./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label49_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5c0d32c7-f6c2-4bce-9e2b-dd1afbb0860d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5c0d32c7-f6c2-4bce-9e2b-dd1afbb0860d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5c0d32c7-f6c2-4bce-9e2b-dd1afbb0860d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5c0d32c7-f6c2-4bce-9e2b-dd1afbb0860d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label49_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5c0d32c7-f6c2-4bce-9e2b-dd1afbb0860d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5c0d32c7-f6c2-4bce-9e2b-dd1afbb0860d/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 083cea80584760e424718c2c8c78f2ce2da05adc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:50:56,983 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 09:50:56,984 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 09:50:56,993 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 09:50:56,993 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 09:50:56,994 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 09:50:56,994 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 09:50:56,995 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 09:50:56,996 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 09:50:56,997 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 09:50:56,998 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 09:50:56,998 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 09:50:56,999 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 09:50:56,999 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 09:50:57,000 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 09:50:57,001 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 09:50:57,001 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 09:50:57,002 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 09:50:57,004 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 09:50:57,005 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 09:50:57,006 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 09:50:57,006 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 09:50:57,008 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 09:50:57,008 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 09:50:57,008 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 09:50:57,009 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 09:50:57,010 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 09:50:57,010 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 09:50:57,011 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 09:50:57,012 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 09:50:57,012 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 09:50:57,012 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 09:50:57,012 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 09:50:57,013 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 09:50:57,013 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 09:50:57,014 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 09:50:57,014 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5c0d32c7-f6c2-4bce-9e2b-dd1afbb0860d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 09:50:57,025 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 09:50:57,025 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 09:50:57,025 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 09:50:57,026 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 09:50:57,026 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 09:50:57,026 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 09:50:57,026 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 09:50:57,027 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 09:50:57,027 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 09:50:57,027 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 09:50:57,027 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 09:50:57,027 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 09:50:57,027 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 09:50:57,027 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 09:50:57,028 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 09:50:57,028 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 09:50:57,028 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 09:50:57,028 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 09:50:57,028 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 09:50:57,028 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 09:50:57,028 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 09:50:57,029 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 09:50:57,029 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 09:50:57,029 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 09:50:57,029 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 09:50:57,029 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 09:50:57,029 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 09:50:57,030 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 09:50:57,030 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 09:50:57,030 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_5c0d32c7-f6c2-4bce-9e2b-dd1afbb0860d/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 083cea80584760e424718c2c8c78f2ce2da05adc [2018-11-23 09:50:57,050 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 09:50:57,059 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 09:50:57,061 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 09:50:57,062 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 09:50:57,062 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 09:50:57,063 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5c0d32c7-f6c2-4bce-9e2b-dd1afbb0860d/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label49_true-unreach-call_false-termination.c [2018-11-23 09:50:57,097 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c0d32c7-f6c2-4bce-9e2b-dd1afbb0860d/bin-2019/ukojak/data/cffb41641/5cb9a33976a948fda9cb933f129617c2/FLAGe3c86e4a9 [2018-11-23 09:50:57,536 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 09:50:57,536 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5c0d32c7-f6c2-4bce-9e2b-dd1afbb0860d/sv-benchmarks/c/eca-rers2012/Problem01_label49_true-unreach-call_false-termination.c [2018-11-23 09:50:57,545 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5c0d32c7-f6c2-4bce-9e2b-dd1afbb0860d/bin-2019/ukojak/data/cffb41641/5cb9a33976a948fda9cb933f129617c2/FLAGe3c86e4a9 [2018-11-23 09:50:57,557 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5c0d32c7-f6c2-4bce-9e2b-dd1afbb0860d/bin-2019/ukojak/data/cffb41641/5cb9a33976a948fda9cb933f129617c2 [2018-11-23 09:50:57,560 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 09:50:57,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 09:50:57,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 09:50:57,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 09:50:57,565 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 09:50:57,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:50:57" (1/1) ... [2018-11-23 09:50:57,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22877cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:50:57, skipping insertion in model container [2018-11-23 09:50:57,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:50:57" (1/1) ... [2018-11-23 09:50:57,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 09:50:57,603 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 09:50:57,845 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 09:50:57,849 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 09:50:57,915 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 09:50:57,928 INFO L195 MainTranslator]: Completed translation [2018-11-23 09:50:57,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:50:57 WrapperNode [2018-11-23 09:50:57,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 09:50:57,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 09:50:57,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 09:50:57,929 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 09:50:57,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:50:57" (1/1) ... [2018-11-23 09:50:57,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:50:57" (1/1) ... [2018-11-23 09:50:58,035 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 09:50:58,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 09:50:58,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 09:50:58,035 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 09:50:58,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:50:57" (1/1) ... [2018-11-23 09:50:58,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:50:57" (1/1) ... [2018-11-23 09:50:58,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:50:57" (1/1) ... [2018-11-23 09:50:58,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:50:57" (1/1) ... [2018-11-23 09:50:58,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:50:57" (1/1) ... [2018-11-23 09:50:58,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:50:57" (1/1) ... [2018-11-23 09:50:58,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:50:57" (1/1) ... [2018-11-23 09:50:58,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 09:50:58,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 09:50:58,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 09:50:58,079 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 09:50:58,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:50:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5c0d32c7-f6c2-4bce-9e2b-dd1afbb0860d/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 09:50:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 09:50:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 09:50:58,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 09:50:59,759 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 09:50:59,759 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 09:50:59,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:50:59 BoogieIcfgContainer [2018-11-23 09:50:59,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 09:50:59,760 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 09:50:59,762 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 09:50:59,773 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 09:50:59,773 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:50:59" (1/1) ... [2018-11-23 09:50:59,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:50:59,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:50:59,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-11-23 09:50:59,826 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-11-23 09:50:59,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 09:50:59,831 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:50:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:00,149 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 09:51:00,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:00,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 145 states and 220 transitions. [2018-11-23 09:51:00,543 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2018-11-23 09:51:00,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 09:51:00,546 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:00,650 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:51:01,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:01,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 215 states and 313 transitions. [2018-11-23 09:51:01,012 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 313 transitions. [2018-11-23 09:51:01,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 09:51:01,013 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:01,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:01,077 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:51:01,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:01,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 220 states and 323 transitions. [2018-11-23 09:51:01,176 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 323 transitions. [2018-11-23 09:51:01,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 09:51:01,178 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:01,256 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:51:01,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:01,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 289 states and 395 transitions. [2018-11-23 09:51:01,667 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 395 transitions. [2018-11-23 09:51:01,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 09:51:01,669 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:01,690 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:51:01,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:01,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 292 states and 399 transitions. [2018-11-23 09:51:01,706 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 399 transitions. [2018-11-23 09:51:01,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 09:51:01,707 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:01,744 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:51:01,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:01,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 303 states and 415 transitions. [2018-11-23 09:51:01,923 