./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fbf782a4-8b81-4ba5-81b5-d855ac1ea44b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fbf782a4-8b81-4ba5-81b5-d855ac1ea44b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fbf782a4-8b81-4ba5-81b5-d855ac1ea44b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fbf782a4-8b81-4ba5-81b5-d855ac1ea44b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fbf782a4-8b81-4ba5-81b5-d855ac1ea44b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fbf782a4-8b81-4ba5-81b5-d855ac1ea44b/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 03d2eba0c96e405e42abc242d8ae37d66c66f111 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 08:47:01,946 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 08:47:01,947 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 08:47:01,954 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 08:47:01,954 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 08:47:01,955 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 08:47:01,955 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 08:47:01,956 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 08:47:01,958 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 08:47:01,958 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 08:47:01,959 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 08:47:01,959 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 08:47:01,959 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 08:47:01,961 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 08:47:01,962 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 08:47:01,963 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 08:47:01,963 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 08:47:01,964 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 08:47:01,966 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 08:47:01,967 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 08:47:01,968 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 08:47:01,968 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 08:47:01,970 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 08:47:01,970 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 08:47:01,970 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 08:47:01,971 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 08:47:01,972 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 08:47:01,972 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 08:47:01,973 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 08:47:01,974 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 08:47:01,974 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 08:47:01,974 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 08:47:01,974 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 08:47:01,975 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 08:47:01,975 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 08:47:01,975 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 08:47:01,976 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fbf782a4-8b81-4ba5-81b5-d855ac1ea44b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 08:47:01,986 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 08:47:01,986 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 08:47:01,986 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 08:47:01,987 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 08:47:01,987 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 08:47:01,987 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 08:47:01,987 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 08:47:01,988 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 08:47:01,988 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 08:47:01,988 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 08:47:01,988 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 08:47:01,988 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 08:47:01,988 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 08:47:01,988 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 08:47:01,988 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 08:47:01,989 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 08:47:01,989 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 08:47:01,989 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 08:47:01,989 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 08:47:01,989 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 08:47:01,989 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 08:47:01,989 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 08:47:01,990 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 08:47:01,990 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 08:47:01,990 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 08:47:01,990 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 08:47:01,990 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 08:47:01,990 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 08:47:01,990 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_fbf782a4-8b81-4ba5-81b5-d855ac1ea44b/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 -> 03d2eba0c96e405e42abc242d8ae37d66c66f111 [2018-11-10 08:47:02,017 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 08:47:02,026 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 08:47:02,028 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 08:47:02,030 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 08:47:02,030 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 08:47:02,030 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fbf782a4-8b81-4ba5-81b5-d855ac1ea44b/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c [2018-11-10 08:47:02,073 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fbf782a4-8b81-4ba5-81b5-d855ac1ea44b/bin-2019/ukojak/data/ba850cf33/d28f4508868d49c78e854c00c87b2d43/FLAG2f032d307 [2018-11-10 08:47:02,537 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 08:47:02,538 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fbf782a4-8b81-4ba5-81b5-d855ac1ea44b/sv-benchmarks/c/eca-rers2012/Problem02_label22_true-unreach-call_false-termination.c [2018-11-10 08:47:02,547 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fbf782a4-8b81-4ba5-81b5-d855ac1ea44b/bin-2019/ukojak/data/ba850cf33/d28f4508868d49c78e854c00c87b2d43/FLAG2f032d307 [2018-11-10 08:47:02,559 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fbf782a4-8b81-4ba5-81b5-d855ac1ea44b/bin-2019/ukojak/data/ba850cf33/d28f4508868d49c78e854c00c87b2d43 [2018-11-10 08:47:02,561 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 08:47:02,563 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 08:47:02,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 08:47:02,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 08:47:02,567 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 08:47:02,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:47:02" (1/1) ... [2018-11-10 08:47:02,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ed79420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:47:02, skipping insertion in model container [2018-11-10 08:47:02,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:47:02" (1/1) ... [2018-11-10 08:47:02,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 08:47:02,612 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 08:47:02,820 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:47:02,823 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 08:47:02,885 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:47:02,898 INFO L193 MainTranslator]: Completed translation [2018-11-10 08:47:02,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:47:02 WrapperNode [2018-11-10 08:47:02,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 08:47:02,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 08:47:02,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 08:47:02,900 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 08:47:02,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:47:02" (1/1) ... [2018-11-10 08:47:02,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:47:02" (1/1) ... [2018-11-10 08:47:03,002 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 08:47:03,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 08:47:03,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 