./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label23_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_eb5377b4-4a0a-405b-8715-fb4582876110/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eb5377b4-4a0a-405b-8715-fb4582876110/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eb5377b4-4a0a-405b-8715-fb4582876110/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eb5377b4-4a0a-405b-8715-fb4582876110/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label23_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_eb5377b4-4a0a-405b-8715-fb4582876110/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eb5377b4-4a0a-405b-8715-fb4582876110/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 a07d46acee19a1bf676413a71857b7cd94a5f704 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 10:19:19,938 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:19:19,939 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:19:19,949 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:19:19,949 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:19:19,950 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:19:19,951 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:19:19,952 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:19:19,953 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:19:19,954 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:19:19,955 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:19:19,955 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:19:19,956 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:19:19,956 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:19:19,957 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:19:19,959 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:19:19,959 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:19:19,961 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:19:19,962 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:19:19,963 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:19:19,964 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:19:19,965 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:19:19,967 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:19:19,967 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:19:19,967 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:19:19,968 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:19:19,969 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:19:19,969 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:19:19,970 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:19:19,971 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:19:19,971 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:19:19,972 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:19:19,972 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:19:19,972 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:19:19,973 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:19:19,973 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:19:19,973 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eb5377b4-4a0a-405b-8715-fb4582876110/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 10:19:19,984 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:19:19,984 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:19:19,985 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:19:19,985 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 10:19:19,986 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:19:19,986 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:19:19,986 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:19:19,987 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:19:19,987 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:19:19,987 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:19:19,987 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:19:19,987 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:19:19,988 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:19:19,988 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:19:19,988 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:19:19,988 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:19:19,988 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:19:19,988 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:19:19,988 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 10:19:19,989 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 10:19:19,989 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:19:19,989 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:19:19,989 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 10:19:19,989 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:19:19,989 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:19:19,989 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:19:19,990 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 10:19:19,990 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:19:19,990 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:19:19,990 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_eb5377b4-4a0a-405b-8715-fb4582876110/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 -> a07d46acee19a1bf676413a71857b7cd94a5f704 [2018-11-18 10:19:20,014 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:19:20,023 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:19:20,026 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:19:20,027 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:19:20,027 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:19:20,028 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eb5377b4-4a0a-405b-8715-fb4582876110/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label23_true-unreach-call_false-termination.c [2018-11-18 10:19:20,064 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eb5377b4-4a0a-405b-8715-fb4582876110/bin-2019/ukojak/data/a4355230b/8cbac49cbf61477b970da87b05023fd8/FLAG044153960 [2018-11-18 10:19:20,460 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:19:20,461 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eb5377b4-4a0a-405b-8715-fb4582876110/sv-benchmarks/c/eca-rers2012/Problem02_label23_true-unreach-call_false-termination.c [2018-11-18 10:19:20,470 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eb5377b4-4a0a-405b-8715-fb4582876110/bin-2019/ukojak/data/a4355230b/8cbac49cbf61477b970da87b05023fd8/FLAG044153960 [2018-11-18 10:19:20,834 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eb5377b4-4a0a-405b-8715-fb4582876110/bin-2019/ukojak/data/a4355230b/8cbac49cbf61477b970da87b05023fd8 [2018-11-18 10:19:20,836 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:19:20,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:19:20,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:19:20,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:19:20,841 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:19:20,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:19:20" (1/1) ... [2018-11-18 10:19:20,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@788382f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:19:20, skipping insertion in model container [2018-11-18 10:19:20,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:19:20" (1/1) ... [2018-11-18 10:19:20,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:19:20,882 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:19:21,117 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:19:21,121 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:19:21,191 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:19:21,204 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:19:21,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:19:21 WrapperNode [2018-11-18 10:19:21,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:19:21,205 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:19:21,205 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:19:21,206 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:19:21,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:19:21" (1/1) ... [2018-11-18 10:19:21,278 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:19:21" (1/1) ... [2018-11-18 10:19:21,314 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:19:21,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:19:21,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:19:21,314 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:19:21,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:19:21" (1/1) ... [2018-11-18 10:19:21,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:19:21" (1/1) ... [2018-11-18 10:19:21,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:19:21" (1/1) ... [2018-11-18 10:19:21,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:19:21" (1/1) ... [2018-11-18 10:19:21,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:19:21" (1/1) ... [2018-11-18 10:19:21,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:19:21" (1/1) ... [2018-11-18 10:19:21,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:19:21" (1/1) ... [2018-11-18 10:19:21,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:19:21,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:19:21,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:19:21,359 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:19:21,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:19:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb5377b4-4a0a-405b-8715-fb4582876110/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 10:19:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 10:19:21,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:19:21,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:19:22,799 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:19:22,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:19:22 BoogieIcfgContainer [2018-11-18 10:19:22,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:19:22,800 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 10:19:22,800 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 10:19:22,808 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 10:19:22,808 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:19:22" (1/1) ... [2018-11-18 10:19:22,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:19:22,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:22,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-18 