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 415 transitions. [2018-11-23 09:51:01,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 09:51:01,927 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:01,971 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:51:02,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:02,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 304 states and 417 transitions. [2018-11-23 09:51:02,070 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 417 transitions. [2018-11-23 09:51:02,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 09:51:02,071 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:02,110 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:51:02,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:02,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 316 states and 434 transitions. [2018-11-23 09:51:02,405 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 434 transitions. [2018-11-23 09:51:02,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-23 09:51:02,407 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:02,476 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:51:02,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:02,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 330 states and 453 transitions. [2018-11-23 09:51:02,871 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 453 transitions. [2018-11-23 09:51:02,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-23 09:51:02,872 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:02,893 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 09:51:02,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:02,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 331 states and 455 transitions. [2018-11-23 09:51:02,988 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 455 transitions. [2018-11-23 09:51:02,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 09:51:02,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:03,005 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 09:51:03,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:03,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 332 states and 457 transitions. [2018-11-23 09:51:03,095 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 457 transitions. [2018-11-23 09:51:03,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-23 09:51:03,096 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:03,144 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:51:03,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:03,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 343 states and 469 transitions. [2018-11-23 09:51:03,592 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 469 transitions. [2018-11-23 09:51:03,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-23 09:51:03,592 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:03,611 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 09:51:03,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:03,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 356 states and 485 transitions. [2018-11-23 09:51:03,811 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 485 transitions. [2018-11-23 09:51:03,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 09:51:03,812 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:03,832 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:51:04,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:04,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 374 states and 507 transitions. [2018-11-23 09:51:04,251 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 507 transitions. [2018-11-23 09:51:04,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-23 09:51:04,252 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:04,274 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:51:04,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:04,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 382 states and 517 transitions. [2018-11-23 09:51:04,394 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 517 transitions. [2018-11-23 09:51:04,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-23 09:51:04,395 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:04,417 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:51:04,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:04,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 383 states and 518 transitions. [2018-11-23 09:51:04,430 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 518 transitions. [2018-11-23 09:51:04,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-23 09:51:04,431 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:04,454 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 09:51:04,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:04,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 390 states and 525 transitions. [2018-11-23 09:51:04,639 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 525 transitions. [2018-11-23 09:51:04,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-23 09:51:04,640 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:04,755 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:51:05,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:05,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 405 states and 544 transitions. [2018-11-23 09:51:05,115 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 544 transitions. [2018-11-23 09:51:05,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 09:51:05,116 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:05,159 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 09:51:05,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:05,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 418 states and 562 transitions. [2018-11-23 09:51:05,347 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 562 transitions. [2018-11-23 09:51:05,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 09:51:05,347 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:05,366 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:51:05,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:05,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 419 states and 564 transitions. [2018-11-23 09:51:05,393 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 564 transitions. [2018-11-23 09:51:05,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 09:51:05,394 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:05,443 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:51:05,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:05,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 427 states and 573 transitions. [2018-11-23 09:51:05,597 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 573 transitions. [2018-11-23 09:51:05,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 09:51:05,598 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:05,623 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:51:05,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:05,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 428 states and 575 transitions. [2018-11-23 09:51:05,650 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 575 transitions. [2018-11-23 09:51:05,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 09:51:05,651 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:05,680 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 09:51:06,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:06,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 443 states and 592 transitions. [2018-11-23 09:51:06,015 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 592 transitions. [2018-11-23 09:51:06,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 09:51:06,016 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:06,048 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 09:51:06,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:06,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 445 states and 593 transitions. [2018-11-23 09:51:06,114 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 593 transitions. [2018-11-23 09:51:06,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 09:51:06,114 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:06,129 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-23 09:51:06,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:06,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 446 states and 595 transitions. [2018-11-23 09:51:06,221 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 595 transitions. [2018-11-23 09:51:06,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-23 09:51:06,221 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:06,241 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 09:51:06,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:06,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 447 states and 597 transitions. [2018-11-23 09:51:06,252 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 597 transitions. [2018-11-23 09:51:06,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-23 09:51:06,253 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:06,267 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 09:51:06,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:06,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 449 states and 599 transitions. [2018-11-23 09:51:06,288 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 599 transitions. [2018-11-23 09:51:06,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 09:51:06,288 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:06,322 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 09:51:06,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:06,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 450 states and 600 transitions. [2018-11-23 09:51:06,466 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 600 transitions. [2018-11-23 09:51:06,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 09:51:06,467 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:06,500 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:51:07,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:07,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 467 states and 619 transitions. [2018-11-23 09:51:07,149 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 619 transitions. [2018-11-23 09:51:07,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 09:51:07,151 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:07,189 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:51:07,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:07,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 478 states and 629 transitions. [2018-11-23 09:51:07,502 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 629 transitions. [2018-11-23 09:51:07,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 09:51:07,503 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:07,524 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 09:51:07,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:07,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 483 states and 634 transitions. [2018-11-23 09:51:07,566 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 634 transitions. [2018-11-23 09:51:07,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 09:51:07,567 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:07,671 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:51:07,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:07,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 492 states and 643 transitions. [2018-11-23 09:51:07,916 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 643 transitions. [2018-11-23 09:51:07,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 09:51:07,917 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:08,020 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:51:08,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:08,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 562 states and 724 transitions. [2018-11-23 09:51:08,550 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 724 transitions. [2018-11-23 09:51:08,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-23 09:51:08,551 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:08,565 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 09:51:08,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:08,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 567 states and 729 transitions. [2018-11-23 09:51:08,604 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 729 transitions. [2018-11-23 09:51:08,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 09:51:08,605 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:08,631 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 09:51:08,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:08,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 575 states and 737 transitions. [2018-11-23 09:51:08,660 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 737 transitions. [2018-11-23 09:51:08,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 09:51:08,660 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:08,700 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 09:51:08,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:08,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 585 states and 747 transitions. [2018-11-23 09:51:08,744 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 747 transitions. [2018-11-23 