./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7af24c15-9ddd-480a-a516-fa3037af1155/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7af24c15-9ddd-480a-a516-fa3037af1155/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7af24c15-9ddd-480a-a516-fa3037af1155/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7af24c15-9ddd-480a-a516-fa3037af1155/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7af24c15-9ddd-480a-a516-fa3037af1155/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7af24c15-9ddd-480a-a516-fa3037af1155/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ac99a20a7aff68d4303ed37ca9ad8305a1f8cf0d ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:13:49,522 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:13:49,523 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:13:49,530 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:13:49,530 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:13:49,531 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:13:49,532 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:13:49,533 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:13:49,534 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:13:49,535 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:13:49,535 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:13:49,535 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:13:49,536 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:13:49,537 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:13:49,538 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:13:49,538 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:13:49,539 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:13:49,543 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:13:49,544 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:13:49,545 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:13:49,546 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:13:49,547 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:13:49,548 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:13:49,548 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:13:49,549 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:13:49,549 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:13:49,550 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:13:49,550 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:13:49,551 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:13:49,551 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:13:49,552 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:13:49,552 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:13:49,552 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:13:49,552 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:13:49,553 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:13:49,554 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:13:49,554 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7af24c15-9ddd-480a-a516-fa3037af1155/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-18 13:13:49,564 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:13:49,564 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:13:49,565 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:13:49,565 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:13:49,565 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:13:49,565 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:13:49,566 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:13:49,566 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 13:13:49,566 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:13:49,566 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:13:49,566 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:13:49,566 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:13:49,566 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:13:49,567 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 13:13:49,567 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:13:49,567 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:13:49,567 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:13:49,567 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 13:13:49,567 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 13:13:49,567 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:13:49,567 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:13:49,567 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 13:13:49,568 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:13:49,568 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:13:49,568 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:13:49,568 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 13:13:49,568 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:13:49,568 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:13:49,568 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_7af24c15-9ddd-480a-a516-fa3037af1155/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac99a20a7aff68d4303ed37ca9ad8305a1f8cf0d [2018-11-18 13:13:49,592 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:13:49,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:13:49,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:13:49,605 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:13:49,605 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:13:49,606 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7af24c15-9ddd-480a-a516-fa3037af1155/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop_true-termination_true-no-overflow.c [2018-11-18 13:13:49,652 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7af24c15-9ddd-480a-a516-fa3037af1155/bin-2019/ukojak/data/985af7820/393207d68e6645979d56b58c9e9e31ad/FLAG5dc92e31e [2018-11-18 13:13:49,993 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:13:49,994 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7af24c15-9ddd-480a-a516-fa3037af1155/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-nestedLoop_true-termination_true-no-overflow.c [2018-11-18 13:13:49,999 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7af24c15-9ddd-480a-a516-fa3037af1155/bin-2019/ukojak/data/985af7820/393207d68e6645979d56b58c9e9e31ad/FLAG5dc92e31e [2018-11-18 13:13:50,410 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7af24c15-9ddd-480a-a516-fa3037af1155/bin-2019/ukojak/data/985af7820/393207d68e6645979d56b58c9e9e31ad [2018-11-18 13:13:50,413 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:13:50,414 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:13:50,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:13:50,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:13:50,417 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:13:50,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:13:50" (1/1) ... [2018-11-18 13:13:50,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46515ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:50, skipping insertion in model container [2018-11-18 13:13:50,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:13:50" (1/1) ... [2018-11-18 13:13:50,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:13:50,439 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:13:50,557 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:13:50,559 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:13:50,569 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:13:50,577 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:13:50,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:50 WrapperNode [2018-11-18 13:13:50,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:13:50,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:13:50,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:13:50,578 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:13:50,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:50" (1/1) ... [2018-11-18 13:13:50,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:50" (1/1) ... [2018-11-18 13:13:50,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:13:50,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:13:50,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:13:50,597 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:13:50,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:50" (1/1) ... [2018-11-18 13:13:50,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:50" (1/1) ... [2018-11-18 13:13:50,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:50" (1/1) ... [2018-11-18 13:13:50,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:50" (1/1) ... [2018-11-18 13:13:50,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:50" (1/1) ... [2018-11-18 13:13:50,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:50" (1/1) ... [2018-11-18 13:13:50,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:50" (1/1) ... [2018-11-18 13:13:50,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:13:50,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:13:50,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:13:50,609 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:13:50,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:13:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7af24c15-9ddd-480a-a516-fa3037af1155/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 13:13:50,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:13:50,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:13:50,840 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:13:50,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:13:50 BoogieIcfgContainer [2018-11-18 13:13:50,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:13:50,841 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 13:13:50,841 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 13:13:50,849 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 13:13:50,850 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:13:50" (1/1) ... [2018-11-18 13:13:50,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:13:50,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:50,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2018-11-18 13:13:50,889 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2018-11-18 13:13:50,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 13:13:50,891 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:50,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:13:50,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:50,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2018-11-18 13:13:50,987 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2018-11-18 13:13:50,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 13:13:50,987 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:51,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:13:51,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:51,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2018-11-18 13:13:51,055 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2018-11-18 13:13:51,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 13:13:51,055 