10:19:22,847 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-18 10:19:22,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 10:19:22,852 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:23,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:23,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:23,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 165 states and 253 transitions. [2018-11-18 10:19:23,649 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 253 transitions. [2018-11-18 10:19:23,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-18 10:19:23,654 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:23,774 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:24,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:24,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 244 states and 344 transitions. [2018-11-18 10:19:24,164 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 344 transitions. [2018-11-18 10:19:24,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 10:19:24,166 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:24,266 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:24,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:24,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 249 states and 351 transitions. [2018-11-18 10:19:24,415 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 351 transitions. [2018-11-18 10:19:24,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-18 10:19:24,417 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:24,445 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:24,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:24,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 259 states and 363 transitions. [2018-11-18 10:19:24,500 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 363 transitions. [2018-11-18 10:19:24,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 10:19:24,506 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:24,530 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:24,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:24,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 264 states and 368 transitions. [2018-11-18 10:19:24,572 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 368 transitions. [2018-11-18 10:19:24,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 10:19:24,574 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:24,601 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:19:24,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:24,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 275 states and 383 transitions. [2018-11-18 10:19:24,724 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 383 transitions. [2018-11-18 10:19:24,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-18 10:19:24,728 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:24,758 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:19:24,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:24,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 278 states and 386 transitions. [2018-11-18 10:19:24,797 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 386 transitions. [2018-11-18 10:19:24,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 10:19:24,798 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:24,836 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:19:24,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:24,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 279 states and 387 transitions. [2018-11-18 10:19:24,846 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 387 transitions. [2018-11-18 10:19:24,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 10:19:24,847 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:24,870 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:19:24,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:24,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 284 states and 393 transitions. [2018-11-18 10:19:24,943 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 393 transitions. [2018-11-18 10:19:24,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-18 10:19:24,944 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:24,967 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:19:24,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:24,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 285 states and 394 transitions. [2018-11-18 10:19:24,983 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 394 transitions. [2018-11-18 10:19:24,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 10:19:24,984 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:25,008 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:25,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:25,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 292 states and 401 transitions. [2018-11-18 10:19:25,044 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 401 transitions. [2018-11-18 10:19:25,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 10:19:25,045 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:25,070 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:19:25,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:25,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 299 states and 408 transitions. [2018-11-18 10:19:25,128 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 408 transitions. [2018-11-18 10:19:25,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 10:19:25,129 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:25,154 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:25,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:25,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 305 states and 414 transitions. [2018-11-18 10:19:25,189 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 414 transitions. [2018-11-18 10:19:25,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 10:19:25,190 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:25,264 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:25,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:25,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 325 states and 436 transitions. [2018-11-18 10:19:25,546 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 436 transitions. [2018-11-18 10:19:25,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 10:19:25,547 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:25,603 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:19:25,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:25,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 344 states and 458 transitions. [2018-11-18 10:19:25,754 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 458 transitions. [2018-11-18 10:19:25,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 10:19:25,755 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:25,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:25,851 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 10:19:26,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:26,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 454 states and 580 transitions. [2018-11-18 10:19:26,615 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 580 transitions. [2018-11-18 10:19:26,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 10:19:26,616 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:26,656 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:26,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:26,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 461 states and 587 transitions. [2018-11-18 10:19:26,691 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 587 transitions. [2018-11-18 10:19:26,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 10:19:26,692 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:26,747 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:27,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:27,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 493 states and 625 transitions. [2018-11-18 10:19:27,184 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 625 transitions. [2018-11-18 10:19:27,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 10:19:27,185 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:27,237 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:19:27,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:27,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 532 states and 672 transitions. [2018-11-18 10:19:27,737 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 672 transitions. [2018-11-18 10:19:27,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 10:19:27,738 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:27,785 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:19:28,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:28,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 564 states and 706 transitions. [2018-11-18 10:19:28,082 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 706 transitions. [2018-11-18 10:19:28,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 10:19:28,083 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:28,111 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:19:28,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:28,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 587 states and 733 transitions. [2018-11-18 10:19:28,379 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 733 transitions. [2018-11-18 10:19:28,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 10:19:28,381 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:28,411 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:19:28,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:28,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 610 states and 765 transitions. [2018-11-18 10:19:28,669 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 765 transitions. [2018-11-18 10:19:28,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 10:19:28,669 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:28,697 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:28,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:28,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 643 states and 800 transitions. [2018-11-18 10:19:28,922 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 