09:51:08,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 09:51:08,744 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:08,764 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 09:51:08,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:08,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 586 states and 748 transitions. [2018-11-23 09:51:08,793 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 748 transitions. [2018-11-23 09:51:08,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 09:51:08,794 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:08,818 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:51:09,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:09,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 590 states and 757 transitions. [2018-11-23 09:51:09,131 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 757 transitions. [2018-11-23 09:51:09,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 09:51:09,131 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:09,155 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:51:09,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:09,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 595 states and 761 transitions. [2018-11-23 09:51:09,320 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 761 transitions. [2018-11-23 09:51:09,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-23 09:51:09,320 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:09,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:09,400 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:51:09,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:09,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 603 states and 772 transitions. [2018-11-23 09:51:09,834 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 772 transitions. [2018-11-23 09:51:09,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-23 09:51:09,835 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:09,856 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:51:09,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:09,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 606 states and 777 transitions. [2018-11-23 09:51:09,971 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 777 transitions. [2018-11-23 09:51:09,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-23 09:51:09,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:10,006 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:51:10,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:10,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 629 states and 804 transitions. [2018-11-23 09:51:10,129 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 804 transitions. [2018-11-23 09:51:10,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 09:51:10,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:10,472 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 09:51:11,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:11,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 638 states and 825 transitions. [2018-11-23 09:51:11,606 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 825 transitions. [2018-11-23 09:51:11,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-23 09:51:11,607 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:11,626 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:51:11,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:11,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 640 states and 828 transitions. [2018-11-23 09:51:11,738 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 828 transitions. [2018-11-23 09:51:11,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-23 09:51:11,739 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:11,756 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:51:11,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:11,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 641 states and 828 transitions. [2018-11-23 09:51:11,772 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 828 transitions. [2018-11-23 09:51:11,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-23 09:51:11,773 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:11,790 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:51:11,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:11,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 644 states and 831 transitions. [2018-11-23 09:51:11,807 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 831 transitions. [2018-11-23 09:51:11,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-23 09:51:11,808 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:12,407 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:51:14,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:14,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 700 states and 893 transitions. [2018-11-23 09:51:14,014 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 893 transitions. [2018-11-23 09:51:14,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-23 09:51:14,014 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:14,058 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 09:51:14,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:14,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 715 states and 913 transitions. [2018-11-23 09:51:14,501 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 913 transitions. [2018-11-23 09:51:14,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-23 09:51:14,502 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:14,525 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 09:51:14,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:14,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 717 states and 915 transitions. [2018-11-23 09:51:14,556 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 915 transitions. [2018-11-23 09:51:14,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-23 09:51:14,556 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:14,574 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 09:51:14,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:14,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 720 states and 919 transitions. [2018-11-23 09:51:14,604 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 919 transitions. [2018-11-23 09:51:14,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-23 09:51:14,605 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:14,623 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 09:51:15,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:15,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 742 states and 940 transitions. [2018-11-23 09:51:15,240 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 940 transitions. [2018-11-23 09:51:15,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-23 09:51:15,241 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:15,269 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:51:15,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:15,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 773 states and 971 transitions. [2018-11-23 09:51:15,380 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 971 transitions. [2018-11-23 09:51:15,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-23 09:51:15,381 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:15,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:15,411 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 09:51:15,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:15,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 774 states and 972 transitions. [2018-11-23 09:51:15,445 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 972 transitions. [2018-11-23 09:51:15,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-23 09:51:15,446 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:15,475 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 09:51:15,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:15,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 787 states and 985 transitions. [2018-11-23 09:51:15,568 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 985 transitions. [2018-11-23 09:51:15,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 09:51:15,569 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:15,622 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 09:51:15,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:15,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 792 states and 997 transitions. [2018-11-23 09:51:15,995 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 997 transitions. [2018-11-23 09:51:15,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-23 09:51:15,995 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:16,058 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 69 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 09:51:16,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:16,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 860 states and 1077 transitions. [2018-11-23 09:51:16,828 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1077 transitions. [2018-11-23 09:51:16,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-23 09:51:16,829 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:16,900 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 69 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 09:51:17,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:17,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 925 states and 1144 transitions. [2018-11-23 09:51:17,371 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1144 transitions. [2018-11-23 09:51:17,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-23 09:51:17,372 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:17,402 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 09:51:17,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:17,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 936 states and 1162 transitions. [2018-11-23 09:51:17,779 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1162 transitions. [2018-11-23 09:51:17,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-23 09:51:17,780 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:17,810 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-23 09:51:18,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:18,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 942 states and 1172 transitions. [2018-11-23 09:51:18,182 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1172 transitions. [2018-11-23 09:51:18,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-23 09:51:18,183 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:18,221 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-23 09:51:18,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:18,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 954 states and 1185 transitions. [2018-11-23 09:51:18,487 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1185 transitions. [2018-11-23 09:51:18,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-23 09:51:18,487 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:18,718 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 120 proven. 1 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-23 09:51:19,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:19,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 965 states and 1204 transitions. [2018-11-23 09:51:19,708 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1204 transitions. [2018-11-23 09:51:19,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-23 09:51:19,709 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:19,795 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 120 proven. 