:44:01,450 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 2608 transitions. [2018-12-08 13:44:01,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-08 13:44:01,452 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:44:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:44:04,720 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-08 13:44:11,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:44:11,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 2284 states and 2667 transitions. [2018-12-08 13:44:11,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2284 states and 2667 transitions. [2018-12-08 13:44:11,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-08 13:44:11,839 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:44:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:44:12,019 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-08 13:44:12,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:44:12,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2292 states and 2674 transitions. [2018-12-08 13:44:12,370 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 2674 transitions. [2018-12-08 13:44:12,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-08 13:44:12,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:44:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:44:13,147 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 13:44:15,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:44:15,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2680 states to 2296 states and 2680 transitions. [2018-12-08 13:44:15,904 INFO L276 IsEmpty]: Start isEmpty. Operand 2296 states and 2680 transitions. [2018-12-08 13:44:15,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-08 13:44:15,905 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:44:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:44:16,287 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 13:44:16,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:44:16,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2683 states to 2299 states and 2683 transitions. [2018-12-08 13:44:16,969 INFO L276 IsEmpty]: Start isEmpty. Operand 2299 states and 2683 transitions. [2018-12-08 13:44:16,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-08 13:44:16,971 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:44:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:44:17,715 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 13:44:22,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:44:22,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2319 states and 2704 transitions. [2018-12-08 13:44:22,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2319 states and 2704 transitions. [2018-12-08 13:44:22,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-08 13:44:22,594 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:44:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:44:22,828 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 13:44:25,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:44:25,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2723 states to 2338 states and 2723 transitions. [2018-12-08 13:44:25,840 INFO L276 IsEmpty]: Start isEmpty. Operand 2338 states and 2723 transitions. [2018-12-08 13:44:25,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-08 13:44:25,841 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:44:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:44:26,093 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 13:44:26,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:44:26,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2724 states to 2340 states and 2724 transitions. [2018-12-08 13:44:26,702 INFO L276 IsEmpty]: Start isEmpty. Operand 2340 states and 2724 transitions. [2018-12-08 13:44:26,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-08 13:44:26,703 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:44:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:44:29,157 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-08 13:44:33,526 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2018-12-08 13:44:34,523 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2018-12-08 13:44:37,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:44:37,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2388 states and 2774 transitions. [2018-12-08 13:44:37,857 INFO L276 IsEmpty]: Start isEmpty. Operand 2388 states and 2774 transitions. [2018-12-08 13:44:37,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-08 13:44:37,858 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:44:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:44:38,789 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 541 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-08 13:44:41,669 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-12-08 13:44:45,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:44:45,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2838 states to 2449 states and 2838 transitions. [2018-12-08 13:44:45,492 INFO L276 IsEmpty]: Start isEmpty. Operand 2449 states and 2838 transitions. [2018-12-08 13:44:45,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-08 13:44:45,493 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:44:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:44:45,635 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 541 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-08 13:44:45,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:44:45,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2845 states to 2457 states and 2845 transitions. [2018-12-08 13:44:45,761 INFO L276 IsEmpty]: Start isEmpty. Operand 2457 states and 2845 transitions. [2018-12-08 13:44:45,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-08 13:44:45,762 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:44:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:44:46,383 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-08 13:44:52,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:44:52,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2896 states to 2502 states and 2896 transitions. [2018-12-08 13:44:52,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2502 states and 2896 transitions. [2018-12-08 13:44:52,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-08 13:44:52,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:44:52,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:44:53,056 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-08 13:44:53,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:44:53,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2962 states to 2567 states and 2962 transitions. [2018-12-08 13:44:53,554 INFO L276 IsEmpty]: Start isEmpty. Operand 2567 states and 2962 transitions. [2018-12-08 13:44:53,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-08 13:44:53,555 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:44:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:44:55,930 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 13:44:57,825 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2018-12-08 13:44:58,811 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2018-12-08 13:44:59,898 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2018-12-08 13:45:01,664 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2018-12-08 13:45:03,903 WARN L180 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2018-12-08 13:45:04,950 