800 transitions. [2018-11-18 10:19:28,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 10:19:28,923 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:28,946 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 10:19:29,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:29,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 650 states and 810 transitions. [2018-11-18 10:19:29,232 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 810 transitions. [2018-11-18 10:19:29,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 10:19:29,233 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:29,277 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:19:29,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:29,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 659 states and 818 transitions. [2018-11-18 10:19:29,386 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 818 transitions. [2018-11-18 10:19:29,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 10:19:29,387 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:29,418 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 10:19:29,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:29,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 681 states and 840 transitions. [2018-11-18 10:19:29,609 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 840 transitions. [2018-11-18 10:19:29,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 10:19:29,610 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:29,644 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:30,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:30,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 734 states and 902 transitions. [2018-11-18 10:19:30,708 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 902 transitions. [2018-11-18 10:19:30,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 10:19:30,709 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:30,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:30,814 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:19:31,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:31,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 766 states and 939 transitions. [2018-11-18 10:19:31,200 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 939 transitions. [2018-11-18 10:19:31,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 10:19:31,202 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:31,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:31,424 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 10:19:31,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:31,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 782 states and 957 transitions. [2018-11-18 10:19:31,757 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 957 transitions. [2018-11-18 10:19:31,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 10:19:31,757 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:31,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:31,781 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:32,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:32,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 799 states and 977 transitions. [2018-11-18 10:19:32,047 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 977 transitions. [2018-11-18 10:19:32,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 10:19:32,048 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:32,081 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:32,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:32,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 814 states and 991 transitions. [2018-11-18 10:19:32,131 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 991 transitions. [2018-11-18 10:19:32,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 10:19:32,131 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:32,159 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:32,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:32,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 819 states and 1001 transitions. [2018-11-18 10:19:32,431 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1001 transitions. [2018-11-18 10:19:32,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 10:19:32,432 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:32,684 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 80 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 10:19:33,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:33,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 861 states and 1053 transitions. [2018-11-18 10:19:33,662 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1053 transitions. [2018-11-18 10:19:33,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 10:19:33,662 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:33,746 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:19:34,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:34,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 882 states and 1077 transitions. [2018-11-18 10:19:34,197 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1077 transitions. [2018-11-18 10:19:34,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 10:19:34,198 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:34,254 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:19:34,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:34,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 891 states and 1085 transitions. [2018-11-18 10:19:34,403 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1085 transitions. [2018-11-18 10:19:34,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 10:19:34,404 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:34,467 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:19:34,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:34,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 900 states and 1093 transitions. [2018-11-18 10:19:34,619 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1093 transitions. [2018-11-18 10:19:34,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 10:19:34,620 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:34,861 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:37,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:37,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 967 states and 1172 transitions. [2018-11-18 10:19:37,016 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1172 transitions. [2018-11-18 10:19:37,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 10:19:37,017 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:37,040 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 10:19:37,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:37,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 972 states and 1181 transitions. [2018-11-18 10:19:37,297 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1181 transitions. [2018-11-18 10:19:37,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 10:19:37,298 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:37,531 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:40,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:40,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1035 states and 1252 transitions. [2018-11-18 10:19:40,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1252 transitions. [2018-11-18 10:19:40,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 10:19:40,252 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:40,275 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:19:40,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:40,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1058 states and 1279 transitions. [2018-11-18 10:19:40,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1279 transitions. [2018-11-18 10:19:40,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 10:19:40,703 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:40,725 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:19:41,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:41,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 1068 states and 1287 transitions. [2018-11-18 10:19:41,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1287 transitions. [2018-11-18 10:19:41,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 10:19:41,105 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:41,128 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:19:41,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:41,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1077 states and 1295 transitions. [2018-11-18 10:19:41,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1295 transitions. [2018-11-18 10:19:41,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 10:19:41,305 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:41,593 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 81 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:43,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:43,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1112 states and 1331 transitions. [2018-11-18 10:19:43,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1331 transitions. [2018-11-18 10:19:43,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 10:19:43,107 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:43,176 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 81 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:43,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:43,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1128 states and 1347 transitions. [2018-11-18 10:19:43,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1347 transitions. [2018-11-18 10:19:43,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 10:19:43,487 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:43,506 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 10:19:43,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:43,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1131 states and 1350 transitions. [2018-11-18 10:19:43,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1350 transitions. [2018-11-18 10:19:43,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 10:19:43,734 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:43,875 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:45,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:45,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1177 states and 1403 transitions. [2018-11-18 10:19:45,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1403 transitions. [2018-11-18 10:19:45,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 10:19:45,607 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:45,655 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:45,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:45,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1178 states and 1403 transitions. [2018-11-18 10:19:45,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1403 transitions. [2018-11-18 10:19:45,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 10:19:45,857 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:45,877 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 102 proven. 