1 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-23 09:51:20,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:20,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 966 states and 1208 transitions. [2018-11-23 09:51:20,001 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1208 transitions. [2018-11-23 09:51:20,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-23 09:51:20,002 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:20,915 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 09:51:22,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:22,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 989 states and 1234 transitions. [2018-11-23 09:51:22,064 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1234 transitions. [2018-11-23 09:51:22,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-23 09:51:22,064 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:22,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:22,090 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 09:51:22,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:22,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 992 states and 1237 transitions. [2018-11-23 09:51:22,193 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1237 transitions. [2018-11-23 09:51:22,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-23 09:51:22,194 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:22,670 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 09:51:25,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:25,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1087 states and 1356 transitions. [2018-11-23 09:51:25,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1356 transitions. [2018-11-23 09:51:25,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-23 09:51:25,500 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:25,528 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 09:51:26,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:26,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1110 states and 1383 transitions. [2018-11-23 09:51:26,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1383 transitions. [2018-11-23 09:51:26,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-23 09:51:26,040 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:26,076 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-23 09:51:27,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:27,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1145 states and 1427 transitions. [2018-11-23 09:51:27,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1427 transitions. [2018-11-23 09:51:27,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-23 09:51:27,032 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:27,067 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-23 09:51:27,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:27,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1169 states and 1458 transitions. [2018-11-23 09:51:27,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1458 transitions. [2018-11-23 09:51:27,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-23 09:51:27,754 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:28,892 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 09:51:30,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:30,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1170 states and 1461 transitions. [2018-11-23 09:51:30,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1461 transitions. [2018-11-23 09:51:30,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-23 09:51:30,046 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:30,167 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 09:51:30,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:30,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1182 states and 1473 transitions. [2018-11-23 09:51:30,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1473 transitions. [2018-11-23 09:51:30,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-23 09:51:30,669 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:30,725 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 09:51:31,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:31,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1194 states and 1490 transitions. [2018-11-23 09:51:31,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1490 transitions. [2018-11-23 09:51:31,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-23 09:51:31,067 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:31,102 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 09:51:31,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:31,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1195 states and 1492 transitions. [2018-11-23 09:51:31,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1492 transitions. [2018-11-23 09:51:31,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-23 09:51:31,345 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:31,423 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 09:51:31,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:31,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1196 states and 1494 transitions. [2018-11-23 09:51:31,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1494 transitions. [2018-11-23 09:51:31,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-23 09:51:31,660 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:31,701 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 09:51:31,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:31,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1197 states and 1496 transitions. [2018-11-23 09:51:31,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1496 transitions. [2018-11-23 09:51:31,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-23 09:51:31,955 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:31,989 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-23 09:51:32,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:32,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 1201 states and 1501 transitions. [2018-11-23 09:51:32,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1501 transitions. [2018-11-23 09:51:32,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-23 09:51:32,212 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:32,285 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 09:51:33,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:33,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1579 states to 1272 states and 1579 transitions. [2018-11-23 09:51:33,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1579 transitions. [2018-11-23 09:51:33,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-23 09:51:33,387 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:33,422 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 09:51:33,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:33,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1276 states and 1585 transitions. [2018-11-23 09:51:33,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1585 transitions. [2018-11-23 09:51:33,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-23 09:51:33,685 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:33,721 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-11-23 09:51:34,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:34,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1286 states and 1603 transitions. [2018-11-23 09:51:34,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1603 transitions. [2018-11-23 09:51:34,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-23 09:51:34,857 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:36,092 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 09:51:38,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:38,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1315 states and 1638 transitions. [2018-11-23 09:51:38,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1638 transitions. [2018-11-23 09:51:38,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-23 09:51:38,113 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:38,622 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 09:51:40,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:40,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1383 states and 1714 transitions. [2018-11-23 09:51:40,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 1714 transitions. [2018-11-23 09:51:40,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 09:51:40,412 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:40,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:40,962 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 233 proven. 27 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-11-23 09:51:41,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:41,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1387 states and 1724 transitions. [2018-11-23 09:51:41,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1724 transitions. [2018-11-23 09:51:41,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 09:51:41,860 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:41,923 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-11-23 09:51:42,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:42,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1388 states and 1724 transitions. [2018-11-23 09:51:42,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 1724 transitions. [2018-11-23 09:51:42,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 09:51:42,243 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:42,323 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-11-23 09:51:42,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:42,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1389 states and 1724 transitions. [2018-11-23 09:51:42,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 1724 transitions. [2018-11-23 09:51:42,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 09:51:42,599 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:42,655 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-11-23 09:51:42,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:42,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1390 states and 1724 transitions. [2018-11-23 09:51:42,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 1724 transitions. [2018-11-23 09:51:43,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-23 09:51:43,000 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:43,056 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-11-23 09:51:43,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:43,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1391 states and 1724 transitions. [2018-11-23 09:51:43,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1724 transitions. [2018-11-23 09:51:43,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-23 09:51:43,332 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:43,915 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 09:51:45,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:45,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 1407 states and 1744 transitions. [2018-11-23 09:51:45,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 1744 transitions. [2018-11-23 09:51:45,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-23 09:51:45,159 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:45,315 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 09:51:45,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:45,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1408 states and 1743 transitions. [2018-11-23 09:51:45,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 1743 transitions. [2018-11-23 09:51:45,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-23 09:51:45,867 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:46,103 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 165 proven. 10 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-11-23 09:51:48,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:48,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1769 states to 1427 states and 1769 transitions. [2018-11-23 09:51:48,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1427 states and 1769 transitions. [2018-11-23 09:51:48,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-23 09:51:48,136 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:48,242 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 165 proven. 10 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-11-23 09:51:48,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:48,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 1433 states and 1777 transitions. [2018-11-23 09:51:48,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 1777 transitions. [2018-11-23 09:51:48,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-23 09:51:48,843 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:48,896 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 244 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-11-23 09:51:49,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:49,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1445 states and 1795 transitions. [2018-11-23 09:51:49,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1795 transitions. [2018-11-23 09:51:49,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 09:51:49,891 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:49,964 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 18 proven. 138 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-23 09:51:51,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:51,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1514 states and 1870 transitions. [2018-11-23 09:51:51,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 1870 transitions. [2018-11-23 09:51:51,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 09:51:51,307 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:51,398 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 18 proven. 138 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-23 09:51:51,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:51,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1515 states and 1870 transitions. [2018-11-23 09:51:51,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 1870 transitions. [2018-11-23 09:51:51,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 09:51:51,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:51,720 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 18 proven. 138 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-23 09:51:51,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:51,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1516 states and 1870 transitions. [2018-11-23 09:51:51,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 1870 transitions. [2018-11-23 09:51:51,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 09:51:51,989 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:52,055 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 18 proven. 