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:51,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:13:51,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:51,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 35 states and 46 transitions. [2018-11-18 13:13:51,184 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2018-11-18 13:13:51,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 13:13:51,184 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:51,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:13:51,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:51,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 41 states and 56 transitions. [2018-11-18 13:13:51,334 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2018-11-18 13:13:51,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 13:13:51,334 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:51,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:13:51,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:51,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2018-11-18 13:13:51,469 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2018-11-18 13:13:51,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 13:13:51,471 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:51,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:13:51,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:51,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 53 states and 80 transitions. [2018-11-18 13:13:51,797 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 80 transitions. [2018-11-18 13:13:51,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 13:13:51,798 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:51,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:13:52,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:52,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 62 states and 98 transitions. [2018-11-18 13:13:52,164 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 98 transitions. [2018-11-18 13:13:52,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 13:13:52,165 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:52,211 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:13:52,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:52,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 73 states and 124 transitions. [2018-11-18 13:13:52,774 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 124 transitions. [2018-11-18 13:13:52,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 13:13:52,774 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:52,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:13:52,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:52,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 75 states and 127 transitions. [2018-11-18 13:13:52,882 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 127 transitions. [2018-11-18 13:13:52,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 13:13:52,883 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:52,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:13:52,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:52,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 78 states and 132 transitions. [2018-11-18 13:13:52,965 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 132 transitions. [2018-11-18 13:13:52,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 13:13:52,966 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:52,976 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:13:53,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:53,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 80 states and 135 transitions. [2018-11-18 13:13:53,078 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 135 transitions. [2018-11-18 13:13:53,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 13:13:53,079 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:53,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:13:53,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:53,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 88 states and 151 transitions. [2018-11-18 13:13:53,591 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 151 transitions. [2018-11-18 13:13:53,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 13:13:53,592 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:53,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:13:54,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:54,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 94 states and 163 transitions. [2018-11-18 13:13:54,060 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 163 transitions. [2018-11-18 13:13:54,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 13:13:54,061 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:54,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:13:54,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:54,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 101 states and 173 transitions. [2018-11-18 13:13:54,610 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 173 transitions. [2018-11-18 13:13:54,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 13:13:54,610 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:54,687 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:13:55,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:55,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 115 states and 208 transitions. [2018-11-18 13:13:55,876 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 208 transitions. [2018-11-18 13:13:55,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 13:13:55,876 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:55,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:13:56,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:56,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 119 states and 216 transitions. [2018-11-18 13:13:56,268 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 216 transitions. [2018-11-18 13:13:56,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 13:13:56,268 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:56,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:13:56,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:56,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 125 states and 229 transitions. [2018-11-18 13:13:56,745 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 229 transitions. [2018-11-18 13:13:56,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 13:13:56,746 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:56,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:13:57,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:57,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 131 states and 244 transitions. [2018-11-18 13:13:57,348 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 244 transitions. [2018-11-18 13:13:57,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 13:13:57,348 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:57,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:13:57,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:57,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 133 states and 246 transitions. [2018-11-18 13:13:57,511 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 246 transitions. [2018-11-18 13:13:57,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 13:13:57,511 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:57,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:13:57,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:57,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 138 states and 254 transitions. [2018-11-18 13:13:57,842 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 254 transitions. [2018-11-18 13:13:57,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 13:13:57,842 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:57,906 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:13:58,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:58,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 142 states and 261 transitions. [2018-11-18 13:13:58,438 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 261 transitions. [2018-11-18 13:13:58,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 13:13:58,439 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:58,448 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:13:58,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:58,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 145 states and 269 transitions. [2018-11-18 13:13:58,773 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 269 transitions. [2018-11-18 13:13:58,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 13:13:58,774 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:58,783 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:13:59,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:59,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 147 states and 275 transitions. [2018-11-18 13:13:59,413 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 275 transitions. [2018-11-18 13:13:59,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 13:13:59,413 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:59,419 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:13:59,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:13:59,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 149 states and 277 transitions. [2018-11-18 13:13:59,790 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 277 transitions. [2018-11-18 13:13:59,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 13:13:59,790 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:13:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:13:59,798 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:14:00,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:00,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 154 states and 291 transitions. [2018-11-18 13:14:00,539 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 291 transitions. [2018-11-18 13:14:00,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 13:14:00,540 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:00,619 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:14:01,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:01,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 160 states and 307 transitions. [2018-11-18 13:14:01,197 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 307 transitions. [2018-11-18 13:14:01,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 13:14:01,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:01,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:01,205 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 13:14:01,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:01,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 161 states and 309 transitions. [2018-11-18 13:14:01,376 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 309 transitions. [2018-11-18 13:14:01,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 13:14:01,376 