1 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-11-18 10:19:46,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:46,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1197 states and 1424 transitions. [2018-11-18 10:19:46,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1424 transitions. [2018-11-18 10:19:46,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 10:19:46,107 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:46,140 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:46,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:46,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1202 states and 1430 transitions. [2018-11-18 10:19:46,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1430 transitions. [2018-11-18 10:19:46,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 10:19:46,455 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:46,526 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 10:19:46,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:46,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1205 states and 1436 transitions. [2018-11-18 10:19:46,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1436 transitions. [2018-11-18 10:19:46,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-18 10:19:46,587 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:46,647 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:19:46,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:46,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1212 states and 1446 transitions. [2018-11-18 10:19:46,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1446 transitions. [2018-11-18 10:19:46,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 10:19:46,694 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:46,719 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:19:48,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:48,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1251 states and 1492 transitions. [2018-11-18 10:19:48,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1492 transitions. [2018-11-18 10:19:48,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-18 10:19:48,185 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:48,219 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:48,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:48,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1262 states and 1503 transitions. [2018-11-18 10:19:48,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 1503 transitions. [2018-11-18 10:19:48,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-18 10:19:48,380 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:48,412 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:48,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:48,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1266 states and 1508 transitions. [2018-11-18 10:19:48,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1508 transitions. [2018-11-18 10:19:48,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 10:19:48,610 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:49,104 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 10:19:51,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:51,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1302 states and 1543 transitions. [2018-11-18 10:19:51,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1543 transitions. [2018-11-18 10:19:51,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 10:19:51,098 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:51,125 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:19:51,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:51,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 1333 states and 1577 transitions. [2018-11-18 10:19:51,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1577 transitions. [2018-11-18 10:19:51,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 10:19:51,980 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:52,041 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 10:19:52,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:52,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1356 states and 1600 transitions. [2018-11-18 10:19:52,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 1600 transitions. [2018-11-18 10:19:52,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 10:19:52,327 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:52,362 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 10:19:52,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:52,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1371 states and 1619 transitions. [2018-11-18 10:19:52,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 1619 transitions. [2018-11-18 10:19:52,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 10:19:52,743 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:53,243 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:19:56,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:56,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1439 states and 1687 transitions. [2018-11-18 10:19:56,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 1687 transitions. [2018-11-18 10:19:56,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 10:19:56,982 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:57,061 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:19:58,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:58,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 1476 states and 1723 transitions. [2018-11-18 10:19:58,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1723 transitions. [2018-11-18 10:19:58,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-18 10:19:58,415 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:58,456 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:19:58,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:58,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1492 states and 1743 transitions. [2018-11-18 10:19:58,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 1743 transitions. [2018-11-18 10:19:58,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 10:19:58,932 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:58,977 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 10:19:59,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:59,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1830 states to 1572 states and 1830 transitions. [2018-11-18 10:19:59,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 1830 transitions. [2018-11-18 10:19:59,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 10:19:59,625 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:59,648 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-18 10:19:59,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:59,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1581 states and 1839 transitions. [2018-11-18 10:19:59,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 1839 transitions. [2018-11-18 10:19:59,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-18 10:19:59,695 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:59,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:59,792 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-18 10:20:00,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:00,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1598 states and 1859 transitions. [2018-11-18 10:20:00,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 1859 transitions. [2018-11-18 10:20:00,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-18 10:20:00,646 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:00,670 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-18 10:20:00,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:00,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 1618 states and 1879 transitions. [2018-11-18 10:20:00,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1618 states and 1879 transitions. [2018-11-18 10:20:00,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 10:20:00,729 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:00,782 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:20:02,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:02,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1964 states to 1688 states and 1964 transitions. [2018-11-18 10:20:02,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1688 states and 1964 transitions. [2018-11-18 10:20:02,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 10:20:02,485 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:02,534 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:20:03,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:03,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1989 states to 1713 states and 1989 transitions. [2018-11-18 10:20:03,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 1989 transitions. [2018-11-18 10:20:03,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 10:20:03,427 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:03,474 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:20:03,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:03,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2011 states to 1736 states and 2011 transitions. [2018-11-18 10:20:03,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2011 transitions. [2018-11-18 10:20:03,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 10:20:03,981 