138 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-23 09:51:52,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:52,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1517 states and 1870 transitions. [2018-11-23 09:51:52,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 1870 transitions. [2018-11-23 09:51:52,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 09:51:52,386 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:52,461 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 18 proven. 138 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-23 09:51:52,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:52,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1518 states and 1870 transitions. [2018-11-23 09:51:52,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1870 transitions. [2018-11-23 09:51:52,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-23 09:51:52,718 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:53,506 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 239 proven. 8 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-11-23 09:51:54,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:54,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1883 states to 1530 states and 1883 transitions. [2018-11-23 09:51:54,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1530 states and 1883 transitions. [2018-11-23 09:51:54,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-23 09:51:54,661 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:54,714 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-23 09:51:55,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:55,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 1532 states and 1885 transitions. [2018-11-23 09:51:55,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1885 transitions. [2018-11-23 09:51:55,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-23 09:51:55,105 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:55,154 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-11-23 09:51:56,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:56,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1944 states to 1590 states and 1944 transitions. [2018-11-23 09:51:56,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1590 states and 1944 transitions. [2018-11-23 09:51:56,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-23 09:51:56,304 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:56,361 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 178 proven. 3 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-11-23 09:51:57,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:57,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2018 states to 1656 states and 2018 transitions. [2018-11-23 09:51:57,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 2018 transitions. [2018-11-23 09:51:57,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-11-23 09:51:57,865 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:57,995 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 268 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-11-23 09:51:58,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:58,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2019 states to 1657 states and 2019 transitions. [2018-11-23 09:51:58,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1657 states and 2019 transitions. [2018-11-23 09:51:58,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-23 09:51:58,320 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:58,360 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-11-23 09:51:58,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:58,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2031 states to 1665 states and 2031 transitions. [2018-11-23 09:51:58,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 2031 transitions. [2018-11-23 09:51:58,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-23 09:51:58,832 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:58,911 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-11-23 09:51:59,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:59,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2034 states to 1669 states and 2034 transitions. [2018-11-23 09:51:59,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2034 transitions. [2018-11-23 09:51:59,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-11-23 09:51:59,236 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:59,299 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-11-23 09:51:59,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:51:59,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 1672 states and 2038 transitions. [2018-11-23 09:51:59,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2038 transitions. [2018-11-23 09:51:59,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-11-23 09:51:59,787 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:51:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:51:59,836 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-11-23 09:52:00,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:00,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 1673 states and 2038 transitions. [2018-11-23 09:52:00,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 2038 transitions. [2018-11-23 09:52:00,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-23 09:52:00,201 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:00,242 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-11-23 09:52:00,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:00,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2075 states to 1707 states and 2075 transitions. [2018-11-23 09:52:00,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2075 transitions. [2018-11-23 09:52:00,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-23 09:52:00,882 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:00,924 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-11-23 09:52:01,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:01,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2094 states to 1727 states and 2094 transitions. [2018-11-23 09:52:01,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2094 transitions. [2018-11-23 09:52:01,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-23 09:52:01,198 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:01,239 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-11-23 09:52:01,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:01,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2118 states to 1752 states and 2118 transitions. [2018-11-23 09:52:01,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 2118 transitions. [2018-11-23 09:52:01,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-23 09:52:01,325 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:01,364 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-11-23 09:52:02,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:02,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2129 states to 1762 states and 2129 transitions. [2018-11-23 09:52:02,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 2129 transitions. [2018-11-23 09:52:02,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-23 09:52:02,142 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:02,839 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2018-11-23 09:52:04,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:04,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 1797 states and 2170 transitions. [2018-11-23 09:52:04,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1797 states and 2170 transitions. [2018-11-23 09:52:04,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-11-23 09:52:04,991 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:05,060 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 168 proven. 4 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-11-23 09:52:05,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:05,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 1798 states and 2170 transitions. [2018-11-23 09:52:05,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 2170 transitions. [2018-11-23 09:52:05,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-11-23 09:52:05,452 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:05,875 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 183 proven. 11 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-11-23 09:52:06,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:06,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 1800 states and 2172 transitions. [2018-11-23 09:52:06,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 2172 transitions. [2018-11-23 09:52:06,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-23 09:52:06,373 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:06,521 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 279 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-23 09:52:08,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:08,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 1829 states and 2203 transitions. [2018-11-23 09:52:08,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1829 states and 2203 transitions. [2018-11-23 09:52:08,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-23 09:52:08,361 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:08,500 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 279 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-23 09:52:08,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:08,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2204 states to 1830 states and 2204 transitions. [2018-11-23 09:52:08,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2204 transitions. [2018-11-23 09:52:08,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-23 09:52:08,798 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:09,621 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 214 proven. 32 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 09:52:14,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:14,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 1892 states and 2281 transitions. [2018-11-23 09:52:14,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1892 states and 2281 transitions. [2018-11-23 09:52:14,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-23 09:52:14,581 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:14,833 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 214 proven. 32 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 09:52:16,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:16,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2316 states to 1924 states and 2316 transitions. [2018-11-23 09:52:16,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1924 states and 2316 transitions. [2018-11-23 09:52:16,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-23 09:52:16,822 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:17,064 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 214 proven. 32 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 09:52:17,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:17,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2316 states to 1925 states and 2316 transitions. [2018-11-23 09:52:17,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1925 states and 2316 transitions. [2018-11-23 09:52:17,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-23 09:52:17,387 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:17,469 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-11-23 09:52:21,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:21,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2380 states to 1980 states and 2380 transitions. [2018-11-23 09:52:21,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1980 states and 2380 transitions. [2018-11-23 09:52:21,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-23 09:52:21,033 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:21,283 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 214 proven. 