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:01,384 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:14:02,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:02,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 176 states and 345 transitions. [2018-11-18 13:14:02,972 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 345 transitions. [2018-11-18 13:14:02,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 13:14:02,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:03,158 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:14:04,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:04,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 182 states and 354 transitions. [2018-11-18 13:14:04,159 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 354 transitions. [2018-11-18 13:14:04,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 13:14:04,159 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:04,168 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:14:05,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:05,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 191 states and 369 transitions. [2018-11-18 13:14:05,126 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 369 transitions. [2018-11-18 13:14:05,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 13:14:05,127 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:05,137 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:14:05,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:05,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 192 states and 374 transitions. [2018-11-18 13:14:05,836 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 374 transitions. [2018-11-18 13:14:05,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 13:14:05,837 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:05,842 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 13:14:06,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:06,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 197 states and 384 transitions. [2018-11-18 13:14:06,558 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 384 transitions. [2018-11-18 13:14:06,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 13:14:06,559 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:06,658 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:14:07,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:07,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 203 states and 393 transitions. [2018-11-18 13:14:07,613 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 393 transitions. [2018-11-18 13:14:07,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 13:14:07,614 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:07,620 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 13:14:07,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:07,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 204 states and 395 transitions. [2018-11-18 13:14:07,886 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 395 transitions. [2018-11-18 13:14:07,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 13:14:07,886 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:07,891 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 13:14:08,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:08,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 206 states and 397 transitions. [2018-11-18 13:14:08,162 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 397 transitions. [2018-11-18 13:14:08,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 13:14:08,163 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:08,169 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:14:08,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:08,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 209 states and 401 transitions. [2018-11-18 13:14:08,457 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 401 transitions. [2018-11-18 13:14:08,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 13:14:08,458 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:08,464 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 13:14:08,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:08,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 210 states and 404 transitions. [2018-11-18 13:14:08,722 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 404 transitions. [2018-11-18 13:14:08,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 13:14:08,722 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:08,730 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:14:09,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:09,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 212 states and 410 transitions. [2018-11-18 13:14:09,234 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 410 transitions. [2018-11-18 13:14:09,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 13:14:09,235 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:09,244 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:14:09,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:09,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 216 states and 418 transitions. [2018-11-18 13:14:09,729 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 418 transitions. [2018-11-18 13:14:09,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 13:14:09,729 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:09,738 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:14:10,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:10,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 223 states and 427 transitions. [2018-11-18 13:14:10,950 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 427 transitions. [2018-11-18 13:14:10,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 13:14:10,951 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:10,960 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:14:11,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:11,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 227 states and 433 transitions. [2018-11-18 13:14:11,472 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 433 transitions. [2018-11-18 13:14:11,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 13:14:11,473 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:11,561 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:14:12,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:12,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 232 states and 447 transitions. [2018-11-18 13:14:12,414 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 447 transitions. [2018-11-18 13:14:12,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 13:14:12,414 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:12,420 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:14:12,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:12,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 234 states and 452 transitions. [2018-11-18 13:14:12,726 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 452 transitions. [2018-11-18 13:14:12,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 13:14:12,726 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:12,734 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:14:13,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:13,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 235 states and 456 transitions. [2018-11-18 13:14:13,124 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 456 transitions. [2018-11-18 13:14:13,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 13:14:13,124 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:13,133 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:14:13,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:13,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 236 states and 456 transitions. [2018-11-18 13:14:13,429 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 456 transitions. [2018-11-18 13:14:13,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 13:14:13,430 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:13,436 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 13:14:14,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:14,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 236 states and 454 transitions. [2018-11-18 13:14:14,072 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 454 transitions. [2018-11-18 13:14:14,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 13:14:14,072 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:14,080 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:14:14,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:14,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 243 states and 472 transitions. [2018-11-18 13:14:14,972 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 472 transitions. [2018-11-18 13:14:14,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 13:14:14,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:14,977 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:14:15,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:15,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 244 states and 475 transitions. [2018-11-18 13:14:15,286 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 475 transitions. [2018-11-18 13:14:15,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 13:14:15,286 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:15,292 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:14:16,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:16,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 249 states and 483 transitions. [2018-11-18 13:14:16,202 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 483 transitions. [2018-11-18 13:14:16,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 13:14:16,202 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:16,207 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:14:16,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:16,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 250 states and 484 transitions. [2018-11-18 13:14:16,503 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 484 transitions. [2018-11-18 13:14:16,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 13:14:16,503 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:16,508 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:14:17,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:17,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 254 states and 490 transitions. [2018-11-18 13:14:17,060 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 490 transitions. [2018-11-18 13:14:17,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 13:14:17,060 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:17,067 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:14:17,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:17,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 254 states and 489 transitions. [2018-11-18 13:14:17,610 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 489 transitions. [2018-11-18 13:14:17,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 