./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig1_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_85ab8e79-3dfc-49d6-a4f9-9fed81457130/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_85ab8e79-3dfc-49d6-a4f9-9fed81457130/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_85ab8e79-3dfc-49d6-a4f9-9fed81457130/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_85ab8e79-3dfc-49d6-a4f9-9fed81457130/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig1_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_85ab8e79-3dfc-49d6-a4f9-9fed81457130/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_85ab8e79-3dfc-49d6-a4f9-9fed81457130/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 0564e568992a96ba006237c1af458e049de52506 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 13:12:32,925 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:12:32,926 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:12:32,933 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:12:32,933 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:12:32,934 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:12:32,935 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:12:32,936 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:12:32,937 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:12:32,937 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:12:32,938 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:12:32,938 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:12:32,939 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:12:32,940 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:12:32,940 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:12:32,941 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:12:32,941 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:12:32,942 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:12:32,944 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:12:32,945 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:12:32,946 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:12:32,947 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:12:32,948 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:12:32,949 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:12:32,949 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:12:32,949 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:12:32,950 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:12:32,951 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:12:32,951 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:12:32,952 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:12:32,952 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:12:32,953 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:12:32,953 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:12:32,953 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:12:32,954 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:12:32,954 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:12:32,954 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_85ab8e79-3dfc-49d6-a4f9-9fed81457130/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-23 13:12:32,964 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:12:32,964 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:12:32,965 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:12:32,965 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 13:12:32,965 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:12:32,965 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:12:32,966 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:12:32,966 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 13:12:32,966 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:12:32,966 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:12:32,966 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:12:32,966 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:12:32,966 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:12:32,966 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-23 13:12:32,966 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:12:32,967 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:12:32,967 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:12:32,967 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 13:12:32,967 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 13:12:32,967 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:12:32,967 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:12:32,967 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 13:12:32,968 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:12:32,968 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:12:32,968 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:12:32,969 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 13:12:32,970 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:12:32,970 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:12:32,970 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_85ab8e79-3dfc-49d6-a4f9-9fed81457130/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 -> 0564e568992a96ba006237c1af458e049de52506 [2018-11-23 13:12:32,991 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:12:32,997 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:12:32,999 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:12:33,000 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:12:33,000 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:12:33,001 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_85ab8e79-3dfc-49d6-a4f9-9fed81457130/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig1_true-termination_true-no-overflow.c [2018-11-23 13:12:33,034 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_85ab8e79-3dfc-49d6-a4f9-9fed81457130/bin-2019/ukojak/data/e28e69973/2071108f9c5e4ac59333dc66936e41be/FLAG25476ec59 [2018-11-23 13:12:33,414 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:12:33,414 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_85ab8e79-3dfc-49d6-a4f9-9fed81457130/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig1_true-termination_true-no-overflow.c [2018-11-23 13:12:33,418 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_85ab8e79-3dfc-49d6-a4f9-9fed81457130/bin-2019/ukojak/data/e28e69973/2071108f9c5e4ac59333dc66936e41be/FLAG25476ec59 [2018-11-23 13:12:33,426 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_85ab8e79-3dfc-49d6-a4f9-9fed81457130/bin-2019/ukojak/data/e28e69973/2071108f9c5e4ac59333dc66936e41be [2018-11-23 13:12:33,428 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:12:33,429 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:12:33,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:12:33,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:12:33,432 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:12:33,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:12:33" (1/1) ... [2018-11-23 13:12:33,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a614edd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:33, skipping insertion in model container [2018-11-23 13:12:33,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:12:33" (1/1) ... [2018-11-23 13:12:33,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:12:33,450 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:12:33,546 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:12:33,548 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:12:33,557 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:12:33,564 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:12:33,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:33 WrapperNode [2018-11-23 13:12:33,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:12:33,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:12:33,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:12:33,565 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:12:33,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:33" (1/1) ... [2018-11-23 13:12:33,573 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:33" (1/1) ... [2018-11-23 13:12:33,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:12:33,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:12:33,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:12:33,584 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:12:33,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:33" (1/1) ... [2018-11-23 13:12:33,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:33" (1/1) ... [2018-11-23 