32 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 09:52:22,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:22,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2405 states to 2005 states and 2405 transitions. [2018-11-23 09:52:22,287 INFO L276 IsEmpty]: Start isEmpty. Operand 2005 states and 2405 transitions. [2018-11-23 09:52:22,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-23 09:52:22,289 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:22,348 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-11-23 09:52:22,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:22,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2429 states to 2030 states and 2429 transitions. [2018-11-23 09:52:22,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2030 states and 2429 transitions. [2018-11-23 09:52:22,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-23 09:52:22,886 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:22,941 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 244 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-11-23 09:52:23,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:23,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2436 states to 2037 states and 2436 transitions. [2018-11-23 09:52:23,155 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states and 2436 transitions. [2018-11-23 09:52:23,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-23 09:52:23,157 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:24,898 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-23 09:52:27,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:27,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 2041 states and 2444 transitions. [2018-11-23 09:52:27,052 INFO L276 IsEmpty]: Start isEmpty. Operand 2041 states and 2444 transitions. [2018-11-23 09:52:27,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-11-23 09:52:27,053 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:27,224 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2018-11-23 09:52:29,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:29,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 2069 states and 2474 transitions. [2018-11-23 09:52:29,078 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2474 transitions. [2018-11-23 09:52:29,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-11-23 09:52:29,079 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:29,195 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2018-11-23 09:52:29,402 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2018-11-23 09:52:30,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:30,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2089 states and 2493 transitions. [2018-11-23 09:52:30,355 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2493 transitions. [2018-11-23 09:52:30,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-11-23 09:52:30,356 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:30,413 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-11-23 09:52:31,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:31,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2102 states and 2507 transitions. [2018-11-23 09:52:31,233 INFO L276 IsEmpty]: Start isEmpty. Operand 2102 states and 2507 transitions. [2018-11-23 09:52:31,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-11-23 09:52:31,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:31,289 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-11-23 09:52:32,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:32,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2511 states to 2107 states and 2511 transitions. [2018-11-23 09:52:32,007 INFO L276 IsEmpty]: Start isEmpty. Operand 2107 states and 2511 transitions. [2018-11-23 09:52:32,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-23 09:52:32,008 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:32,067 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-11-23 09:52:32,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:32,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2538 states to 2135 states and 2538 transitions. [2018-11-23 09:52:32,310 INFO L276 IsEmpty]: Start isEmpty. Operand 2135 states and 2538 transitions. [2018-11-23 09:52:32,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-23 09:52:32,311 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:32,371 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-11-23 09:52:32,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:32,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 2156 states and 2558 transitions. [2018-11-23 09:52:32,448 INFO L276 IsEmpty]: Start isEmpty. Operand 2156 states and 2558 transitions. [2018-11-23 09:52:32,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-23 09:52:32,450 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:32,531 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-11-23 09:52:32,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:32,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2586 states to 2184 states and 2586 transitions. [2018-11-23 09:52:32,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2184 states and 2586 transitions. [2018-11-23 09:52:32,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-23 09:52:32,795 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:32,854 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-11-23 09:52:33,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:33,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2652 states to 2249 states and 2652 transitions. [2018-11-23 09:52:33,426 INFO L276 IsEmpty]: Start isEmpty. Operand 2249 states and 2652 transitions. [2018-11-23 09:52:33,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-23 09:52:33,427 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:33,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:33,487 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2018-11-23 09:52:33,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:33,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2314 states and 2716 transitions. [2018-11-23 09:52:33,968 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 2716 transitions. [2018-11-23 09:52:33,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-11-23 09:52:33,969 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:34,914 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 14 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-11-23 09:52:37,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:37,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2729 states to 2324 states and 2729 transitions. [2018-11-23 09:52:37,444 INFO L276 IsEmpty]: Start isEmpty. Operand 2324 states and 2729 transitions. [2018-11-23 09:52:37,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-23 09:52:37,445 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:37,573 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-23 09:52:38,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:38,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2733 states to 2327 states and 2733 transitions. [2018-11-23 09:52:38,127 INFO L276 IsEmpty]: Start isEmpty. Operand 2327 states and 2733 transitions. [2018-11-23 09:52:38,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-23 09:52:38,129 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:38,253 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-23 09:52:39,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:39,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2354 states and 2762 transitions. [2018-11-23 09:52:39,935 INFO L276 IsEmpty]: Start isEmpty. Operand 2354 states and 2762 transitions. [2018-11-23 09:52:39,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-23 09:52:39,936 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:40,531 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 88 proven. 314 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-23 09:52:42,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:42,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2863 states to 2446 states and 2863 transitions. [2018-11-23 09:52:42,747 INFO L276 IsEmpty]: Start isEmpty. Operand 2446 states and 2863 transitions. [2018-11-23 09:52:42,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 09:52:42,748 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:42,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:43,199 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 09:52:44,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:44,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2879 states to 2463 states and 2879 transitions. [2018-11-23 09:52:44,360 INFO L276 IsEmpty]: Start isEmpty. Operand 2463 states and 2879 transitions. [2018-11-23 09:52:44,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 09:52:44,361 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:44,639 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 09:52:45,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:45,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2883 states to 2467 states and 2883 transitions. [2018-11-23 09:52:45,495 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 2883 transitions. [2018-11-23 09:52:45,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 09:52:45,497 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:45,781 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 09:52:46,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:46,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2896 states to 2481 states and 2896 transitions. [2018-11-23 09:52:46,272 INFO L276 IsEmpty]: Start isEmpty. Operand 2481 states and 2896 transitions. [2018-11-23 09:52:46,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-23 09:52:46,273 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:46,425 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-23 09:52:47,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:47,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2898 states to 2483 states and 2898 transitions. [2018-11-23 09:52:47,519 INFO L276 IsEmpty]: Start isEmpty. Operand 2483 states and 2898 transitions. [2018-11-23 09:52:47,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-23 09:52:47,520 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:47,655 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-23 09:52:48,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:48,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2900 states to 2486 states and 2900 transitions. [2018-11-23 09:52:48,091 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 2900 transitions. [2018-11-23 09:52:48,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-23 09:52:48,092 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:48,222 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 09:52:49,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:49,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2497 states and 2914 transitions. [2018-11-23 09:52:49,779 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 2914 transitions. [2018-11-23 09:52:49,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-23 09:52:49,780 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:49,908 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 09:52:53,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:53,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2952 states to 2537 states and 2952 transitions. [2018-11-23 09:52:53,015 INFO L276 IsEmpty]: Start isEmpty. Operand 2537 states and 2952 transitions. [2018-11-23 09:52:53,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-23 09:52:53,016 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:53,191 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 316 proven. 13 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-11-23 09:52:53,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:52:53,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2955 states to 2540 states and 2955 transitions. [2018-11-23 09:52:53,637 INFO L276 IsEmpty]: Start isEmpty. Operand 2540 states and 2955 transitions. [2018-11-23 09:52:53,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 09:52:53,638 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:52:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:52:55,050 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 09:53:01,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:53:01,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3011 states to 2592 states and 3011 transitions. [2018-11-23 09:53:01,168 INFO L276 IsEmpty]: Start isEmpty. Operand 2592 states and 3011 transitions. [2018-11-23 09:53:01,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 09:53:01,169 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:53:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:53:01,301 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 09:53:02,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:53:02,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3022 states to 2604 states and 3022 transitions. [2018-11-23 09:53:02,953 INFO L276 IsEmpty]: Start isEmpty. Operand 2604 states and 3022 transitions. [2018-11-23 09:53:02,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-23 09:53:02,954 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:53:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:53:03,174 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-23 09:53:03,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:53:03,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3024 states to 2606 states and 3024 transitions. [2018-11-23 09:53:03,510 INFO L276 IsEmpty]: Start isEmpty. Operand 2606 states and 3024 transitions. [2018-11-23 09:53:03,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-23 09:53:03,511 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:53:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:53:03,608 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 24 proven. 207 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2018-11-23 09:53:05,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:53:05,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3136 states to 2712 states and 3136 transitions. [2018-11-23 09:53:05,245 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3136 transitions. [2018-11-23 09:53:05,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-23 09:53:05,246 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:53:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:53:05,356 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 24 proven. 