13:14:17,610 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:17,615 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:14:18,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:18,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 254 states and 488 transitions. [2018-11-18 13:14:18,213 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 488 transitions. [2018-11-18 13:14:18,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 13:14:18,214 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:18,225 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 13:14:18,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:18,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 256 states and 489 transitions. [2018-11-18 13:14:18,618 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 489 transitions. [2018-11-18 13:14:18,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 13:14:18,618 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:18,624 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:14:20,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:20,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 263 states and 510 transitions. [2018-11-18 13:14:20,098 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 510 transitions. [2018-11-18 13:14:20,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 13:14:20,098 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:20,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:20,103 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:14:21,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:21,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 269 states and 521 transitions. [2018-11-18 13:14:21,043 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 521 transitions. [2018-11-18 13:14:21,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 13:14:21,043 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:21,169 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:14:22,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:22,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 278 states and 562 transitions. [2018-11-18 13:14:22,738 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 562 transitions. [2018-11-18 13:14:22,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 13:14:22,738 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:22,743 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:14:23,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:23,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 281 states and 566 transitions. [2018-11-18 13:14:23,572 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 566 transitions. [2018-11-18 13:14:23,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 13:14:23,573 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:23,577 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:14:23,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:23,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 283 states and 573 transitions. [2018-11-18 13:14:23,887 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 573 transitions. [2018-11-18 13:14:23,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 13:14:23,887 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:23,893 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:14:24,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:24,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 283 states and 572 transitions. [2018-11-18 13:14:24,753 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 572 transitions. [2018-11-18 13:14:24,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 13:14:24,754 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:24,759 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:14:25,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:25,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 280 states and 565 transitions. [2018-11-18 13:14:25,088 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 565 transitions. [2018-11-18 13:14:25,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 13:14:25,088 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:25,093 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:14:25,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:25,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 280 states and 564 transitions. [2018-11-18 13:14:25,818 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 564 transitions. [2018-11-18 13:14:25,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 13:14:25,818 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:25,822 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 13:14:26,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:26,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 283 states and 569 transitions. [2018-11-18 13:14:26,177 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 569 transitions. [2018-11-18 13:14:26,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 13:14:26,177 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:26,182 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:14:26,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:26,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 284 states and 570 transitions. [2018-11-18 13:14:26,525 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 570 transitions. [2018-11-18 13:14:26,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 13:14:26,525 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:26,531 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 13:14:26,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:26,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 286 states and 574 transitions. [2018-11-18 13:14:26,890 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 574 transitions. [2018-11-18 13:14:26,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 13:14:26,890 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:26,896 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 13:14:27,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:27,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 292 states and 586 transitions. [2018-11-18 13:14:27,775 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 586 transitions. [2018-11-18 13:14:27,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 13:14:27,776 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:27,780 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 13:14:28,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:28,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 296 states and 592 transitions. [2018-11-18 13:14:28,363 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 592 transitions. [2018-11-18 13:14:28,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 13:14:28,363 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:28,368 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 13:14:28,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:28,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 298 states and 596 transitions. [2018-11-18 13:14:28,777 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 596 transitions. [2018-11-18 13:14:28,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 13:14:28,778 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:28,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:28,782 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:14:29,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:29,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 302 states and 607 transitions. [2018-11-18 13:14:29,828 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 607 transitions. [2018-11-18 13:14:29,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 13:14:29,829 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:29,833 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:14:30,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:30,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 304 states and 610 transitions. [2018-11-18 13:14:30,518 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 610 transitions. [2018-11-18 13:14:30,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 13:14:30,519 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:30,524 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:14:30,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:30,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 306 states and 613 transitions. [2018-11-18 13:14:30,935 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 613 transitions. [2018-11-18 13:14:30,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 13:14:30,936 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:30,940 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:14:32,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:32,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 315 states and 627 transitions. [2018-11-18 13:14:32,838 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 627 transitions. [2018-11-18 13:14:32,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 13:14:32,839 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:32,844 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:14:33,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:33,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 315 states and 625 transitions. [2018-11-18 13:14:33,470 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 625 transitions. [2018-11-18 13:14:33,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 13:14:33,471 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:33,475 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:14:34,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:34,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 319 states and 634 transitions. [2018-11-18 13:14:34,269 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 634 transitions. [2018-11-18 13:14:34,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 13:14:34,269 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:34,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:34,274 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:14:34,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:34,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 320 states and 638 transitions. [2018-11-18 13:14:34,697 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 638 transitions. [2018-11-18 13:14:34,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 13:14:34,698 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:34,701 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:14:35,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:35,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 320 states and 637 transitions. [2018-11-18 13:14:35,494 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 637 transitions. [2018-11-18 13:14:35,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 13:14:35,495 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:35,499 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:14:36,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:36,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 