13:12:33,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:33" (1/1) ... [2018-11-23 13:12:33,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:33" (1/1) ... [2018-11-23 13:12:33,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:33" (1/1) ... [2018-11-23 13:12:33,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:33" (1/1) ... [2018-11-23 13:12:33,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:33" (1/1) ... [2018-11-23 13:12:33,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:12:33,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:12:33,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:12:33,596 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:12:33,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_85ab8e79-3dfc-49d6-a4f9-9fed81457130/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 13:12:33,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:12:33,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:12:33,791 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:12:33,791 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-23 13:12:33,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:12:33 BoogieIcfgContainer [2018-11-23 13:12:33,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:12:33,792 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 13:12:33,792 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 13:12:33,802 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 13:12:33,802 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:12:33" (1/1) ... [2018-11-23 13:12:33,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:12:33,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:33,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-11-23 13:12:33,843 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-11-23 13:12:33,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-23 13:12:33,845 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:33,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:34,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:34,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-11-23 13:12:34,012 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-11-23 13:12:34,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-23 13:12:34,012 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:34,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:34,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:34,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2018-11-23 13:12:34,184 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2018-11-23 13:12:34,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 13:12:34,186 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:34,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:34,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:34,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2018-11-23 13:12:34,333 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2018-11-23 13:12:34,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 13:12:34,333 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:34,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:34,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:34,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:34,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2018-11-23 13:12:34,613 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-11-23 13:12:34,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 13:12:34,613 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:34,679 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:34,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:34,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2018-11-23 13:12:34,882 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2018-11-23 13:12:34,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 13:12:34,883 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:34,924 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:35,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:35,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2018-11-23 13:12:35,097 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2018-11-23 13:12:35,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 13:12:35,097 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:35,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:35,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:35,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-11-23 13:12:35,281 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-11-23 13:12:35,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 13:12:35,281 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:35,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:35,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:35,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 57 transitions. [2018-11-23 13:12:35,362 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2018-11-23 13:12:35,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 13:12:35,362 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:35,412 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 13:12:35,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:35,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2018-11-23 13:12:35,664 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2018-11-23 13:12:35,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 13:12:35,664 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:35,797 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:36,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:36,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 67 transitions. [2018-11-23 13:12:36,219 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2018-11-23 13:12:36,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 13:12:36,220 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:36,236 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:36,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:36,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 72 transitions. [2018-11-23 13:12:36,463 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 72 transitions. [2018-11-23 13:12:36,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 13:12:36,464 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:36,523 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:36,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:36,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 48 states and 86 transitions. [2018-11-23 13:12:36,801 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 86 transitions. [2018-11-23 13:12:36,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 13:12:36,802 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:36,814 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:36,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:36,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 51 states and 93 transitions. [2018-11-23 13:12:36,974 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 93 transitions. [2018-11-23 13:12:36,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 13:12:36,974 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:36,984 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:37,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:37,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 94 transitions. [2018-11-23 13:12:37,105 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2018-11-23 13:12:37,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 13:12:37,106 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:37,116 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:37,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:37,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 55 states and 96 transitions. [2018-11-23 13:12:37,307 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 96 transitions. [2018-11-23 13:12:37,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 13:12:37,307 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:37,316 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 13:12:37,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:37,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 55 states and 95 transitions. [2018-11-23 13:12:37,543 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 95 transitions. [2018-11-23 13:12:37,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 13:12:37,543 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:37,550 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 