08:47:03,003 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 08:47:03,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:47:02" (1/1) ... [2018-11-10 08:47:03,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:47:02" (1/1) ... [2018-11-10 08:47:03,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:47:02" (1/1) ... [2018-11-10 08:47:03,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:47:02" (1/1) ... [2018-11-10 08:47:03,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:47:02" (1/1) ... [2018-11-10 08:47:03,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:47:02" (1/1) ... [2018-11-10 08:47:03,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:47:02" (1/1) ... [2018-11-10 08:47:03,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 08:47:03,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 08:47:03,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 08:47:03,045 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 08:47:03,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:47:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fbf782a4-8b81-4ba5-81b5-d855ac1ea44b/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 [2018-11-10 08:47:03,099 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 08:47:03,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 08:47:03,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 08:47:04,552 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 08:47:04,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:47:04 BoogieIcfgContainer [2018-11-10 08:47:04,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 08:47:04,553 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 08:47:04,554 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 08:47:04,561 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 08:47:04,561 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:47:04" (1/1) ... [2018-11-10 08:47:04,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:47:04,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:04,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-10 08:47:04,596 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-10 08:47:04,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-10 08:47:04,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:04,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:04,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:47:05,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:05,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 165 states and 243 transitions. [2018-11-10 08:47:05,297 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 243 transitions. [2018-11-10 08:47:05,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-10 08:47:05,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:05,374 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:47:05,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:05,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 245 states and 328 transitions. [2018-11-10 08:47:05,769 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 328 transitions. [2018-11-10 08:47:05,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-10 08:47:05,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:05,831 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 08:47:05,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:05,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 246 states and 329 transitions. [2018-11-10 08:47:05,947 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 329 transitions. [2018-11-10 08:47:05,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-10 08:47:05,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:05,999 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 08:47:06,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:06,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 248 states and 332 transitions. [2018-11-10 08:47:06,136 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 332 transitions. [2018-11-10 08:47:06,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-10 08:47:06,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:06,196 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 08:47:06,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:06,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 266 states and 360 transitions. [2018-11-10 08:47:06,349 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 360 transitions. [2018-11-10 08:47:06,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-10 08:47:06,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:06,399 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 08:47:06,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:06,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 288 states and 387 transitions. [2018-11-10 08:47:06,606 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 387 transitions. [2018-11-10 08:47:06,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-10 08:47:06,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:06,688 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 08:47:07,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:07,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 307 states and 416 transitions. [2018-11-10 08:47:07,072 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 416 transitions. [2018-11-10 08:47:07,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-10 08:47:07,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:07,095 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 08:47:07,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:07,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 312 states and 424 transitions. [2018-11-10 08:47:07,276 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 424 transitions. [2018-11-10 08:47:07,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-10 08:47:07,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:07,300 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 08:47:07,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:07,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 316 states and 428 transitions. [2018-11-10 08:47:07,326 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 428 transitions. [2018-11-10 08:47:07,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-10 08:47:07,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:07,357 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 08:47:07,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:07,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 317 states and 430 transitions. [2018-11-10 08:47:07,461 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 430 transitions. [2018-11-10 08:47:07,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-10 08:47:07,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:07,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:07,491 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 08:47:07,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:07,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 321 states and 437 transitions. [2018-11-10 08:47:07,613 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 437 transitions. [2018-11-10 08:47:07,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-10 08:47:07,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:07,641 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 08:47:07,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:07,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 335 states and 451 transitions. [2018-11-10 08:47:07,902 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 451 transitions. [2018-11-10 08:47:07,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-10 08:47:07,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:07,944 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-10 08:47:08,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:08,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 340 states and 458 transitions. [2018-11-10 08:47:08,194 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 458 transitions. [2018-11-10 08:47:08,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-10 08:47:08,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:08,269 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 08:47:08,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:08,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 