322 states and 639 transitions. [2018-11-18 13:14:36,011 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 639 transitions. [2018-11-18 13:14:36,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 13:14:36,011 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:36,015 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 13:14:36,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:36,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 325 states and 645 transitions. [2018-11-18 13:14:36,471 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 645 transitions. [2018-11-18 13:14:36,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 13:14:36,471 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:36,477 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 13:14:37,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:37,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 327 states and 647 transitions. [2018-11-18 13:14:37,410 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 647 transitions. [2018-11-18 13:14:37,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 13:14:37,410 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:37,415 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:14:38,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:38,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 329 states and 652 transitions. [2018-11-18 13:14:38,797 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 652 transitions. [2018-11-18 13:14:38,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 13:14:38,797 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:38,804 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:14:39,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:39,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 330 states and 655 transitions. [2018-11-18 13:14:39,312 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 655 transitions. [2018-11-18 13:14:39,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 13:14:39,312 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:39,318 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:14:39,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:39,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 332 states and 661 transitions. [2018-11-18 13:14:39,758 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 661 transitions. [2018-11-18 13:14:39,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 13:14:39,758 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:39,764 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:14:40,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:40,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 334 states and 664 transitions. [2018-11-18 13:14:40,214 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 664 transitions. [2018-11-18 13:14:40,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 13:14:40,215 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:40,221 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:14:40,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:40,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 336 states and 667 transitions. [2018-11-18 13:14:40,723 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 667 transitions. [2018-11-18 13:14:40,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 13:14:40,724 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:40,729 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 13:14:41,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:41,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 336 states and 666 transitions. [2018-11-18 13:14:41,007 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 666 transitions. [2018-11-18 13:14:41,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 13:14:41,007 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:41,013 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:14:41,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:41,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 338 states and 669 transitions. [2018-11-18 13:14:41,971 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 669 transitions. [2018-11-18 13:14:41,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 13:14:41,971 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:41,980 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 13:14:42,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:42,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 340 states and 672 transitions. [2018-11-18 13:14:42,345 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 672 transitions. [2018-11-18 13:14:42,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 13:14:42,345 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:42,357 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 13:14:42,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:42,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 343 states and 675 transitions. [2018-11-18 13:14:42,887 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 675 transitions. [2018-11-18 13:14:42,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 13:14:42,887 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:42,891 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 13:14:45,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:45,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 350 states and 691 transitions. [2018-11-18 13:14:45,116 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 691 transitions. [2018-11-18 13:14:45,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 13:14:45,116 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:45,121 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 13:14:46,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:46,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 352 states and 696 transitions. [2018-11-18 13:14:46,130 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 696 transitions. [2018-11-18 13:14:46,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 13:14:46,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:46,135 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 13:14:46,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:46,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 353 states and 697 transitions. [2018-11-18 13:14:46,583 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 697 transitions. [2018-11-18 13:14:46,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 13:14:46,583 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:46,589 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 13:14:47,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:47,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 355 states and 699 transitions. [2018-11-18 13:14:47,509 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 699 transitions. [2018-11-18 13:14:47,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 13:14:47,509 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:47,513 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 13:14:47,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:47,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 357 states and 701 transitions. [2018-11-18 13:14:47,964 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 701 transitions. [2018-11-18 13:14:47,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 13:14:47,965 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:47,971 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 13:14:49,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:49,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 362 states and 709 transitions. [2018-11-18 13:14:49,673 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 709 transitions. [2018-11-18 13:14:49,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 13:14:49,673 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:49,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:49,678 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 13:14:50,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:50,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 363 states and 709 transitions. [2018-11-18 13:14:50,241 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 709 transitions. [2018-11-18 13:14:50,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 13:14:50,241 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:50,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:50,246 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 13:14:50,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:50,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 367 states and 713 transitions. [2018-11-18 13:14:50,740 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 713 transitions. [2018-11-18 13:14:50,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 13:14:50,741 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:50,746 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 13:14:51,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:51,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 369 states and 716 transitions. [2018-11-18 13:14:51,979 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 716 transitions. [2018-11-18 13:14:51,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 13:14:51,980 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:51,984 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 13:14:53,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:53,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 373 states and 725 transitions. [2018-11-18 13:14:53,248 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 725 transitions. [2018-11-18 13:14:53,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 13:14:53,249 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:53,253 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 13:14:54,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:54,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 375 states and 730 transitions. [2018-11-18 13:14:54,452 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 730 transitions. [2018-11-18 13:14:54,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 13:14:54,452 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:54,457 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 13:14:56,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:56,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 379 states and 742 transitions. [2018-11-18 13:14:56,432 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 742 transitions. [2018-11-18 13:14:56,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 13:14:56,433 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:56,438 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 13:14:57,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:57,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 381 states and 749 transitions. [2018-11-18 13:14:57,074 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 749 transitions. [2018-11-18 