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:04,030 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 10:20:04,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:04,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2027 states to 1752 states and 2027 transitions. [2018-11-18 10:20:04,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 2027 transitions. [2018-11-18 10:20:04,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-18 10:20:04,583 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:04,617 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 10:20:04,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:04,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2079 states to 1802 states and 2079 transitions. [2018-11-18 10:20:04,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 2079 transitions. [2018-11-18 10:20:04,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 10:20:04,820 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:04,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:04,892 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 10:20:07,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:07,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 1878 states and 2167 transitions. [2018-11-18 10:20:07,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1878 states and 2167 transitions. [2018-11-18 10:20:07,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 10:20:07,345 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:07,397 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 10:20:07,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:07,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 1892 states and 2183 transitions. [2018-11-18 10:20:07,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1892 states and 2183 transitions. [2018-11-18 10:20:07,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 10:20:07,907 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:07,951 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 10:20:08,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:08,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1901 states and 2196 transitions. [2018-11-18 10:20:08,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 2196 transitions. [2018-11-18 10:20:08,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 10:20:08,497 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:08,553 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 10:20:09,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:09,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 1917 states and 2216 transitions. [2018-11-18 10:20:09,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1917 states and 2216 transitions. [2018-11-18 10:20:09,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 10:20:09,107 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:09,151 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 10:20:09,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:09,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 1920 states and 2219 transitions. [2018-11-18 10:20:09,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2219 transitions. [2018-11-18 10:20:09,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 10:20:09,436 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:09,488 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 10:20:09,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:09,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2221 states to 1923 states and 2221 transitions. [2018-11-18 10:20:09,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 2221 transitions. [2018-11-18 10:20:09,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 10:20:09,784 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:09,827 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 10:20:10,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:10,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2237 states to 1937 states and 2237 transitions. [2018-11-18 10:20:10,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1937 states and 2237 transitions. [2018-11-18 10:20:10,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 10:20:10,480 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:11,138 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 10:20:12,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:12,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2338 states to 2037 states and 2338 transitions. [2018-11-18 10:20:12,938 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states and 2338 transitions. [2018-11-18 10:20:12,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 10:20:12,940 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:12,969 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 10:20:13,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:13,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2357 states to 2054 states and 2357 transitions. [2018-11-18 10:20:13,533 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 2357 transitions. [2018-11-18 10:20:13,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 10:20:13,534 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:13,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:13,577 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2018-11-18 10:20:13,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:13,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2361 states to 2056 states and 2361 transitions. [2018-11-18 10:20:13,968 INFO L276 IsEmpty]: Start isEmpty. Operand 2056 states and 2361 transitions. [2018-11-18 10:20:13,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 10:20:13,970 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:14,059 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2018-11-18 10:20:14,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:14,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2364 states to 2060 states and 2364 transitions. [2018-11-18 10:20:14,521 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states and 2364 transitions. [2018-11-18 10:20:14,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-18 10:20:14,522 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:14,568 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2018-11-18 10:20:14,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:14,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2379 states to 2074 states and 2379 transitions. [2018-11-18 10:20:14,891 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 2379 transitions. [2018-11-18 10:20:14,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 10:20:14,892 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:14,923 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 10:20:15,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:15,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2379 states to 2075 states and 2379 transitions. [2018-11-18 10:20:15,040 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 2379 transitions. [2018-11-18 10:20:15,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-18 10:20:15,041 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:15,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:15,085 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 118 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 10:20:15,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:15,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2442 states to 2137 states and 2442 transitions. [2018-11-18 10:20:15,508 INFO L276 IsEmpty]: Start isEmpty. Operand 2137 states and 2442 transitions. [2018-11-18 10:20:15,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-18 10:20:15,509 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:15,543 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 118 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 10:20:15,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:15,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2447 states to 2143 states and 2447 transitions. [2018-11-18 10:20:15,692 INFO L276 IsEmpty]: Start isEmpty. Operand 2143 states and 2447 transitions. [2018-11-18 10:20:15,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-18 10:20:15,694 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:15,731 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 10:20:16,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:16,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2478 states to 2170 states and 2478 transitions. [2018-11-18 10:20:16,472 INFO L276 IsEmpty]: Start isEmpty. Operand 2170 states and 2478 transitions. [2018-11-18 10:20:16,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-18 10:20:16,473 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:16,590 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 10:20:17,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:17,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 2202 states and 2512 transitions. [2018-11-18 10:20:17,586 INFO L276 IsEmpty]: Start isEmpty. Operand 2202 states and 2512 transitions. [2018-11-18 10:20:17,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 10:20:17,587 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:18,311 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:20:21,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:21,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2574 states to 2260 states and 2574 transitions. [2018-11-18 10:20:21,648 INFO L276 IsEmpty]: Start isEmpty. Operand 2260 states and 2574 transitions. [2018-11-18 10:20:21,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 10:20:21,649 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:21,747 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:20:22,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:22,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2577 states to 2262 states and 2577 transitions. [2018-11-18 10:20:22,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 2577 transitions. [2018-11-18 10:20:22,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 10:20:22,020 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:22,123 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:20:24,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:24,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2608 states to 2292 states and 2608 transitions. [2018-11-18 10:20:24,417 