207 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2018-11-23 09:53:06,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:53:06,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3201 states to 2778 states and 3201 transitions. [2018-11-23 09:53:06,301 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 3201 transitions. [2018-11-23 09:53:06,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-11-23 09:53:06,303 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:53:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:53:07,222 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 09:53:08,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:53:08,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3202 states to 2779 states and 3202 transitions. [2018-11-23 09:53:08,103 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3202 transitions. [2018-11-23 09:53:08,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-23 09:53:08,104 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:53:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:53:08,201 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 328 proven. 4 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2018-11-23 09:53:08,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:53:08,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3209 states to 2783 states and 3209 transitions. [2018-11-23 09:53:08,903 INFO L276 IsEmpty]: Start isEmpty. Operand 2783 states and 3209 transitions. [2018-11-23 09:53:08,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-11-23 09:53:08,906 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:53:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:53:10,950 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-23 09:53:16,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:53:16,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3254 states to 2811 states and 3254 transitions. [2018-11-23 09:53:16,787 INFO L276 IsEmpty]: Start isEmpty. Operand 2811 states and 3254 transitions. [2018-11-23 09:53:16,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-11-23 09:53:16,789 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:53:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:53:17,572 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 09:53:19,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:53:19,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3263 states to 2818 states and 3263 transitions. [2018-11-23 09:53:19,285 INFO L276 IsEmpty]: Start isEmpty. Operand 2818 states and 3263 transitions. [2018-11-23 09:53:19,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-11-23 09:53:19,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:53:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:53:19,448 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 09:53:21,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:53:21,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3271 states to 2824 states and 3271 transitions. [2018-11-23 09:53:21,914 INFO L276 IsEmpty]: Start isEmpty. Operand 2824 states and 3271 transitions. [2018-11-23 09:53:21,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-11-23 09:53:21,915 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:53:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:53:22,171 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 09:53:25,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:53:25,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3301 states to 2853 states and 3301 transitions. [2018-11-23 09:53:25,152 INFO L276 IsEmpty]: Start isEmpty. Operand 2853 states and 3301 transitions. [2018-11-23 09:53:25,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-11-23 09:53:25,154 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:53:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:53:25,315 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 09:53:25,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:53:25,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3306 states to 2858 states and 3306 transitions. [2018-11-23 09:53:25,874 INFO L276 IsEmpty]: Start isEmpty. Operand 2858 states and 3306 transitions. [2018-11-23 09:53:25,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-11-23 09:53:25,876 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:53:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:53:27,236 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 424 proven. 104 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-23 09:53:27,963 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-11-23 09:53:39,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:53:39,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3403 states to 2931 states and 3403 transitions. [2018-11-23 09:53:39,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2931 states and 3403 transitions. [2018-11-23 09:53:39,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-11-23 09:53:39,853 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:53:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:53:40,283 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 424 proven. 104 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-23 09:53:47,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:53:47,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3489 states to 3006 states and 3489 transitions. [2018-11-23 09:53:47,764 INFO L276 IsEmpty]: Start isEmpty. Operand 3006 states and 3489 transitions. [2018-11-23 09:53:47,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-11-23 09:53:47,765 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:53:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:53:48,194 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 424 proven. 104 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-23 09:53:50,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:53:50,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3538 states to 3053 states and 3538 transitions. [2018-11-23 09:53:50,441 INFO L276 IsEmpty]: Start isEmpty. Operand 3053 states and 3538 transitions. [2018-11-23 09:53:50,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-11-23 09:53:50,443 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:53:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:53:50,914 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 424 proven. 104 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-23 09:53:51,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:53:51,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3539 states to 3054 states and 3539 transitions. [2018-11-23 09:53:51,228 INFO L276 IsEmpty]: Start isEmpty. Operand 3054 states and 3539 transitions. [2018-11-23 09:53:51,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-11-23 09:53:51,229 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:53:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:53:51,654 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 424 proven. 104 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-23 09:53:52,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:53:52,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3541 states to 3055 states and 3541 transitions. [2018-11-23 09:53:52,388 INFO L276 IsEmpty]: Start isEmpty. Operand 3055 states and 3541 transitions. [2018-11-23 09:53:52,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-11-23 09:53:52,390 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:53:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:53:52,950 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 424 proven. 104 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-23 09:53:53,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:53:53,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3572 states to 3083 states and 3572 transitions. [2018-11-23 09:53:53,932 INFO L276 IsEmpty]: Start isEmpty. Operand 3083 states and 3572 transitions. [2018-11-23 09:53:53,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-11-23 09:53:53,934 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:53:53,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:53:54,035 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 366 proven. 4 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2018-11-23 09:53:54,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:53:54,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3573 states to 3084 states and 3573 transitions. [2018-11-23 09:53:54,451 INFO L276 IsEmpty]: Start isEmpty. Operand 3084 states and 3573 transitions. [2018-11-23 09:53:54,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-11-23 09:53:54,452 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:53:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:53:55,270 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 515 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-23 09:53:55,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:53:55,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3571 states to 3083 states and 3571 transitions. [2018-11-23 09:53:55,702 INFO L276 IsEmpty]: Start isEmpty. Operand 3083 states and 3571 transitions. [2018-11-23 09:53:55,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-11-23 09:53:55,704 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:53:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:53:58,788 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 539 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-23 09:54:03,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:54:03,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3583 states to 3093 states and 3583 transitions. [2018-11-23 09:54:03,347 INFO L276 IsEmpty]: Start isEmpty. Operand 3093 states and 3583 transitions. [2018-11-23 09:54:03,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-11-23 09:54:03,349 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:54:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:54:03,686 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 539 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-23 09:54:04,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:54:04,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3585 states to 3094 states and 3585 transitions. [2018-11-23 09:54:04,393 INFO L276 IsEmpty]: Start isEmpty. Operand 3094 states and 3585 transitions. [2018-11-23 09:54:04,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-11-23 09:54:04,395 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:54:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:54:04,636 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 539 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-23 09:54:09,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:54:09,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3613 states to 3118 states and 3613 transitions. [2018-11-23 09:54:09,424 INFO L276 IsEmpty]: Start isEmpty. Operand 3118 states and 3613 transitions. [2018-11-23 09:54:09,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-11-23 09:54:09,426 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:54:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:54:09,643 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 539 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-23 09:54:11,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:54:11,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3621 states to 3125 states and 3621 transitions. [2018-11-23 09:54:11,665 INFO L276 IsEmpty]: Start isEmpty. Operand 3125 states and 3621 transitions. [2018-11-23 09:54:11,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-11-23 09:54:11,667 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:54:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:54:11,883 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 539 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-23 09:54:13,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:54:13,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3632 states to 3138 states and 3632 transitions. [2018-11-23 09:54:13,793 INFO L276 IsEmpty]: Start isEmpty. Operand 3138 states and 3632 transitions. [2018-11-23 09:54:13,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-11-23 09:54:13,795 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:54:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:54:14,134 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 539 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-23 09:54:15,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:54:15,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3637 states to 3144 states and 3637 transitions. [2018-11-23 09:54:15,130 INFO L276 IsEmpty]: Start isEmpty. Operand 3144 states and 3637 transitions. [2018-11-23 09:54:15,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-11-23 09:54:15,132 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:54:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:54:15,546 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 173 proven. 423 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-11-23 09:54:16,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:54:16,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3647 states to 3149 states and 3647 transitions. [2018-11-23 09:54:16,506 INFO L276 IsEmpty]: Start isEmpty. Operand 3149 states and 3647 transitions. [2018-11-23 09:54:16,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-11-23 09:54:16,508 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:54:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:54:16,924 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 173 proven. 423 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-11-23 09:54:18,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:54:18,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3714 states to 3215 states and 3714 transitions. [2018-11-23 09:54:18,040 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 3714 transitions. [2018-11-23 09:54:18,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-11-23 09:54:18,042 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:54:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:54:18,432 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 173 proven. 