13:12:37,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:37,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 56 states and 96 transitions. [2018-11-23 13:12:37,760 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 96 transitions. [2018-11-23 13:12:37,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 13:12:37,761 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:37,933 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:38,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:38,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 60 states and 101 transitions. [2018-11-23 13:12:38,413 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 101 transitions. [2018-11-23 13:12:38,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 13:12:38,413 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:38,431 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:39,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:39,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 65 states and 113 transitions. [2018-11-23 13:12:39,041 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 113 transitions. [2018-11-23 13:12:39,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 13:12:39,042 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:39,060 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:39,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:39,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 65 states and 112 transitions. [2018-11-23 13:12:39,222 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 112 transitions. [2018-11-23 13:12:39,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 13:12:39,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:39,321 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 13:12:39,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:39,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 127 transitions. [2018-11-23 13:12:39,712 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 127 transitions. [2018-11-23 13:12:39,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 13:12:39,713 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:39,751 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:40,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:40,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 73 states and 142 transitions. [2018-11-23 13:12:40,187 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 142 transitions. [2018-11-23 13:12:40,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 13:12:40,187 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:40,197 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:40,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:40,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 75 states and 144 transitions. [2018-11-23 13:12:40,442 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 144 transitions. [2018-11-23 13:12:40,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 13:12:40,442 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:40,450 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:40,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:40,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 77 states and 145 transitions. [2018-11-23 13:12:40,612 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 145 transitions. [2018-11-23 13:12:40,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 13:12:40,613 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:40,621 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:40,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:40,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 79 states and 146 transitions. [2018-11-23 13:12:40,799 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 146 transitions. [2018-11-23 13:12:40,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 13:12:40,800 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:40,807 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 13:12:41,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:41,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 79 states and 145 transitions. [2018-11-23 13:12:41,104 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 145 transitions. [2018-11-23 13:12:41,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 13:12:41,104 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:41,288 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:41,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:41,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 82 states and 149 transitions. [2018-11-23 13:12:41,788 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 149 transitions. [2018-11-23 13:12:41,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 13:12:41,789 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:41,839 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:41,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:41,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 82 states and 145 transitions. [2018-11-23 13:12:41,937 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 145 transitions. [2018-11-23 13:12:41,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 13:12:41,938 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:41,981 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:42,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:42,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 83 states and 154 transitions. [2018-11-23 13:12:42,416 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 154 transitions. [2018-11-23 13:12:42,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 13:12:42,417 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:42,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:42,423 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 13:12:42,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:42,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 83 states and 153 transitions. [2018-11-23 13:12:42,586 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 153 transitions. [2018-11-23 13:12:42,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 13:12:42,586 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:42,635 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:43,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:43,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 88 states and 170 transitions. [2018-11-23 13:12:43,187 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 170 transitions. [2018-11-23 13:12:43,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 13:12:43,187 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:43,195 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:43,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:43,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 91 states and 171 transitions. [2018-11-23 13:12:43,524 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 171 transitions. [2018-11-23 13:12:43,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 13:12:43,524 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:43,533 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:43,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:43,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 93 states and 173 transitions. [2018-11-23 13:12:43,933 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 173 transitions. [2018-11-23 13:12:43,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 13:12:43,934 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:43,940 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:44,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:44,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 95 states and 174 transitions. [2018-11-23 13:12:44,093 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 174 transitions. [2018-11-23 13:12:44,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 13:12:44,094 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:44,433 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:45,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:45,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 97 states and 177 transitions. [2018-11-23 13:12:45,078 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 177 transitions. [2018-11-23 13:12:45,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 13:12:45,079 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:45,133 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:45,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:45,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 100 states