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2018-12-08 13:45:06,402 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2018-12-08 13:45:07,828 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2018-12-08 13:45:10,011 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2018-12-08 13:45:12,027 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2018-12-08 13:45:13,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:45:13,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3008 states to 2610 states and 3008 transitions. [2018-12-08 13:45:13,336 INFO L276 IsEmpty]: Start isEmpty. Operand 2610 states and 3008 transitions. [2018-12-08 13:45:13,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-08 13:45:13,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:45:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:45:13,559 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 13:45:15,185 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-08 13:45:16,531 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-08 13:45:17,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:45:17,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3032 states to 2636 states and 3032 transitions. [2018-12-08 13:45:17,652 INFO L276 IsEmpty]: Start isEmpty. Operand 2636 states and 3032 transitions. [2018-12-08 13:45:17,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-08 13:45:17,654 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:45:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:45:20,135 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-08 13:45:24,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:45:24,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3038 states to 2640 states and 3038 transitions. [2018-12-08 13:45:24,632 INFO L276 IsEmpty]: Start isEmpty. Operand 2640 states and 3038 transitions. [2018-12-08 13:45:24,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-08 13:45:24,633 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:45:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:45:24,806 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-08 13:45:31,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:45:31,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3089 states to 2688 states and 3089 transitions. [2018-12-08 13:45:31,198 INFO L276 IsEmpty]: Start isEmpty. Operand 2688 states and 3089 transitions. [2018-12-08 13:45:31,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-08 13:45:31,200 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:45:31,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:45:32,473 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 291 proven. 319 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2018-12-08 13:45:38,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:45:38,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3165 states to 2758 states and 3165 transitions. [2018-12-08 13:45:38,597 INFO L276 IsEmpty]: Start isEmpty. Operand 2758 states and 3165 transitions. [2018-12-08 13:45:38,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-08 13:45:38,599 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:45:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:45:38,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-08 13:45:50,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:45:50,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3242 states to 2827 states and 3242 transitions. [2018-12-08 13:45:50,885 INFO L276 IsEmpty]: Start isEmpty. Operand 2827 states and 3242 transitions. [2018-12-08 13:45:50,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-08 13:45:50,887 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:45:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:45:51,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-08 13:45:51,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:45:51,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3248 states to 2831 states and 3248 transitions. [2018-12-08 13:45:51,755 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 3248 transitions. [2018-12-08 13:45:51,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-08 13:45:51,757 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:45:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:45:51,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-08 13:45:53,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:45:53,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 2896 states and 3312 transitions. [2018-12-08 13:45:53,274 INFO L276 IsEmpty]: Start isEmpty. Operand 2896 states and 3312 transitions. [2018-12-08 13:45:53,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-08 13:45:53,276 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:45:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:45:53,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-08 13:45:54,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:45:54,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3317 states to 2900 states and 3317 transitions. [2018-12-08 13:45:54,662 INFO L276 IsEmpty]: Start isEmpty. Operand 2900 states and 3317 transitions. [2018-12-08 13:45:54,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-08 13:45:54,664 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:45:54,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:45:54,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-08 13:45:55,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:45:55,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3069 states to 2682 states and 3069 transitions. [2018-12-08 13:45:55,822 INFO L276 IsEmpty]: Start isEmpty. Operand 2682 states and 3069 transitions. [2018-12-08 13:45:55,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 13:45:55,823 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 123 iterations. [2018-12-08 13:45:55,829 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 13:45:56,061 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 52 [2018-12-08 13:45:56,269 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 47 [2018-12-08 13:45:56,464 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 43 [2018-12-08 13:45:56,670 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 47 [2018-12-08 13:45:56,846 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 43 [2018-12-08 13:45:57,193 WARN L180 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 55 [2018-12-08 13:45:57,417 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 33 [2018-12-08 13:45:57,597 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 43 [2018-12-08 13:45:57,787 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 43 [2018-12-08 13:45:58,107 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 33 [2018-12-08 13:45:58,336 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 53 [2018-12-08 13:45:58,513 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 43 [2018-12-08 13:45:58,628 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 35 [2018-12-08 13:45:58,816 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 43 [2018-12-08 13:45:59,001 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 43 [2018-12-08 13:45:59,110 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 35 [2018-12-08 13:45:59,444 WARN L180 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 53 [2018-12-08 13:45:59,644 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 35 [2018-12-08 13:45:59,836 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 43 [2018-12-08 13:46:00,048 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 