13:14:57,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 13:14:57,074 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:57,081 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 13:14:58,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:58,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 383 states and 750 transitions. [2018-11-18 13:14:58,307 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 750 transitions. [2018-11-18 13:14:58,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 13:14:58,308 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:58,316 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 13:14:58,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:58,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 385 states and 755 transitions. [2018-11-18 13:14:58,932 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 755 transitions. [2018-11-18 13:14:58,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 13:14:58,932 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:58,938 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 13:14:59,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:14:59,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 386 states and 755 transitions. [2018-11-18 13:14:59,564 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 755 transitions. [2018-11-18 13:14:59,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 13:14:59,565 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:14:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:59,573 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 13:15:00,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:00,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 390 states and 762 transitions. [2018-11-18 13:15:00,767 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 762 transitions. [2018-11-18 13:15:00,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 13:15:00,768 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:00,773 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 13:15:01,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:01,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 392 states and 764 transitions. [2018-11-18 13:15:01,917 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 764 transitions. [2018-11-18 13:15:01,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 13:15:01,917 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:01,924 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 13:15:02,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:02,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 393 states and 766 transitions. [2018-11-18 13:15:02,547 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 766 transitions. [2018-11-18 13:15:02,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 13:15:02,548 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:02,554 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:15:05,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:05,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 399 states and 773 transitions. [2018-11-18 13:15:05,679 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 773 transitions. [2018-11-18 13:15:05,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 13:15:05,679 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:05,685 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:15:06,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:06,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 401 states and 776 transitions. [2018-11-18 13:15:06,442 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 776 transitions. [2018-11-18 13:15:06,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 13:15:06,442 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:06,448 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:15:07,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:07,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 406 states and 783 transitions. [2018-11-18 13:15:07,427 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 783 transitions. [2018-11-18 13:15:07,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 13:15:07,428 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:07,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:07,433 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:15:09,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:09,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 413 states and 800 transitions. [2018-11-18 13:15:09,833 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 800 transitions. [2018-11-18 13:15:09,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 13:15:09,833 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:09,837 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:15:10,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:10,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 414 states and 800 transitions. [2018-11-18 13:15:10,313 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 800 transitions. [2018-11-18 13:15:10,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 13:15:10,313 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:10,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:10,317 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 13:15:10,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:10,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 418 states and 804 transitions. [2018-11-18 13:15:10,774 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 804 transitions. [2018-11-18 13:15:10,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 13:15:10,774 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:10,778 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 13:15:11,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:11,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 422 states and 811 transitions. [2018-11-18 13:15:11,810 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 811 transitions. [2018-11-18 13:15:11,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 13:15:11,810 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:11,815 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 13:15:12,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:12,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 424 states and 813 transitions. [2018-11-18 13:15:12,446 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 813 transitions. [2018-11-18 13:15:12,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 13:15:12,446 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:12,450 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 13:15:13,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:13,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 428 states and 818 transitions. [2018-11-18 13:15:13,381 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 818 transitions. [2018-11-18 13:15:13,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 13:15:13,381 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:13,386 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 13:15:14,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:14,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 431 states and 821 transitions. [2018-11-18 13:15:14,270 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 821 transitions. [2018-11-18 13:15:14,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 13:15:14,270 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:14,275 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:15:15,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:15,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 433 states and 827 transitions. [2018-11-18 13:15:15,177 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 827 transitions. [2018-11-18 13:15:15,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 13:15:15,178 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:15,184 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:15:15,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:15,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 435 states and 831 transitions. [2018-11-18 13:15:15,657 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 831 transitions. [2018-11-18 13:15:15,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 13:15:15,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:15,662 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 13:15:16,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:16,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 439 states and 838 transitions. [2018-11-18 13:15:16,733 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 838 transitions. [2018-11-18 13:15:16,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 13:15:16,734 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:16,737 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 13:15:16,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:16,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 441 states and 840 transitions. [2018-11-18 13:15:16,764 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 840 transitions. [2018-11-18 13:15:16,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 13:15:16,764 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:16,768 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 13:15:17,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:17,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 444 states and 844 transitions. [2018-11-18 13:15:17,276 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 844 transitions. [2018-11-18 13:15:17,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 13:15:17,277 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:17,283 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:15:18,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:18,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 446 states and 846 transitions. [2018-11-18 13:15:18,702 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 846 transitions. [2018-11-18 13:15:18,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 13:15:18,702 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:18,707 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 13:15:19,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:19,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 445 states and 842 transitions. [2018-11-18 13:15:19,219 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 842 transitions. [2018-11-18 13:15:19,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 13:15:19,219 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:19,223 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 13:15:19,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:19,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 446 states and 842 transitions. [2018-11-18 13:15:19,717 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 842 transitions. [2018-11-18 13:15:19,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 13:15:19,718 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:19,721 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 