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 2608 transitions. [2018-11-18 10:20:24,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 10:20:24,418 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:24,525 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:20:25,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:25,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2623 states to 2308 states and 2623 transitions. [2018-11-18 10:20:25,273 INFO L276 IsEmpty]: Start isEmpty. Operand 2308 states and 2623 transitions. [2018-11-18 10:20:25,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 10:20:25,274 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:25,394 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 10:20:26,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:26,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2639 states to 2324 states and 2639 transitions. [2018-11-18 10:20:26,303 INFO L276 IsEmpty]: Start isEmpty. Operand 2324 states and 2639 transitions. [2018-11-18 10:20:26,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 10:20:26,305 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:26,347 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 10:20:26,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:26,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2651 states to 2336 states and 2651 transitions. [2018-11-18 10:20:26,738 INFO L276 IsEmpty]: Start isEmpty. Operand 2336 states and 2651 transitions. [2018-11-18 10:20:26,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-18 10:20:26,739 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:26,768 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 10:20:28,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:28,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2405 states and 2722 transitions. [2018-11-18 10:20:28,314 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 2722 transitions. [2018-11-18 10:20:28,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-18 10:20:28,316 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:28,345 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 10:20:29,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:29,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2748 states to 2427 states and 2748 transitions. [2018-11-18 10:20:29,350 INFO L276 IsEmpty]: Start isEmpty. Operand 2427 states and 2748 transitions. [2018-11-18 10:20:29,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-18 10:20:29,351 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:29,393 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 10:20:29,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:29,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 2428 states and 2749 transitions. [2018-11-18 10:20:29,427 INFO L276 IsEmpty]: Start isEmpty. Operand 2428 states and 2749 transitions. [2018-11-18 10:20:29,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-18 10:20:29,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:29,458 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 10:20:30,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:30,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2767 states to 2444 states and 2767 transitions. [2018-11-18 10:20:30,042 INFO L276 IsEmpty]: Start isEmpty. Operand 2444 states and 2767 transitions. [2018-11-18 10:20:30,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-18 10:20:30,043 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:30,076 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 10:20:30,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:30,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2783 states to 2460 states and 2783 transitions. [2018-11-18 10:20:30,797 INFO L276 IsEmpty]: Start isEmpty. Operand 2460 states and 2783 transitions. [2018-11-18 10:20:30,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-18 10:20:30,798 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:30,828 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 10:20:31,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:31,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2474 states and 2796 transitions. [2018-11-18 10:20:31,382 INFO L276 IsEmpty]: Start isEmpty. Operand 2474 states and 2796 transitions. [2018-11-18 10:20:31,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-18 10:20:31,383 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:31,411 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-18 10:20:31,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:31,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 2479 states and 2803 transitions. [2018-11-18 10:20:31,723 INFO L276 IsEmpty]: Start isEmpty. Operand 2479 states and 2803 transitions. [2018-11-18 10:20:31,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-18 10:20:31,725 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:31,776 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 10:20:32,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:32,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2837 states to 2512 states and 2837 transitions. [2018-11-18 10:20:32,206 INFO L276 IsEmpty]: Start isEmpty. Operand 2512 states and 2837 transitions. [2018-11-18 10:20:32,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-18 10:20:32,207 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:32,252 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 10:20:32,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:32,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2872 states to 2546 states and 2872 transitions. [2018-11-18 10:20:32,875 INFO L276 IsEmpty]: Start isEmpty. Operand 2546 states and 2872 transitions. [2018-11-18 10:20:32,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-18 10:20:32,876 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:32,925 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 10:20:34,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:34,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2901 states to 2573 states and 2901 transitions. [2018-11-18 10:20:34,348 INFO L276 IsEmpty]: Start isEmpty. Operand 2573 states and 2901 transitions. [2018-11-18 10:20:34,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-18 10:20:34,350 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:34,407 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 10:20:35,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:35,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 2589 states and 2916 transitions. [2018-11-18 10:20:35,001 INFO L276 IsEmpty]: Start isEmpty. Operand 2589 states and 2916 transitions. [2018-11-18 10:20:35,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-18 10:20:35,002 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:35,046 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 10:20:35,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:35,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2929 states to 2603 states and 2929 transitions. [2018-11-18 10:20:35,381 INFO L276 IsEmpty]: Start isEmpty. Operand 2603 states and 2929 transitions. [2018-11-18 10:20:35,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 10:20:35,382 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:35,479 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 203 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 10:20:36,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:36,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2962 states to 2631 states and 2962 transitions. [2018-11-18 10:20:36,691 INFO L276 IsEmpty]: Start isEmpty. Operand 2631 states and 2962 transitions. [2018-11-18 10:20:36,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 10:20:36,692 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:36,825 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 203 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 10:20:37,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:37,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2976 states to 2645 states and 2976 transitions. [2018-11-18 10:20:37,153 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 2976 transitions. [2018-11-18 10:20:37,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 10:20:37,154 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:37,276 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 203 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 10:20:37,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:37,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 2654 states and 2986 transitions. [2018-11-18 10:20:37,821 INFO L276 IsEmpty]: Start isEmpty. Operand 2654 states and 2986 transitions. [2018-11-18 10:20:37,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 10:20:37,822 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:37,912 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 203 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 10:20:38,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:38,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2657 states and 2988 transitions. [2018-11-18 10:20:38,183 INFO L276 IsEmpty]: Start isEmpty. Operand 2657 states and 2988 transitions. [2018-11-18 10:20:38,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 10:20:38,185 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:38,258 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 203 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 10:20:38,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:38,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2990 states to 2660 states and 2990 transitions. [2018-11-18 10:20:38,547 INFO L276 IsEmpty]: Start isEmpty. Operand 2660 states and 2990 transitions. [2018-11-18 10:20:38,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 10:20:38,549 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:38,608 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 203 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 10:20:39,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:39,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3004 states to 2674 states and 3004 transitions. [2018-11-18 10:20:39,177 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3004 transitions. [2018-11-18 10:20:39,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 10:20:39,179 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:39,222 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 10:20:39,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:39,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3004 states to 2675 states and 3004 transitions. [2018-11-18 10:20:39,258 INFO L276 IsEmpty]: Start isEmpty. Operand 2675 states and 3004 transitions. [2018-11-18 10:20:39,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 10:20:39,260 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:39,303 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 186 proven. 