and 184 transitions. [2018-11-23 13:12:45,519 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 184 transitions. [2018-11-23 13:12:45,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 13:12:45,519 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:45,582 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:45,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:45,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 100 states and 182 transitions. [2018-11-23 13:12:45,823 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 182 transitions. [2018-11-23 13:12:45,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 13:12:45,823 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:45,895 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:46,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:46,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 105 states and 200 transitions. [2018-11-23 13:12:46,811 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 200 transitions. [2018-11-23 13:12:46,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 13:12:46,812 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:46,820 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:46,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:46,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 107 states and 201 transitions. [2018-11-23 13:12:46,993 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 201 transitions. [2018-11-23 13:12:46,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 13:12:46,993 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:47,002 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:47,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:47,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 109 states and 202 transitions. [2018-11-23 13:12:47,206 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 202 transitions. [2018-11-23 13:12:47,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 13:12:47,206 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:47,215 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:47,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:47,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 111 states and 203 transitions. [2018-11-23 13:12:47,426 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 203 transitions. [2018-11-23 13:12:47,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 13:12:47,426 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:47,776 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 38 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:48,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:48,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 113 states and 207 transitions. [2018-11-23 13:12:48,459 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 207 transitions. [2018-11-23 13:12:48,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 13:12:48,460 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:48,555 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 38 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:48,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:48,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 116 states and 208 transitions. [2018-11-23 13:12:48,966 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 208 transitions. [2018-11-23 13:12:48,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 13:12:48,966 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:49,043 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 38 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:49,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:49,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 117 states and 206 transitions. [2018-11-23 13:12:49,450 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 206 transitions. [2018-11-23 13:12:49,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 13:12:49,451 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:49,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:49,524 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:50,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:50,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 122 states and 223 transitions. [2018-11-23 13:12:50,242 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 223 transitions. [2018-11-23 13:12:50,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 13:12:50,243 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:50,252 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:50,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:50,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 124 states and 224 transitions. [2018-11-23 13:12:50,446 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 224 transitions. [2018-11-23 13:12:50,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 13:12:50,447 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:50,454 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:50,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:50,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 126 states and 225 transitions. [2018-11-23 13:12:50,676 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 225 transitions. [2018-11-23 13:12:50,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 13:12:50,676 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:50,682 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:51,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:51,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 128 states and 227 transitions. [2018-11-23 13:12:51,080 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 227 transitions. [2018-11-23 13:12:51,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 13:12:51,080 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:51,461 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 87 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:51,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:51,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 129 states and 229 transitions. [2018-11-23 13:12:51,887 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 229 transitions. [2018-11-23 13:12:51,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 13:12:51,888 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:51,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:52,119 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 87 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:52,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:52,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 128 states and 226 transitions. [2018-11-23 13:12:52,330 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 226 transitions. [2018-11-23 13:12:52,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 13:12:52,330 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:52,409 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:53,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:53,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 133 states and 243 transitions. [2018-11-23 13:12:53,179 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 243 transitions. [2018-11-23 13:12:53,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 13:12:53,179 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:53,186 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:53,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:53,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 136 states and 245 transitions. [2018-11-23 13:12:53,910 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 245 transitions. [2018-11-23 13:12:53,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 13:12:53,911 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:53,920 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:54,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:54,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 138 states and 246 transitions. [2018-11-23 13:12:54,146 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 246 transitions. [2018-11-23 13:12:54,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 13:12:54,147 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:54,154 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:54,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:54,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 140 states and 247 transitions. [2018-11-23 13:12:54,379 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 247 transitions. [2018-11-23 13:12:54,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 