352 states and 475 transitions. [2018-11-10 08:47:08,532 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 475 transitions. [2018-11-10 08:47:08,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-10 08:47:08,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:08,624 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 08:47:09,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:09,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 383 states and 515 transitions. [2018-11-10 08:47:09,383 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 515 transitions. [2018-11-10 08:47:09,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-10 08:47:09,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:09,436 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 08:47:09,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:09,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 384 states and 518 transitions. [2018-11-10 08:47:09,572 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 518 transitions. [2018-11-10 08:47:09,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-10 08:47:09,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:09,601 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 08:47:09,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:09,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 400 states and 536 transitions. [2018-11-10 08:47:09,725 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 536 transitions. [2018-11-10 08:47:09,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-10 08:47:09,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:09,747 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 08:47:09,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:09,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 402 states and 537 transitions. [2018-11-10 08:47:09,860 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 537 transitions. [2018-11-10 08:47:09,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-10 08:47:09,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:09,963 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 08:47:10,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:10,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 415 states and 553 transitions. [2018-11-10 08:47:10,340 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 553 transitions. [2018-11-10 08:47:10,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-10 08:47:10,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:10,407 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 08:47:10,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:10,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 433 states and 574 transitions. [2018-11-10 08:47:10,801 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 574 transitions. [2018-11-10 08:47:10,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-10 08:47:10,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:10,897 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 08:47:11,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:11,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 437 states and 579 transitions. [2018-11-10 08:47:11,046 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 579 transitions. [2018-11-10 08:47:11,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 08:47:11,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:11,077 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 08:47:11,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:11,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 450 states and 593 transitions. [2018-11-10 08:47:11,203 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 593 transitions. [2018-11-10 08:47:11,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-10 08:47:11,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:11,233 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 08:47:11,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:11,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 454 states and 598 transitions. [2018-11-10 08:47:11,424 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 598 transitions. [2018-11-10 08:47:11,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-10 08:47:11,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:11,457 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 08:47:12,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:12,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 473 states and 620 transitions. [2018-11-10 08:47:12,021 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 620 transitions. [2018-11-10 08:47:12,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-10 08:47:12,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:12,091 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-10 08:47:12,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:12,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 474 states and 622 transitions. [2018-11-10 08:47:12,333 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 622 transitions. [2018-11-10 08:47:12,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-10 08:47:12,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:12,356 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-10 08:47:12,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:12,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 478 states and 625 transitions. [2018-11-10 08:47:12,448 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 625 transitions. [2018-11-10 08:47:12,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 08:47:12,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:12,496 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 08:47:12,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:12,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 506 states and 653 transitions. [2018-11-10 08:47:12,673 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 653 transitions. [2018-11-10 08:47:12,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 08:47:12,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:12,694 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 08:47:12,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:12,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 511 states and 657 transitions. [2018-11-10 08:47:12,713 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 657 transitions. [2018-11-10 08:47:12,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 08:47:12,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:12,739 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 08:47:12,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:12,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 525 states and 672 transitions. [2018-11-10 08:47:12,975 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 672 transitions. [2018-11-10 08:47:12,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-10 08:47:12,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:12,995 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 08:47:13,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:13,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 537 states and 683 transitions. [2018-11-10 08:47:13,094 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 683 transitions. [2018-11-10 08:47:13,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-10 08:47:13,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:13,122 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 08:47:13,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:13,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 556 states and 702 transitions. [2018-11-10 08:47:13,197 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 702 transitions. [2018-11-10 08:47:13,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-10 08:47:13,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:13,490 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 101 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 08:47:14,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:14,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 598 states and 756 transitions. [2018-11-10 08:47:14,745 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 756 transitions. [2018-11-10 08:47:14,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-10 