423 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-11-23 09:54:19,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:54:19,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3754 states to 3252 states and 3754 transitions. [2018-11-23 09:54:19,051 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 3754 transitions. [2018-11-23 09:54:19,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-11-23 09:54:19,053 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:54:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:54:19,356 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2018-11-23 09:54:20,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:54:20,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3786 states to 3285 states and 3786 transitions. [2018-11-23 09:54:20,472 INFO L276 IsEmpty]: Start isEmpty. Operand 3285 states and 3786 transitions. [2018-11-23 09:54:20,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-11-23 09:54:20,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:54:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:54:20,957 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 375 proven. 8 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2018-11-23 09:54:22,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:54:22,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3887 states to 3385 states and 3887 transitions. [2018-11-23 09:54:22,877 INFO L276 IsEmpty]: Start isEmpty. Operand 3385 states and 3887 transitions. [2018-11-23 09:54:22,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-11-23 09:54:22,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:54:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:54:23,023 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 381 proven. 8 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2018-11-23 09:54:23,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:54:23,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3890 states to 3388 states and 3890 transitions. [2018-11-23 09:54:23,496 INFO L276 IsEmpty]: Start isEmpty. Operand 3388 states and 3890 transitions. [2018-11-23 09:54:23,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-11-23 09:54:23,498 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:54:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:54:23,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 258 proven. 532 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2018-11-23 09:54:24,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:54:24,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3894 states to 3391 states and 3894 transitions. [2018-11-23 09:54:24,437 INFO L276 IsEmpty]: Start isEmpty. Operand 3391 states and 3894 transitions. [2018-11-23 09:54:24,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-11-23 09:54:24,439 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 09:54:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:54:24,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 258 proven. 532 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2018-11-23 09:54:25,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 09:54:25,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3747 states to 3249 states and 3747 transitions. [2018-11-23 09:54:25,208 INFO L276 IsEmpty]: Start isEmpty. Operand 3249 states and 3747 transitions. [2018-11-23 09:54:25,209 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 09:54:25,210 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 177 iterations. [2018-11-23 09:54:25,216 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 09:54:25,388 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 41 [2018-11-23 09:54:25,553 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 41 [2018-11-23 09:54:25,761 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 41 [2018-11-23 09:54:25,904 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 39 [2018-11-23 09:54:26,031 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 16 [2018-11-23 09:54:26,239 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 42 [2018-11-23 09:54:26,356 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 16 [2018-11-23 09:54:26,604 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 43 [2018-11-23 09:54:26,800 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 41 [2018-11-23 09:54:27,223 WARN L180 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 16 [2018-11-23 09:54:27,379 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 41 [2018-11-23 09:54:27,607 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 43 [2018-11-23 09:54:27,728 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 39 [2018-11-23 09:54:27,933 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 43 [2018-11-23 09:54:28,141 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 41 [2018-11-23 09:54:28,264 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 39 [2018-11-23 09:54:28,457 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 41 [2018-11-23 09:54:28,758 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 41 [2018-11-23 09:54:28,895 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 39 [2018-11-23 09:54:29,104 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 42 [2018-11-23 09:54:29,313 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 41 [2018-11-23 09:54:29,466 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 39 [2018-11-23 09:54:29,629 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 39 [2018-11-23 09:54:29,793 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 39 [2018-11-23 09:54:29,960 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 39 [2018-11-23 09:54:30,115 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 39 [2018-11-23 09:54:30,306 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 40 [2018-11-23 09:54:30,535 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 39 [2018-11-23 09:54:30,700 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 39 [2018-11-23 09:54:30,931 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 39 [2018-11-23 09:54:31,125 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 41 [2018-11-23 09:54:31,243 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 39 [2018-11-23 09:54:31,503 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 43 [2018-11-23 09:54:31,721 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 39 [2018-11-23 09:54:31,911 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 41 [2018-11-23 09:54:32,178 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 41 [2018-11-23 09:54:32,376 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 41 [2018-11-23 09:54:32,539 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 39 [2018-11-23 09:54:32,654 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 39 [2018-11-23 09:54:32,845 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 41 [2018-11-23 09:54:32,976 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 16 [2018-11-23 09:54:33,224 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 39 [2018-11-23 09:54:33,378 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 39 [2018-11-23 09:54:33,561 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 41 [2018-11-23 09:54:33,801 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 40 [2018-11-23 09:54:34,048 WARN L180 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 41 [2018-11-23 09:54:34,330 WARN L180 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 58 [2018-11-23 09:54:34,633 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 41 [2018-11-23 09:54:34,804 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 39 [2018-11-23 09:54:35,041 WARN L180 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 41 [2018-11-23 09:54:35,158 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 39 [2018-11-23 09:54:35,312 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 16 [2018-11-23 09:54:35,520 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 42 [2018-11-23 09:54:35,709 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 41 [2018-11-23 09:54:36,017 WARN L180 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 55 [2018-11-23 09:54:36,188 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 16 [2018-11-23 09:54:36,189 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 09:54:36,191 INFO L579 CodeCheckObserver]: Invariant with dag size 16 [2018-11-23 09:54:36,198 INFO L579 CodeCheckObserver]: Invariant with dag size 16 [2018-11-23 09:54:36,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 09:54:36 ImpRootNode [2018-11-23 09:54:36,199 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 09:54:36,200 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 09:54:36,200 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 09:54:36,200 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 09:54:36,200 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:50:59" (3/4) ... [2018-11-23 09:54:36,204 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 09:54:36,221 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-11-23 09:54:36,222 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-23 09:54:36,223 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 09:54:36,224 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 09:54:36,343 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5c0d32c7-f6c2-4bce-9e2b-dd1afbb0860d/bin-2019/ukojak/witness.graphml [2018-11-23 09:54:36,343 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 09:54:36,344 INFO L168 Benchmark]: Toolchain (without parser) took 218784.05 ms. Allocated memory was 1.0 GB in the beginning and 4.7 GB in the end (delta: 3.7 GB). Free memory was 951.2 MB in the beginning and 4.2 GB in the end (delta: -3.3 GB). Peak memory consumption was 371.9 MB. Max. memory is 11.5 GB. [2018-11-23 09:54:36,345 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 09:54:36,345 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.97 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 918.9 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-23 09:54:36,345 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 918.9 MB in the beginning and 1.1 GB in the end (delta: -205.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-23 09:54:36,346 INFO L168 Benchmark]: Boogie Preprocessor took 43.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 09:54:36,346 INFO L168 Benchmark]: RCFGBuilder took 1681.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 890.5 MB in the end (delta: 228.9 MB). Peak memory consumption was 228.9 MB. Max. memory is 11.5 GB. [2018-11-23 09:54:36,346 INFO L168 Benchmark]: CodeCheck took 216438.97 ms. Allocated memory was 1.2 GB in the beginning and 4.7 GB in the end (delta: 3.5 GB). Free memory was 890.5 MB in the beginning and 4.2 GB in the end (delta: -3.4 GB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. [2018-11-23 09:54:36,347 INFO L168 Benchmark]: Witness Printer took 143.93 ms. Allocated memory is still 4.7 GB. Free memory was 4.2 GB in the beginning and 4.2 GB in the end (delta: 25.4 kB). Peak memory consumption was 25.4 kB. Max. memory is 11.5 GB. [2018-11-23 09:54:36,349 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 205.4s OverallTime, 177 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1077944888 SDtfs, 287230216 SDslu, -360424100 SDs, 0 SdLazy, 9009908 SolverSat, -1268398704 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 728.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 238530 GetRequests, 229932 SyntacticMatches, 6922 SemanticMatches, 1676 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2110823 ImplicationChecksByTransitivity, 175.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.7s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 29.7s InterpolantComputationTime, 36599 NumberOfCodeBlocks, 36599 NumberOfCodeBlocksAsserted, 176 NumberOfCheckSat, 36423 ConstructedInterpolants, 0 QuantifiedInterpolants, 59586619 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 176 InterpolantComputations, 121 PerfectInterpolantSequences, 44333/49168 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: 497]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((!(a8 == 14) || !(a16 == 6)) || !(a21 == 1)) || !(a17 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((!(a8 == 14) || !(a21 == 1)) || !(a17 == 1)) || !(a16 == 6) * 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 366.97 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 918.9 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 105.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 918.9 MB in the beginning and 1.1 GB in the end (delta: -205.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1681.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 890.5 MB in the end (delta: 228.9 MB). Peak memory consumption was 228.9 MB. Max. memory is 11.5 GB. * CodeCheck took 216438.97 ms. Allocated memory was 1.2 GB in the beginning and 4.7 GB in the end (delta: 3.5 GB). Free memory was 890.5 MB in the beginning and 4.2 GB in the end (delta: -3.4 GB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. * Witness Printer took 143.93 ms. Allocated memory is still 4.7 GB. Free memory was 4.2 GB in the beginning and 4.2 GB in the end (delta: 25.4 kB). Peak memory consumption was 25.4 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...