13:12:54,379 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:54,773 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 119 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:55,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:55,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 143 states and 250 transitions. [2018-11-23 13:12:55,566 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 250 transitions. [2018-11-23 13:12:55,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 13:12:55,566 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:55,807 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 119 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:56,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:56,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 143 states and 249 transitions. [2018-11-23 13:12:56,280 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 249 transitions. [2018-11-23 13:12:56,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 13:12:56,280 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:56,376 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:57,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:57,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 148 states and 266 transitions. [2018-11-23 13:12:57,236 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 266 transitions. [2018-11-23 13:12:57,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 13:12:57,237 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:57,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:57,243 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:57,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:57,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 151 states and 268 transitions. [2018-11-23 13:12:57,953 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 268 transitions. [2018-11-23 13:12:57,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 13:12:57,953 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:57,961 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:58,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:58,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 153 states and 269 transitions. [2018-11-23 13:12:58,186 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 269 transitions. [2018-11-23 13:12:58,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 13:12:58,186 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:58,193 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:58,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:58,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 155 states and 270 transitions. [2018-11-23 13:12:58,456 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 270 transitions. [2018-11-23 13:12:58,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 13:12:58,456 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:58,942 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 156 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:59,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:59,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 156 states and 272 transitions. [2018-11-23 13:12:59,373 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 272 transitions. [2018-11-23 13:12:59,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 13:12:59,374 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:59,672 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 156 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:59,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:12:59,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 155 states and 269 transitions. [2018-11-23 13:12:59,936 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 269 transitions. [2018-11-23 13:12:59,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 13:12:59,936 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:12:59,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:00,026 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:01,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:01,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 160 states and 287 transitions. [2018-11-23 13:13:01,187 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 287 transitions. [2018-11-23 13:13:01,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 13:13:01,187 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:01,196 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:01,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:01,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 163 states and 288 transitions. [2018-11-23 13:13:01,713 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 288 transitions. [2018-11-23 13:13:01,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 13:13:01,713 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:01,723 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:02,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:02,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 165 states and 289 transitions. [2018-11-23 13:13:02,022 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 289 transitions. [2018-11-23 13:13:02,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 13:13:02,022 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:02,032 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:02,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:02,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 167 states and 290 transitions. [2018-11-23 13:13:02,324 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 290 transitions. [2018-11-23 13:13:02,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 13:13:02,325 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:02,855 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 198 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:03,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:03,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 167 states and 289 transitions. [2018-11-23 13:13:03,568 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 289 transitions. [2018-11-23 13:13:03,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 13:13:03,568 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:03,663 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:05,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:05,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 172 states and 307 transitions. [2018-11-23 13:13:05,218 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 307 transitions. [2018-11-23 13:13:05,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 13:13:05,219 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:05,226 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:05,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:05,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 175 states and 308 transitions. [2018-11-23 13:13:05,852 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 308 transitions. [2018-11-23 13:13:05,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 13:13:05,852 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:05,859 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:06,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:06,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 177 states and 309 transitions. [2018-11-23 13:13:06,119 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 309 transitions. [2018-11-23 13:13:06,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 13:13:06,120 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:06,127 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:06,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:06,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 179 states and 310 transitions. [2018-11-23 13:13:06,386 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 310 transitions. [2018-11-23 13:13:06,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 13:13:06,386 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:07,012 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 245 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:07,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:07,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 180 states and 312 transitions. [2018-11-23 13:13:07,546 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 312 transitions. [2018-11-23 13:13:07,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 13:13:07,547 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:07,986 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 245 