08:47:14,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:14,779 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 101 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 08:47:15,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:15,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 613 states and 770 transitions. [2018-11-10 08:47:15,008 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 770 transitions. [2018-11-10 08:47:15,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-10 08:47:15,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:15,057 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 101 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 08:47:15,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:15,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 625 states and 781 transitions. [2018-11-10 08:47:15,243 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 781 transitions. [2018-11-10 08:47:15,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-10 08:47:15,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:15,284 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 08:47:15,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:15,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 627 states and 783 transitions. [2018-11-10 08:47:15,322 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 783 transitions. [2018-11-10 08:47:15,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 08:47:15,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:15,365 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 08:47:15,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:15,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 628 states and 784 transitions. [2018-11-10 08:47:15,611 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 784 transitions. [2018-11-10 08:47:15,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 08:47:15,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:15,635 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-10 08:47:15,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:15,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 633 states and 791 transitions. [2018-11-10 08:47:15,672 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 791 transitions. [2018-11-10 08:47:15,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-10 08:47:15,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:15,698 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-10 08:47:15,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:15,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 634 states and 792 transitions. [2018-11-10 08:47:15,714 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 792 transitions. [2018-11-10 08:47:15,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-10 08:47:15,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:15,760 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-10 08:47:15,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:15,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 636 states and 793 transitions. [2018-11-10 08:47:15,874 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 793 transitions. [2018-11-10 08:47:15,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-10 08:47:15,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:15,983 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 08:47:16,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:16,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 650 states and 807 transitions. [2018-11-10 08:47:16,024 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 807 transitions. [2018-11-10 08:47:16,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-10 08:47:16,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:16,063 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-10 08:47:16,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:16,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 669 states and 829 transitions. [2018-11-10 08:47:16,475 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 829 transitions. [2018-11-10 08:47:16,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-10 08:47:16,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:16,535 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-10 08:47:16,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:16,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 670 states and 830 transitions. [2018-11-10 08:47:16,563 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 830 transitions. [2018-11-10 08:47:16,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-10 08:47:16,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:16,584 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-10 08:47:16,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:16,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 673 states and 833 transitions. [2018-11-10 08:47:16,604 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 833 transitions. [2018-11-10 08:47:16,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-10 08:47:16,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:16,646 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-10 08:47:17,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:17,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 684 states and 844 transitions. [2018-11-10 08:47:17,011 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 844 transitions. [2018-11-10 08:47:17,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-10 08:47:17,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:17,067 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 08:47:17,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:17,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 697 states and 858 transitions. [2018-11-10 08:47:17,467 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 858 transitions. [2018-11-10 08:47:17,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-10 08:47:17,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:17,514 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 08:47:17,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:17,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 701 states and 862 transitions. [2018-11-10 08:47:17,664 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 862 transitions. [2018-11-10 08:47:17,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-10 08:47:17,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:17,763 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 08:47:17,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:17,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 725 states and 887 transitions. [2018-11-10 08:47:17,844 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 887 transitions. [2018-11-10 08:47:17,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 08:47:17,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:17,994 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 08:47:18,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:18,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 742 states and 907 transitions. [2018-11-10 08:47:18,794 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 907 transitions. [2018-11-10 08:47:18,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 08:47:18,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:18,881 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 08:47:19,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:19,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 754 states and 918 transitions. [2018-11-10 08:47:19,208 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 918 transitions. [2018-11-10 08:47:19,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-10 08:47:19,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:19,270 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 08:47:19,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:19,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 776 states and 941 transitions. [2018-11-10 08:47:19,488 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 941 transitions. [2018-11-10 08:47:19,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-10 08:47:19,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:19,516 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 