15 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-18 10:20:39,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:39,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3011 states to 2683 states and 3011 transitions. [2018-11-18 10:20:39,617 INFO L276 IsEmpty]: Start isEmpty. Operand 2683 states and 3011 transitions. [2018-11-18 10:20:39,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-11-18 10:20:39,618 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:39,652 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-18 10:20:40,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:40,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3038 states to 2711 states and 3038 transitions. [2018-11-18 10:20:40,668 INFO L276 IsEmpty]: Start isEmpty. Operand 2711 states and 3038 transitions. [2018-11-18 10:20:40,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-18 10:20:40,670 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:40,707 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 10:20:41,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:41,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3058 states to 2727 states and 3058 transitions. [2018-11-18 10:20:41,541 INFO L276 IsEmpty]: Start isEmpty. Operand 2727 states and 3058 transitions. [2018-11-18 10:20:41,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-18 10:20:41,543 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:41,580 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 10:20:42,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:42,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3083 states to 2750 states and 3083 transitions. [2018-11-18 10:20:42,332 INFO L276 IsEmpty]: Start isEmpty. Operand 2750 states and 3083 transitions. [2018-11-18 10:20:42,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-18 10:20:42,333 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:42,370 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 10:20:42,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:42,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3100 states to 2766 states and 3100 transitions. [2018-11-18 10:20:42,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 3100 transitions. [2018-11-18 10:20:42,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-18 10:20:42,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:43,008 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 10:20:43,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:43,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3113 states to 2780 states and 3113 transitions. [2018-11-18 10:20:43,339 INFO L276 IsEmpty]: Start isEmpty. Operand 2780 states and 3113 transitions. [2018-11-18 10:20:43,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-18 10:20:43,340 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:43,376 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 10:20:43,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:43,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3115 states to 2783 states and 3115 transitions. [2018-11-18 10:20:43,681 INFO L276 IsEmpty]: Start isEmpty. Operand 2783 states and 3115 transitions. [2018-11-18 10:20:43,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-18 10:20:43,682 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:43,719 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 10:20:44,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:44,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 2786 states and 3117 transitions. [2018-11-18 10:20:44,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2786 states and 3117 transitions. [2018-11-18 10:20:44,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-11-18 10:20:44,035 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:44,070 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-11-18 10:20:44,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:44,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3128 states to 2793 states and 3128 transitions. [2018-11-18 10:20:44,556 INFO L276 IsEmpty]: Start isEmpty. Operand 2793 states and 3128 transitions. [2018-11-18 10:20:44,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 10:20:44,557 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:44,676 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 154 proven. 1 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-18 10:20:44,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:44,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3133 states to 2798 states and 3133 transitions. [2018-11-18 10:20:44,712 INFO L276 IsEmpty]: Start isEmpty. Operand 2798 states and 3133 transitions. [2018-11-18 10:20:44,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 10:20:44,713 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:44,765 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 154 proven. 1 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-18 10:20:45,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:45,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3151 states to 2817 states and 3151 transitions. [2018-11-18 10:20:45,234 INFO L276 IsEmpty]: Start isEmpty. Operand 2817 states and 3151 transitions. [2018-11-18 10:20:45,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 10:20:45,235 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:45,341 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 10:20:46,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:46,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3156 states to 2823 states and 3156 transitions. [2018-11-18 10:20:46,117 INFO L276 IsEmpty]: Start isEmpty. Operand 2823 states and 3156 transitions. [2018-11-18 10:20:46,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 10:20:46,118 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:46,224 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 10:20:48,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:48,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 2845 states and 3177 transitions. [2018-11-18 10:20:48,850 INFO L276 IsEmpty]: Start isEmpty. Operand 2845 states and 3177 transitions. [2018-11-18 10:20:48,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 10:20:48,851 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:49,032 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 10:20:49,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:49,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3202 states to 2871 states and 3202 transitions. [2018-11-18 10:20:49,493 INFO L276 IsEmpty]: Start isEmpty. Operand 2871 states and 3202 transitions. [2018-11-18 10:20:49,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 10:20:49,495 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:49,608 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 10:20:50,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:50,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 2884 states and 3215 transitions. [2018-11-18 10:20:50,483 INFO L276 IsEmpty]: Start isEmpty. Operand 2884 states and 3215 transitions. [2018-11-18 10:20:50,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 10:20:50,485 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:50,592 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 10:20:50,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:50,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3217 states to 2887 states and 3217 transitions. [2018-11-18 10:20:50,900 INFO L276 IsEmpty]: Start isEmpty. Operand 2887 states and 3217 transitions. [2018-11-18 10:20:50,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-18 10:20:50,902 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:50,951 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 156 proven. 1 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-18 10:20:52,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:52,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3233 states to 2902 states and 3233 transitions. [2018-11-18 10:20:52,158 INFO L276 IsEmpty]: Start isEmpty. Operand 2902 states and 3233 transitions. [2018-11-18 10:20:52,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-18 10:20:52,160 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:52,207 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 156 proven. 1 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-18 10:20:53,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:53,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 2917 states and 3250 transitions. [2018-11-18 10:20:53,498 INFO L276 IsEmpty]: Start isEmpty. Operand 2917 states and 3250 transitions. [2018-11-18 10:20:53,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-11-18 10:20:53,499 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:53,569 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-11-18 10:20:54,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:54,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3267 states to 2929 states and 3267 transitions. [2018-11-18 10:20:54,129 INFO L276 IsEmpty]: Start isEmpty. Operand 2929 states and 3267 transitions. [2018-11-18 10:20:54,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-11-18 10:20:54,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:54,190 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2018-11-18 10:20:54,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:54,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3267 states to 2930 states and 3267 transitions. [2018-11-18 10:20:54,385 INFO L276 IsEmpty]: Start isEmpty. Operand 2930 states and 3267 transitions. [2018-11-18 10:20:54,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-11-18 10:20:54,387 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:54,432 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-11-18 10:20:55,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:55,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3301 states to 2960 states and 3301 transitions. [2018-11-18 10:20:55,329 INFO L276 IsEmpty]: Start isEmpty. Operand 2960 states and 3301 transitions. [2018-11-18 10:20:55,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-11-18 10:20:55,331 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:55,377 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-11-18 10:20:55,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:55,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3303 states to 2964 states and 3303 transitions. [2018-11-18 10:20:55,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2964 states and 3303 transitions. [2018-11-18 10:20:55,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-18 10:20:55,977 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:56,027 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 10:20:56,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:56,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3309 states to 2969 states and 3309 transitions. [2018-11-18 10:20:56,400 INFO L276 IsEmpty]: Start isEmpty. Operand 2969 states and 3309 transitions. [2018-11-18 10:20:56,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 10:20:56,402 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:56,462 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 213 proven. 