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:08,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:08,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 179 states and 309 transitions. [2018-11-23 13:13:08,275 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 309 transitions. [2018-11-23 13:13:08,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 13:13:08,275 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:08,373 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:09,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:09,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 184 states and 326 transitions. [2018-11-23 13:13:09,463 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 326 transitions. [2018-11-23 13:13:09,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 13:13:09,463 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:09,470 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:10,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:10,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 187 states and 328 transitions. [2018-11-23 13:13:10,349 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 328 transitions. [2018-11-23 13:13:10,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 13:13:10,349 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:10,360 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:10,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:10,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 189 states and 329 transitions. [2018-11-23 13:13:10,657 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 329 transitions. [2018-11-23 13:13:10,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 13:13:10,658 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:10,665 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:10,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:10,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 191 states and 330 transitions. [2018-11-23 13:13:10,952 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 330 transitions. [2018-11-23 13:13:10,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 13:13:10,952 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:11,668 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 297 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:12,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:12,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 192 states and 332 transitions. [2018-11-23 13:13:12,207 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 332 transitions. [2018-11-23 13:13:12,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 13:13:12,207 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:12,757 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 297 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:13,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:13,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 191 states and 329 transitions. [2018-11-23 13:13:13,065 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 329 transitions. [2018-11-23 13:13:13,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 13:13:13,066 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:13,174 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:14,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:14,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 196 states and 346 transitions. [2018-11-23 13:13:14,324 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 346 transitions. [2018-11-23 13:13:14,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 13:13:14,324 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:14,332 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:14,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:14,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 199 states and 347 transitions. [2018-11-23 13:13:14,948 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 347 transitions. [2018-11-23 13:13:14,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 13:13:14,949 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:14,958 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:15,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:15,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 201 states and 349 transitions. [2018-11-23 13:13:15,591 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 349 transitions. [2018-11-23 13:13:15,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 13:13:15,591 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:15,599 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:15,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:15,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 203 states and 350 transitions. [2018-11-23 13:13:15,922 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 350 transitions. [2018-11-23 13:13:15,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 13:13:15,922 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:16,747 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 354 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:17,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:17,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 204 states and 352 transitions. [2018-11-23 13:13:17,325 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 352 transitions. [2018-11-23 13:13:17,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 13:13:17,325 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:17,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:17,946 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 354 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:18,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:18,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 203 states and 349 transitions. [2018-11-23 13:13:18,279 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 349 transitions. [2018-11-23 13:13:18,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 13:13:18,279 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:18,429 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:19,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:19,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 208 states and 367 transitions. [2018-11-23 13:13:19,978 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 367 transitions. [2018-11-23 13:13:19,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 13:13:19,978 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:19,989 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:20,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:20,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 211 states and 368 transitions. [2018-11-23 13:13:20,645 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 368 transitions. [2018-11-23 13:13:20,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 13:13:20,645 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:20,653 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:20,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:20,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 213 states and 369 transitions. [2018-11-23 13:13:20,978 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 369 transitions. [2018-11-23 13:13:20,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 13:13:20,978 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:20,990 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:21,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:21,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 215 states and 370 transitions. [2018-11-23 13:13:21,315 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 370 transitions. [2018-11-23 13:13:21,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-23 13:13:21,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:22,320 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 416 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:22,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:22,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 216 states and 372 transitions. [2018-11-23 13:13:22,942 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 372 transitions. [2018-11-23 13:13:22,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-23 13:13:22,943 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:23,651 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 416 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:24,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:24,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 215 states and 369 