08:47:19,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:19,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 804 states and 969 transitions. [2018-11-10 08:47:19,589 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 969 transitions. [2018-11-10 08:47:19,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-10 08:47:19,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:19,616 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 08:47:19,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:19,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 808 states and 973 transitions. [2018-11-10 08:47:19,636 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 973 transitions. [2018-11-10 08:47:19,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-10 08:47:19,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:19,688 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-10 08:47:19,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:19,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 818 states and 984 transitions. [2018-11-10 08:47:19,800 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 984 transitions. [2018-11-10 08:47:19,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-10 08:47:19,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:19,899 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-10 08:47:20,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:20,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 836 states and 1004 transitions. [2018-11-10 08:47:20,266 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1004 transitions. [2018-11-10 08:47:20,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-10 08:47:20,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:20,330 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 08:47:20,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:20,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 848 states and 1019 transitions. [2018-11-10 08:47:20,695 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1019 transitions. [2018-11-10 08:47:20,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 08:47:20,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:20,745 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-10 08:47:20,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:20,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 849 states and 1020 transitions. [2018-11-10 08:47:20,770 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1020 transitions. [2018-11-10 08:47:20,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 08:47:20,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:20,853 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-10 08:47:20,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:20,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 850 states and 1020 transitions. [2018-11-10 08:47:20,988 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1020 transitions. [2018-11-10 08:47:20,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 08:47:20,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:21,016 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 08:47:21,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:21,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 854 states and 1025 transitions. [2018-11-10 08:47:21,104 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1025 transitions. [2018-11-10 08:47:21,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-10 08:47:21,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:21,440 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 188 proven. 11 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 08:47:22,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:22,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 867 states and 1045 transitions. [2018-11-10 08:47:22,703 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1045 transitions. [2018-11-10 08:47:22,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-10 08:47:22,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:22,862 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 08:47:23,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:23,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 939 states and 1125 transitions. [2018-11-10 08:47:23,541 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1125 transitions. [2018-11-10 08:47:23,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-10 08:47:23,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:23,678 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 08:47:23,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:23,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 940 states and 1125 transitions. [2018-11-10 08:47:23,835 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1125 transitions. [2018-11-10 08:47:23,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-10 08:47:23,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:23,859 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-10 08:47:23,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:23,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 941 states and 1125 transitions. [2018-11-10 08:47:23,886 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1125 transitions. [2018-11-10 08:47:23,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-10 08:47:23,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:23,949 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-10 08:47:23,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:23,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 942 states and 1125 transitions. [2018-11-10 08:47:23,963 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1125 transitions. [2018-11-10 08:47:23,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-10 08:47:23,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:24,030 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-10 08:47:24,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:24,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 967 states and 1150 transitions. [2018-11-10 08:47:24,590 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1150 transitions. [2018-11-10 08:47:24,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-10 08:47:24,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:24,641 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-10 08:47:24,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:24,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 974 states and 1156 transitions. [2018-11-10 08:47:24,886 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1156 transitions. [2018-11-10 08:47:24,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-10 08:47:24,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:24,974 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-10 08:47:26,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:26,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1050 states and 1238 transitions. [2018-11-10 08:47:26,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1238 transitions. [2018-11-10 08:47:26,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-10 08:47:26,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:26,126 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-10 08:47:26,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:26,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1053 states and 1241 transitions. [2018-11-10 08:47:26,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1241 transitions. [2018-11-10 08:47:26,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-10 08:47:26,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:26,257 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 169 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 08:47:26,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:26,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1086 states and 1278 transitions. [2018-11-10 08:47:26,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1278 transitions. [2018-11-10 08:47:26,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-10 08:47:26,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:26,790 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 169 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 08:47:26,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:26,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1087 