2 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-18 10:20:56,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:56,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3318 states to 2979 states and 3318 transitions. [2018-11-18 10:20:56,519 INFO L276 IsEmpty]: Start isEmpty. Operand 2979 states and 3318 transitions. [2018-11-18 10:20:56,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-11-18 10:20:56,521 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:56,584 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 172 proven. 5 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-11-18 10:20:56,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:56,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3327 states to 2985 states and 3327 transitions. [2018-11-18 10:20:56,865 INFO L276 IsEmpty]: Start isEmpty. Operand 2985 states and 3327 transitions. [2018-11-18 10:20:56,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-18 10:20:56,867 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:56,966 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 198 proven. 5 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 10:20:57,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:57,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3328 states to 2986 states and 3328 transitions. [2018-11-18 10:20:57,005 INFO L276 IsEmpty]: Start isEmpty. Operand 2986 states and 3328 transitions. [2018-11-18 10:20:57,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-18 10:20:57,007 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:57,073 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 198 proven. 5 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 10:20:57,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:57,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3237 states to 2903 states and 3237 transitions. [2018-11-18 10:20:57,397 INFO L276 IsEmpty]: Start isEmpty. Operand 2903 states and 3237 transitions. [2018-11-18 10:20:57,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:20:57,399 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 140 iterations. [2018-11-18 10:20:57,475 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 10:20:57,624 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 38 [2018-11-18 10:20:57,861 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 37 [2018-11-18 10:20:58,029 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 38 [2018-11-18 10:20:58,136 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 37 [2018-11-18 10:20:58,534 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 37 [2018-11-18 10:20:58,663 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 38 [2018-11-18 10:20:59,187 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 37 [2018-11-18 10:20:59,626 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 37 [2018-11-18 10:21:00,001 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 46 [2018-11-18 10:21:00,104 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 12 [2018-11-18 10:21:00,434 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 37 [2018-11-18 10:21:00,636 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 37 [2018-11-18 10:21:00,858 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 37 [2018-11-18 10:21:01,152 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 37 [2018-11-18 10:21:01,462 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 45 [2018-11-18 10:21:01,646 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 38 [2018-11-18 10:21:01,971 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 12 [2018-11-18 10:21:02,189 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 37 [2018-11-18 10:21:02,608 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 12 [2018-11-18 10:21:02,715 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 37 [2018-11-18 10:21:02,832 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 37 [2018-11-18 10:21:02,992 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 37 [2018-11-18 10:21:03,409 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 38 [2018-11-18 10:21:03,799 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 37 [2018-11-18 10:21:03,915 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 37 [2018-11-18 10:21:04,205 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 45 [2018-11-18 10:21:04,413 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 10:21:04,415 INFO L579 CodeCheckObserver]: Invariant with dag size 12 [2018-11-18 10:21:04,420 INFO L579 CodeCheckObserver]: Invariant with dag size 12 [2018-11-18 10:21:04,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 10:21:04 ImpRootNode [2018-11-18 10:21:04,421 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 10:21:04,421 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:21:04,421 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:21:04,421 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:21:04,422 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:19:22" (3/4) ... [2018-11-18 10:21:04,425 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:21:04,440 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-11-18 10:21:04,440 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 10:21:04,441 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-18 10:21:04,443 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 10:21:04,516 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_eb5377b4-4a0a-405b-8715-fb4582876110/bin-2019/ukojak/witness.graphml [2018-11-18 10:21:04,516 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:21:04,517 INFO L168 Benchmark]: Toolchain (without parser) took 103679.83 ms. Allocated memory was 1.0 GB in the beginning and 3.4 GB in the end (delta: 2.4 GB). Free memory was 956.4 MB in the beginning and 2.3 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-11-18 10:21:04,517 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:21:04,517 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.02 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 921.4 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:21:04,518 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 921.4 MB in the beginning and 1.2 GB in the end (delta: -236.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:21:04,518 INFO L168 Benchmark]: Boogie Preprocessor took 44.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:21:04,518 INFO L168 Benchmark]: RCFGBuilder took 1440.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 910.1 MB in the end (delta: 241.0 MB). Peak memory consumption was 241.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:21:04,518 INFO L168 Benchmark]: CodeCheck took 101621.15 ms. Allocated memory was 1.2 GB in the beginning and 3.4 GB in the end (delta: 2.3 GB). Free memory was 910.1 MB in the beginning and 2.3 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. [2018-11-18 10:21:04,518 INFO L168 Benchmark]: Witness Printer took 94.93 ms. Allocated memory is still 3.4 GB. Free memory is still 2.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:21:04,520 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, 94.5s OverallTime, 140 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1574224 SDtfs, -433380720 SDslu, 1220556416 SDs, 0 SdLazy, -1819142008 SolverSat, -1834074224 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 572.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 167958 GetRequests, 164105 SyntacticMatches, 2671 SemanticMatches, 1182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1042409 ImplicationChecksByTransitivity, 76.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 25473 NumberOfCodeBlocks, 25473 NumberOfCodeBlocksAsserted, 139 NumberOfCheckSat, 25334 ConstructedInterpolants, 0 QuantifiedInterpolants, 18125710 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 139 InterpolantComputations, 106 PerfectInterpolantSequences, 21874/22098 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: 571]: 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 || !(a19 == 1)) || !(a28 == 9) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (a17 == 8 || !(a19 == 1)) || !(a28 == 9) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 367.02 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 921.4 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 108.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 921.4 MB in the beginning and 1.2 GB in the end (delta: -236.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1440.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 910.1 MB in the end (delta: 241.0 MB). Peak memory consumption was 241.0 MB. Max. memory is 11.5 GB. * CodeCheck took 101621.15 ms. Allocated memory was 1.2 GB in the beginning and 3.4 GB in the end (delta: 2.3 GB). Free memory was 910.1 MB in the beginning and 2.3 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. * Witness Printer took 94.93 ms. Allocated memory is still 3.4 GB. Free memory is still 2.3 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...