transitions. [2018-11-23 13:13:24,001 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 369 transitions. [2018-11-23 13:13:24,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 13:13:24,001 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:24,120 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:25,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:25,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 220 states and 386 transitions. [2018-11-23 13:13:25,470 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 386 transitions. [2018-11-23 13:13:25,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 13:13:25,470 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:25,479 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:26,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:26,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 223 states and 388 transitions. [2018-11-23 13:13:26,484 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 388 transitions. [2018-11-23 13:13:26,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 13:13:26,484 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:26,493 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:26,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:26,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 225 states and 389 transitions. [2018-11-23 13:13:26,845 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 389 transitions. [2018-11-23 13:13:26,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 13:13:26,845 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:26,854 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:27,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:27,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 227 states and 390 transitions. [2018-11-23 13:13:27,201 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 390 transitions. [2018-11-23 13:13:27,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 13:13:27,201 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:28,325 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 483 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:29,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:29,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 227 states and 389 transitions. [2018-11-23 13:13:29,323 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 389 transitions. [2018-11-23 13:13:29,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 13:13:29,323 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:29,449 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:31,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:31,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 232 states and 407 transitions. [2018-11-23 13:13:31,149 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 407 transitions. [2018-11-23 13:13:31,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 13:13:31,149 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:31,162 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:31,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:31,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 235 states and 408 transitions. [2018-11-23 13:13:31,937 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 408 transitions. [2018-11-23 13:13:31,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 13:13:31,938 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:31,947 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:32,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:32,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 237 states and 409 transitions. [2018-11-23 13:13:32,299 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 409 transitions. [2018-11-23 13:13:32,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 13:13:32,300 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:32,314 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:32,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:32,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 239 states and 410 transitions. [2018-11-23 13:13:32,713 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 410 transitions. [2018-11-23 13:13:32,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 13:13:32,714 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:33,907 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 555 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:34,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:34,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 240 states and 412 transitions. [2018-11-23 13:13:34,602 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 412 transitions. [2018-11-23 13:13:34,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 13:13:34,603 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:35,617 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 555 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:36,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:36,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 239 states and 409 transitions. [2018-11-23 13:13:36,006 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 409 transitions. [2018-11-23 13:13:36,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-23 13:13:36,006 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:36,181 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:38,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:38,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 244 states and 427 transitions. [2018-11-23 13:13:38,051 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 427 transitions. [2018-11-23 13:13:38,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-23 13:13:38,051 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:38,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:38,064 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:38,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:38,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 247 states and 428 transitions. [2018-11-23 13:13:38,843 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 428 transitions. [2018-11-23 13:13:38,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-23 13:13:38,844 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:38,854 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:39,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:39,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 249 states and 429 transitions. [2018-11-23 13:13:39,283 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 429 transitions. [2018-11-23 13:13:39,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-23 13:13:39,283 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:39,293 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:39,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:39,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 251 states and 430 transitions. [2018-11-23 13:13:39,684 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 430 transitions. [2018-11-23 13:13:39,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 13:13:39,684 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:41,048 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 632 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:41,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:41,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 252 states and 432 transitions. [2018-11-23 13:13:41,780 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 432 transitions. [2018-11-23 13:13:41,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 13:13:41,780 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:42,837 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 632 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:43,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:43,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 251 states and 429 transitions. [2018-11-23 13:13:43,298 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 429 transitions. [2018-11-23 13:13:43,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 13:13:43,298 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:44,418 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 244 proven. 21 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2018-11-23 13:13:49,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:49,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 261 states and 453 transitions. [2018-11-23 13:13:49,317 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 453 transitions. [2018-11-23 13:13:49,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 13:13:49,317 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:49,327 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 244 proven. 