45 [2018-12-08 13:46:00,218 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 41 [2018-12-08 13:46:00,464 WARN L180 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 53 [2018-12-08 13:46:00,774 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 47 [2018-12-08 13:46:01,003 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 45 [2018-12-08 13:46:01,195 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 45 [2018-12-08 13:46:01,450 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 39 [2018-12-08 13:46:01,770 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 45 [2018-12-08 13:46:01,979 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 45 [2018-12-08 13:46:02,305 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 45 [2018-12-08 13:46:02,549 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 54 [2018-12-08 13:46:02,801 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 43 [2018-12-08 13:46:03,072 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 45 [2018-12-08 13:46:03,310 WARN L180 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 54 [2018-12-08 13:46:03,627 WARN L180 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 53 [2018-12-08 13:46:03,896 WARN L180 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 53 [2018-12-08 13:46:04,028 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 35 [2018-12-08 13:46:04,359 WARN L180 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 53 [2018-12-08 13:46:04,578 WARN L180 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 33 [2018-12-08 13:46:04,871 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 47 [2018-12-08 13:46:04,984 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 35 [2018-12-08 13:46:05,236 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 53 [2018-12-08 13:46:05,518 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 52 [2018-12-08 13:46:05,711 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 43 [2018-12-08 13:46:06,211 WARN L180 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 80 [2018-12-08 13:46:06,568 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 47 [2018-12-08 13:46:06,775 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 47 [2018-12-08 13:46:06,974 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 43 [2018-12-08 13:46:07,244 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 41 [2018-12-08 13:46:07,509 WARN L180 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 55 [2018-12-08 13:46:07,789 WARN L180 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 53 [2018-12-08 13:46:07,919 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 43 [2018-12-08 13:46:07,920 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 13:46:07,922 INFO L583 CodeCheckObserver]: Invariant with dag size 33 [2018-12-08 13:46:07,927 INFO L583 CodeCheckObserver]: Invariant with dag size 33 [2018-12-08 13:46:07,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 01:46:07 ImpRootNode [2018-12-08 13:46:07,928 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 13:46:07,928 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 13:46:07,928 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 13:46:07,928 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 13:46:07,928 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:40:49" (3/4) ... [2018-12-08 13:46:07,931 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 13:46:07,942 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 98 nodes and edges [2018-12-08 13:46:07,942 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-08 13:46:07,943 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-08 13:46:07,943 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 13:46:08,017 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_214d9f6b-084d-45a9-920e-7cc91cf00670/bin-2019/ukojak/witness.graphml [2018-12-08 13:46:08,018 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 13:46:08,018 INFO L168 Benchmark]: Toolchain (without parser) took 319652.14 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.0 GB). Free memory was 951.7 MB in the beginning and 1.5 GB in the end (delta: -583.7 MB). Peak memory consumption was 461.7 MB. Max. memory is 11.5 GB. [2018-12-08 13:46:08,019 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 13:46:08,019 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -200.9 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. [2018-12-08 13:46:08,019 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-08 13:46:08,019 INFO L168 Benchmark]: Boogie Preprocessor took 29.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-08 13:46:08,019 INFO L168 Benchmark]: RCFGBuilder took 995.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 928.4 MB in the end (delta: 211.0 MB). Peak memory consumption was 211.0 MB. Max. memory is 11.5 GB. [2018-12-08 13:46:08,019 INFO L168 Benchmark]: CodeCheck took 318195.86 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 876.6 MB). Free memory was 928.4 MB in the beginning and 1.6 GB in the end (delta: -629.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-08 13:46:08,019 INFO L168 Benchmark]: Witness Printer took 89.71 ms. Allocated memory is still 2.1 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-12-08 13:46:08,020 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, 306.0s OverallTime, 123 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 892455912 SDtfs, -884681926 SDslu, 786420464 SDs, 0 SdLazy, -1264073846 SolverSat, -1111883520 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 454.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 161753 GetRequests, 154185 SyntacticMatches, 5822 SemanticMatches, 1746 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2274964 ImplicationChecksByTransitivity, 280.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 41.9s InterpolantComputationTime, 23950 NumberOfCodeBlocks, 23950 NumberOfCodeBlocksAsserted, 122 NumberOfCheckSat, 23828 ConstructedInterpolants, 0 QuantifiedInterpolants, 44038858 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 122 InterpolantComputations, 85 PerfectInterpolantSequences, 29515/32432 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: 563]: 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: ((((!(a7 == 1) || ((((a8 == 14 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 == 1)) || !(a16 == 5)) || ((((a8 == 14 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0)) || ((((a8 == 15 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0)) || ((((a21 <= 0 && a8 == 13) && a17 == 1) && a12 == 8) && a20 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((!(a16 == 5) || ((((a8 == 15 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0)) || ((((a21 <= 0 && a8 == 13) && a17 == 1) && a12 == 8) && a20 == 1)) || !(a7 == 1)) || ((((a8 == 14 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 == 1)) || ((((a8 == 14 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 298.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -200.9 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 995.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 928.4 MB in the end (delta: 211.0 MB). Peak memory consumption was 211.0 MB. Max. memory is 11.5 GB. * CodeCheck took 318195.86 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 876.6 MB). Free memory was 928.4 MB in the beginning and 1.6 GB in the end (delta: -629.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 89.71 ms. Allocated memory is still 2.1 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...