13:15:20,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:20,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 448 states and 843 transitions. [2018-11-18 13:15:20,225 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 843 transitions. [2018-11-18 13:15:20,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 13:15:20,225 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:20,229 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 13:15:20,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:20,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 449 states and 847 transitions. [2018-11-18 13:15:20,783 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 847 transitions. [2018-11-18 13:15:20,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 13:15:20,784 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:20,788 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 13:15:21,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:21,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 451 states and 849 transitions. [2018-11-18 13:15:21,517 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 849 transitions. [2018-11-18 13:15:21,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 13:15:21,518 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:21,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:21,523 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 13:15:22,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:22,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 452 states and 850 transitions. [2018-11-18 13:15:22,121 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 850 transitions. [2018-11-18 13:15:22,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 13:15:22,121 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:22,125 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 13:15:22,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:22,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 453 states and 851 transitions. [2018-11-18 13:15:22,680 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 851 transitions. [2018-11-18 13:15:22,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 13:15:22,680 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:22,684 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 13:15:23,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:23,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 455 states and 855 transitions. [2018-11-18 13:15:23,243 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 855 transitions. [2018-11-18 13:15:23,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 13:15:23,243 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:23,247 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 13:15:23,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:23,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 457 states and 859 transitions. [2018-11-18 13:15:23,284 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 859 transitions. [2018-11-18 13:15:23,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 13:15:23,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:23,289 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 13:15:23,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:23,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 461 states and 865 transitions. [2018-11-18 13:15:23,939 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 865 transitions. [2018-11-18 13:15:23,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 13:15:23,939 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:23,944 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 13:15:25,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:25,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 466 states and 880 transitions. [2018-11-18 13:15:25,786 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 880 transitions. [2018-11-18 13:15:25,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 13:15:25,786 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:25,790 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 13:15:26,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:26,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 467 states and 880 transitions. [2018-11-18 13:15:26,380 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 880 transitions. [2018-11-18 13:15:26,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 13:15:26,380 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:26,384 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 13:15:26,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:26,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 469 states and 884 transitions. [2018-11-18 13:15:26,959 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 884 transitions. [2018-11-18 13:15:26,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 13:15:26,960 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:26,965 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 13:15:27,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:27,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 472 states and 889 transitions. [2018-11-18 13:15:27,564 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 889 transitions. [2018-11-18 13:15:27,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 13:15:27,564 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:27,570 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 13:15:28,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:28,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 474 states and 892 transitions. [2018-11-18 13:15:28,063 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 892 transitions. [2018-11-18 13:15:28,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 13:15:28,063 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:28,067 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 13:15:28,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:28,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 476 states and 893 transitions. [2018-11-18 13:15:28,968 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 893 transitions. [2018-11-18 13:15:28,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 13:15:28,969 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:28,973 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 13:15:29,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:29,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 477 states and 893 transitions. [2018-11-18 13:15:29,548 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 893 transitions. [2018-11-18 13:15:29,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 13:15:29,549 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:29,553 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 13:15:30,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:30,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 481 states and 899 transitions. [2018-11-18 13:15:30,787 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 899 transitions. [2018-11-18 13:15:30,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 13:15:30,788 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:30,791 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 13:15:31,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:31,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 482 states and 899 transitions. [2018-11-18 13:15:31,317 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 899 transitions. [2018-11-18 13:15:31,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 13:15:31,317 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:31,321 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 13:15:31,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:31,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 484 states and 902 transitions. [2018-11-18 13:15:31,876 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 902 transitions. [2018-11-18 13:15:31,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 13:15:31,877 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:31,882 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 13:15:32,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:32,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 485 states and 902 transitions. [2018-11-18 13:15:32,487 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 902 transitions. [2018-11-18 13:15:32,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 13:15:32,487 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:32,491 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 13:15:32,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:32,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 486 states and 902 transitions. [2018-11-18 13:15:32,987 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 902 transitions. [2018-11-18 13:15:32,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 13:15:32,987 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:32,993 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 13:15:33,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:33,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 488 states and 903 transitions. [2018-11-18 13:15:33,545 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 903 transitions. [2018-11-18 13:15:33,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 13:15:33,546 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:33,550 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 13:15:35,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:35,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 493 states and 909 transitions. [2018-11-18 13:15:35,807 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 909 transitions. [2018-11-18 13:15:35,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 13:15:35,807 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:35,811 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 13:15:36,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:36,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 495 states and 911 transitions. [2018-11-18 13:15:36,441 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 911 transitions. [2018-11-18 13:15:36,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 13:15:36,442 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:36,445 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 13:15:37,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:37,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 498 states and 913 transitions. [2018-11-18 13:15:37,098 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 913 transitions. [2018-11-18 13:15:37,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 13:15:37,098 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:37,102 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-18 13:15:37,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:37,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 500 states and 914 transitions. [2018-11-18 13:15:37,707 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 914 transitions. [2018-11-18 