states and 1278 transitions. [2018-11-10 08:47:26,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1278 transitions. [2018-11-10 08:47:26,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-10 08:47:26,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:27,024 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-11-10 08:47:27,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:27,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 1098 states and 1291 transitions. [2018-11-10 08:47:27,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1291 transitions. [2018-11-10 08:47:27,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-10 08:47:27,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:27,428 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 08:47:28,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:28,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1119 states and 1317 transitions. [2018-11-10 08:47:28,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1317 transitions. [2018-11-10 08:47:28,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-10 08:47:28,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:28,224 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 08:47:28,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:28,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1121 states and 1318 transitions. [2018-11-10 08:47:28,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1318 transitions. [2018-11-10 08:47:28,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-10 08:47:28,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:28,458 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 181 proven. 1 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-10 08:47:28,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:28,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1141 states and 1341 transitions. [2018-11-10 08:47:28,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1341 transitions. [2018-11-10 08:47:28,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-10 08:47:28,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:28,989 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 181 proven. 1 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-10 08:47:29,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:29,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1142 states and 1342 transitions. [2018-11-10 08:47:29,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1342 transitions. [2018-11-10 08:47:29,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-10 08:47:29,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:29,355 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 181 proven. 1 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-10 08:47:29,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:29,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1146 states and 1346 transitions. [2018-11-10 08:47:29,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1346 transitions. [2018-11-10 08:47:29,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-10 08:47:29,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:29,658 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 203 proven. 17 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-10 08:47:30,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:30,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1180 states and 1385 transitions. [2018-11-10 08:47:30,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1385 transitions. [2018-11-10 08:47:30,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-10 08:47:30,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:30,527 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 203 proven. 17 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-10 08:47:30,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:30,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1184 states and 1390 transitions. [2018-11-10 08:47:30,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1390 transitions. [2018-11-10 08:47:30,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-10 08:47:30,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:30,867 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 203 proven. 17 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-10 08:47:31,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:31,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1185 states and 1391 transitions. [2018-11-10 08:47:31,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1391 transitions. [2018-11-10 08:47:31,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-10 08:47:31,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:31,117 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 08:47:31,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:31,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1189 states and 1397 transitions. [2018-11-10 08:47:31,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1397 transitions. [2018-11-10 08:47:31,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-10 08:47:31,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:31,292 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-10 08:47:31,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:31,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1207 states and 1414 transitions. [2018-11-10 08:47:31,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1414 transitions. [2018-11-10 08:47:31,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-10 08:47:31,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:31,553 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-10 08:47:31,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:31,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1245 states and 1454 transitions. [2018-11-10 08:47:31,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1454 transitions. [2018-11-10 08:47:31,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-10 08:47:31,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:32,155 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-10 08:47:34,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:34,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 1309 states and 1524 transitions. [2018-11-10 08:47:34,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 1524 transitions. [2018-11-10 08:47:34,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-10 08:47:34,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:34,951 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-10 08:47:35,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:35,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1313 states and 1528 transitions. [2018-11-10 08:47:35,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 1528 transitions. [2018-11-10 08:47:35,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-10 08:47:35,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:35,214 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-10 08:47:35,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:35,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 1316 states and 1530 transitions. [2018-11-10 08:47:35,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1530 transitions. [2018-11-10 08:47:35,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-10 08:47:35,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:36,125 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 291 proven. 61 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 08:47:39,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:39,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1439 states and 1672 transitions. [2018-11-10 08:47:39,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 1672 transitions. [2018-11-10 08:47:39,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-10 08:47:39,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:39,644 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 291 proven. 61 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 08:47:39,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:39,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 1443 states and 1676 transitions. [2018-11-10 08:47:39,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 1676 transitions. [2018-11-10 08:47:39,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-10 08:47:39,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:40,190 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 291 proven. 