21 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2018-11-23 13:13:51,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:51,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 267 states and 458 transitions. [2018-11-23 13:13:51,065 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 458 transitions. [2018-11-23 13:13:51,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 13:13:51,065 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:51,075 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 244 proven. 21 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2018-11-23 13:13:51,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:51,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 269 states and 460 transitions. [2018-11-23 13:13:51,524 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 460 transitions. [2018-11-23 13:13:51,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 13:13:51,524 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:51,532 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 244 proven. 21 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2018-11-23 13:13:52,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:52,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 271 states and 463 transitions. [2018-11-23 13:13:52,301 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 463 transitions. [2018-11-23 13:13:52,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 13:13:52,301 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:53,836 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 714 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:54,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:54,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 272 states and 465 transitions. [2018-11-23 13:13:54,629 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 465 transitions. [2018-11-23 13:13:54,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 13:13:54,629 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:55,886 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 714 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:13:56,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:56,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 271 states and 462 transitions. [2018-11-23 13:13:56,335 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 462 transitions. [2018-11-23 13:13:56,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-23 13:13:56,335 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:13:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:13:56,344 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 261 proven. 21 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2018-11-23 13:13:57,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:13:57,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 197 states and 272 transitions. [2018-11-23 13:13:57,681 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 272 transitions. [2018-11-23 13:13:57,681 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:13:57,681 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 116 iterations. [2018-11-23 13:13:57,688 INFO L775 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-23 13:13:58,185 WARN L180 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2018-11-23 13:13:58,591 WARN L180 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2018-11-23 13:13:58,830 WARN L180 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 89 [2018-11-23 13:13:58,897 INFO L579 CodeCheckObserver]: Invariant with dag size 101 [2018-11-23 13:13:58,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:13:58 ImpRootNode [2018-11-23 13:13:58,909 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 13:13:58,909 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:13:58,909 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:13:58,909 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:13:58,910 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:12:33" (3/4) ... [2018-11-23 13:13:58,913 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:13:58,920 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 13:13:58,920 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 13:13:58,920 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:13:58,944 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_85ab8e79-3dfc-49d6-a4f9-9fed81457130/bin-2019/ukojak/witness.graphml [2018-11-23 13:13:58,944 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:13:58,944 INFO L168 Benchmark]: Toolchain (without parser) took 85516.08 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.4 GB). Free memory was 959.1 MB in the beginning and 1.2 GB in the end (delta: -288.6 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-23 13:13:58,945 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:13:58,945 INFO L168 Benchmark]: CACSL2BoogieTranslator took 135.60 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-23 13:13:58,946 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.89 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 945.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:13:58,946 INFO L168 Benchmark]: Boogie Preprocessor took 11.10 ms. Allocated memory is still 1.0 GB. Free memory is still 945.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:13:58,946 INFO L168 Benchmark]: RCFGBuilder took 196.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -168.1 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-23 13:13:58,946 INFO L168 Benchmark]: CodeCheck took 85116.60 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -134.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-23 13:13:58,947 INFO L168 Benchmark]: Witness Printer took 34.58 ms. Allocated memory is still 2.5 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:13:58,948 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, 14 locations, 4 error locations. SAFE Result, 83.8s OverallTime, 116 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 276958858 SDslu, 0 SDs, 0 SdLazy, 1160297550 SolverSat, -1905143496 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 75.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59035 GetRequests, 53143 SyntacticMatches, 4826 SemanticMatches, 1066 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 971069 ImplicationChecksByTransitivity, 80.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 21.1s InterpolantComputationTime, 5389 NumberOfCodeBlocks, 5389 NumberOfCodeBlocksAsserted, 115 NumberOfCheckSat, 5274 ConstructedInterpolants, 0 QuantifiedInterpolants, 931944 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 115 InterpolantComputations, 10 PerfectInterpolantSequences, 11932/29507 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: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((((((((((((((((y <= 32 && 31 < y) && x <= y + 2147483624) || ((30 < y && y <= 31) && x <= y + 2147483624)) || ((26 < y && y <= 27) && x <= 2 * y + 2147483593)) || ((x + y <= 2147483648 && y <= 39) && 38 < y)) || ((32 < y && y <= 33) && x <= y + 2147483624)) || ((y <= 35 && 34 < y) && x <= y + 2147483624)) || ((28 < y && y <= 29) && x <= y + 2147483624)) || ((35 < y && y <= 36) && x <= y + 2147483624)) || ((y <= 34 && 33 < y) && x <= y + 2147483624)) || ((25 < y && y <= 26) && x <= y + 2147483624)) || ((37 < y && x <= y + 2147483609) && y <= 38)) || ((29 < y && y <= 30) && x <= y + 2147483624)) || ((x <= 2 * y + 2147483591 && 27 < y) && y <= 28)) || ((23 <= y && y <= 23) && x <= y + 2147483624)) || ((36 < y && y <= 37) && x <= y + 2147483624)) || ((23 < y && y <= 24) && x <= 2 * y + 2147483599)) || ((x <= 2 * y + 2147483597 && y <= 25) && 24 < y)) || ((39 < y && x + 2 * y <= 2147483650) && y <= 2147483647) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 135.60 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.89 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 945.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.10 ms. Allocated memory is still 1.0 GB. Free memory is still 945.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 196.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -168.1 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * CodeCheck took 85116.60 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -134.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 34.58 ms. Allocated memory is still 2.5 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...