13:15:37,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 13:15:37,707 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:37,712 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-18 13:15:38,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:38,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 501 states and 914 transitions. [2018-11-18 13:15:38,252 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 914 transitions. [2018-11-18 13:15:38,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 13:15:38,252 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:38,258 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 13:15:38,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:38,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 503 states and 916 transitions. [2018-11-18 13:15:38,972 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 916 transitions. [2018-11-18 13:15:38,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 13:15:38,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:38,977 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-18 13:15:40,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:40,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 507 states and 920 transitions. [2018-11-18 13:15:40,184 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 920 transitions. [2018-11-18 13:15:40,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 13:15:40,184 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:40,189 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 13:15:41,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:41,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 511 states and 927 transitions. [2018-11-18 13:15:41,519 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 927 transitions. [2018-11-18 13:15:41,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 13:15:41,519 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:41,524 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 13:15:42,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:42,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 513 states and 929 transitions. [2018-11-18 13:15:42,210 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 929 transitions. [2018-11-18 13:15:42,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 13:15:42,211 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:42,215 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 13:15:42,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:42,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 516 states and 933 transitions. [2018-11-18 13:15:42,842 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 933 transitions. [2018-11-18 13:15:42,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 13:15:42,843 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:42,847 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-18 13:15:44,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:44,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 519 states and 937 transitions. [2018-11-18 13:15:44,129 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 937 transitions. [2018-11-18 13:15:44,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 13:15:44,129 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:44,134 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-18 13:15:44,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:44,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 521 states and 938 transitions. [2018-11-18 13:15:44,913 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 938 transitions. [2018-11-18 13:15:44,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 13:15:44,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:44,918 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 13:15:45,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:45,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 522 states and 938 transitions. [2018-11-18 13:15:45,694 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 938 transitions. [2018-11-18 13:15:45,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 13:15:45,694 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:15:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:45,699 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 13:15:46,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:15:46,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 128 states and 196 transitions. [2018-11-18 13:15:46,014 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 196 transitions. [2018-11-18 13:15:46,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:15:46,015 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 161 iterations. [2018-11-18 13:15:46,022 INFO L775 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2018-11-18 13:15:46,134 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-11-18 13:15:46,264 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2018-11-18 13:15:46,395 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2018-11-18 13:15:46,782 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2018-11-18 13:15:47,011 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2018-11-18 13:15:47,159 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2018-11-18 13:15:47,373 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2018-11-18 13:15:47,373 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-18 13:15:47,380 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:15:47,380 INFO L579 CodeCheckObserver]: Invariant with dag size 32 [2018-11-18 13:15:47,382 INFO L579 CodeCheckObserver]: Invariant with dag size 35 [2018-11-18 13:15:47,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 01:15:47 ImpRootNode [2018-11-18 13:15:47,384 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 13:15:47,385 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:15:47,385 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:15:47,385 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:15:47,386 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:13:50" (3/4) ... [2018-11-18 13:15:47,391 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:15:47,398 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-18 13:15:47,399 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 13:15:47,399 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 13:15:47,438 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7af24c15-9ddd-480a-a516-fa3037af1155/bin-2019/ukojak/witness.graphml [2018-11-18 13:15:47,439 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:15:47,439 INFO L168 Benchmark]: Toolchain (without parser) took 117026.42 ms. Allocated memory was 1.0 GB in the beginning and 3.2 GB in the end (delta: 2.1 GB). Free memory was 959.2 MB in the beginning and 1.9 GB in the end (delta: -951.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-18 13:15:47,440 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:15:47,440 INFO L168 Benchmark]: CACSL2BoogieTranslator took 162.89 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:15:47,441 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.08 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:15:47,441 INFO L168 Benchmark]: Boogie Preprocessor took 12.18 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:15:47,441 INFO L168 Benchmark]: RCFGBuilder took 231.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -149.4 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:15:47,441 INFO L168 Benchmark]: CodeCheck took 116543.85 ms. Allocated memory was 1.1 GB in the beginning and 3.2 GB in the end (delta: 2.0 GB). Free memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: -815.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-18 13:15:47,442 INFO L168 Benchmark]: Witness Printer took 53.92 ms. Allocated memory is still 3.2 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 2.6 kB). Peak memory consumption was 2.6 kB. Max. memory is 11.5 GB. [2018-11-18 13:15:47,444 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, 30 locations, 8 error locations. SAFE Result, 115.1s OverallTime, 161 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -955331784 SDslu, 1867597504 SDs, 0 SdLazy, -1717644428 SolverSat, 1921279336 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 189.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45444 GetRequests, 40764 SyntacticMatches, 3400 SemanticMatches, 1280 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 835650 ImplicationChecksByTransitivity, 110.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 4507 NumberOfCodeBlocks, 4507 NumberOfCodeBlocksAsserted, 160 NumberOfCheckSat, 4347 ConstructedInterpolants, 0 QuantifiedInterpolants, 397097 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 160 InterpolantComputations, 49 PerfectInterpolantSequences, 2388/3195 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: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (((n <= 2147483647 && m <= 2147483647) && 0 < N + 2147483648) && 0 <= i + 2147483648) && N <= 2147483647 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: ((((((((n <= 2147483647 && m <= 2147483647) && 0 < N + 2147483648) && 0 <= i + 2147483648) && 0 <= j + 2147483648) && N <= 2147483647) && i + 1 < 0) || ((((((i < 0 && n <= 2147483647) && m <= 2147483647) && 0 < N + 2147483648) && 0 <= j + 2147483648) && 0 <= i + 1) && N <= 2147483647)) || ((((((n <= 2147483647 && m <= 2147483647) && 0 < N + 2147483648) && 0 <= j + 2147483648) && 0 < i) && i <= 2147483646) && N <= 2147483647)) || ((((((i <= 0 && n <= 2147483647) && m <= 2147483647) && 0 < N + 2147483648) && 0 <= j + 2147483648) && N <= 2147483647) && 0 <= i) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (((((((((n <= 2147483647 && m <= 2147483647) && 0 <= j + 2147483648) && 0 <= N) && 0 <= k + 1) && k < 0) && N <= 2147483647) || ((((((n <= 2147483647 && m <= 2147483647) && 0 <= j + 2147483648) && 0 <= N) && k + 1 < 0) && 0 <= k + 2147483648) && N <= 2147483647)) || ((((((n <= 2147483647 && k <= 0) && 0 <= k) && m <= 2147483647) && 0 <= j + 2147483648) && 0 <= N) && N <= 2147483647)) || ((((((n <= 2147483647 && m <= 2147483647) && 0 < N + 2147483648) && 0 <= j + 2147483648) && N < 0) && k <= 2147483646) && 0 <= k + 2147483648)) || ((((((n <= 2147483647 && m <= 2147483647) && 0 < k) && 0 <= j + 2147483648) && 0 <= N) && k <= 2147483646) && N <= 2147483647) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 162.89 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.08 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.18 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 231.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -149.4 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * CodeCheck took 116543.85 ms. Allocated memory was 1.1 GB in the beginning and 3.2 GB in the end (delta: 2.0 GB). Free memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: -815.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 53.92 ms. Allocated memory is still 3.2 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 2.6 kB). Peak memory consumption was 2.6 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...