61 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 08:47:40,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:40,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1448 states and 1680 transitions. [2018-11-10 08:47:40,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1448 states and 1680 transitions. [2018-11-10 08:47:40,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-10 08:47:40,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:40,495 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-10 08:47:40,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:40,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1475 states and 1707 transitions. [2018-11-10 08:47:40,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1707 transitions. [2018-11-10 08:47:40,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 08:47:40,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:40,835 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 313 proven. 5 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 08:47:40,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:40,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 1494 states and 1726 transitions. [2018-11-10 08:47:40,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 1726 transitions. [2018-11-10 08:47:40,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-10 08:47:40,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:41,079 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 313 proven. 5 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 08:47:41,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:41,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 1518 states and 1749 transitions. [2018-11-10 08:47:41,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1749 transitions. [2018-11-10 08:47:41,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-10 08:47:41,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:41,302 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-10 08:47:41,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:41,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 1532 states and 1763 transitions. [2018-11-10 08:47:41,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1763 transitions. [2018-11-10 08:47:41,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-10 08:47:41,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:41,540 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 415 proven. 7 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-10 08:47:41,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:41,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1549 states and 1783 transitions. [2018-11-10 08:47:41,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 1783 transitions. [2018-11-10 08:47:41,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-10 08:47:41,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 08:47:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:47:42,077 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 415 proven. 7 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-10 08:47:42,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 08:47:42,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 1385 states and 1596 transitions. [2018-11-10 08:47:42,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1596 transitions. [2018-11-10 08:47:42,422 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 08:47:42,422 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 94 iterations. [2018-11-10 08:47:42,428 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 08:47:45,338 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 08:47:45,340 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-11-10 08:47:45,345 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-11-10 08:47:45,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 08:47:45 ImpRootNode [2018-11-10 08:47:45,346 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 08:47:45,346 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 08:47:45,346 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 08:47:45,346 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 08:47:45,346 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:47:04" (3/4) ... [2018-11-10 08:47:45,350 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 08:47:45,364 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 112 nodes and edges [2018-11-10 08:47:45,365 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-10 08:47:45,366 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-10 08:47:45,366 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 08:47:45,452 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fbf782a4-8b81-4ba5-81b5-d855ac1ea44b/bin-2019/ukojak/witness.graphml [2018-11-10 08:47:45,452 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 08:47:45,453 INFO L168 Benchmark]: Toolchain (without parser) took 42890.75 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 957.6 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 91.8 MB. Max. memory is 11.5 GB. [2018-11-10 08:47:45,454 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:47:45,454 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.69 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 925.4 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-10 08:47:45,454 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 925.4 MB in the beginning and 1.1 GB in the end (delta: -198.5 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-10 08:47:45,454 INFO L168 Benchmark]: Boogie Preprocessor took 41.49 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-10 08:47:45,455 INFO L168 Benchmark]: RCFGBuilder took 1508.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 874.0 MB in the end (delta: 241.8 MB). Peak memory consumption was 241.8 MB. Max. memory is 11.5 GB. [2018-11-10 08:47:45,455 INFO L168 Benchmark]: CodeCheck took 40792.20 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 874.0 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-10 08:47:45,455 INFO L168 Benchmark]: Witness Printer took 106.17 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 54.1 kB). Peak memory consumption was 54.1 kB. Max. memory is 11.5 GB. [2018-11-10 08:47:45,457 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, 228 locations, 1 error locations. SAFE Result, 37.8s OverallTime, 94 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 723261456 SDtfs, 103317404 SDslu, -1140163456 SDs, 0 SdLazy, 455198738 SolverSat, 672002590 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 188.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 105368 GetRequests, 103882 SyntacticMatches, 890 SemanticMatches, 596 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262985 ImplicationChecksByTransitivity, 28.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 16810 NumberOfCodeBlocks, 16810 NumberOfCodeBlocksAsserted, 93 NumberOfCheckSat, 16717 ConstructedInterpolants, 0 QuantifiedInterpolants, 7623593 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 93 InterpolantComputations, 73 PerfectInterpolantSequences, 16061/16353 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: 463]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (a17 == 8 || (a11 == 1 && !(a17 == 9))) || (!(a19 == 1) && a11 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (a17 == 8 || (a11 == 1 && !(a17 == 9))) || (!(a19 == 1) && a11 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 335.69 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 925.4 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 925.4 MB in the beginning and 1.1 GB in the end (delta: -198.5 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.49 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1508.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 874.0 MB in the end (delta: 241.8 MB). Peak memory consumption was 241.8 MB. Max. memory is 11.5 GB. * CodeCheck took 40792.20 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 874.0 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 106.17 ms. Allocated memory is still 2.4 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 54.1 kB). Peak memory consumption was 54.1 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...